diff --git a/Functions/IPAM/IPAM.ps1 b/Functions/IPAM/IPAM.ps1
index 34c354a..4a79fe0 100644
--- a/Functions/IPAM/IPAM.ps1
+++ b/Functions/IPAM/IPAM.ps1
@@ -113,6 +113,10 @@ function VerifyIPAMChoices {
     
     $ValidValues = New-Object System.Collections.ArrayList
     
+    if (-not $script:NetboxConfig.Choices.IPAM.$($PSCmdlet.ParameterSetName)) {
+        throw "Missing choices for $($PSCmdlet.ParameterSetName)"
+    }
+    
     [void]$ValidValues.AddRange($script:NetboxConfig.Choices.IPAM.$($PSCmdlet.ParameterSetName).value)
     [void]$ValidValues.AddRange($script:NetboxConfig.Choices.IPAM.$($PSCmdlet.ParameterSetName).label)
     
@@ -274,7 +278,7 @@ function Get-NetboxIPAMAddress {
     InvokeNetboxRequest -URI $uri -Raw:$Raw
 }
 
-function Get-NetboxIPAMAvaiableIP {
+function Get-NetboxIPAMAvailableIP {
 <#
     .SYNOPSIS
         A convenience method for returning available IP addresses within a prefix
@@ -289,6 +293,9 @@ function Get-NetboxIPAMAvaiableIP {
     .PARAMETER NumberOfIPs
         A description of the NumberOfIPs parameter.
     
+    .PARAMETER Raw
+        A description of the Raw parameter.
+    
     .EXAMPLE
         PS C:\> Get-NetboxIPAMAvaiableIP -Prefix_ID $value1
     
@@ -302,6 +309,7 @@ function Get-NetboxIPAMAvaiableIP {
         [Parameter(Mandatory = $true)]
         [uint16]$Prefix_ID,
         
+        [Alias('Limit')]
         [uint16]$NumberOfIPs,
         
         [switch]$Raw
@@ -321,6 +329,86 @@ function Get-NetboxIPAMAvaiableIP {
 }
 
 function Get-NetboxIPAMPrefix {
+<#
+    .SYNOPSIS
+        A brief description of the Get-NetboxIPAMPrefix function.
+    
+    .DESCRIPTION
+        A detailed description of the Get-NetboxIPAMPrefix function.
+    
+    .PARAMETER Limit
+        A description of the Limit parameter.
+    
+    .PARAMETER Offset
+        A description of the Offset parameter.
+    
+    .PARAMETER Family
+        A description of the Family parameter.
+    
+    .PARAMETER Is_Pool
+        A description of the Is_Pool parameter.
+    
+    .PARAMETER Id
+        A description of the Id parameter.
+    
+    .PARAMETER Query
+        A description of the Query parameter.
+    
+    .PARAMETER Within
+        Should be a CIDR notation prefix such as '10.0.0.0/16'
+    
+    .PARAMETER Within_Include
+        Should be a CIDR notation prefix such as '10.0.0.0/16'
+    
+    .PARAMETER Contains
+        A description of the Contains parameter.
+    
+    .PARAMETER Mask_Length
+        CIDR mask length value
+    
+    .PARAMETER VRF
+        A description of the VRF parameter.
+    
+    .PARAMETER VRF_Id
+        A description of the VRF_Id parameter.
+    
+    .PARAMETER Tenant
+        A description of the Tenant parameter.
+    
+    .PARAMETER Tenant_Id
+        A description of the Tenant_Id parameter.
+    
+    .PARAMETER Site
+        A description of the Site parameter.
+    
+    .PARAMETER Site_Id
+        A description of the Site_Id parameter.
+    
+    .PARAMETER Vlan_VId
+        A description of the Vlan_VId parameter.
+    
+    .PARAMETER Vlan_Id
+        A description of the Vlan_Id parameter.
+    
+    .PARAMETER Status
+        A description of the Status parameter.
+    
+    .PARAMETER Role
+        A description of the Role parameter.
+    
+    .PARAMETER Role_Id
+        A description of the Role_Id parameter.
+    
+    .PARAMETER Raw
+        A description of the Raw parameter.
+    
+    .EXAMPLE
+        		PS C:\> Get-NetboxIPAMPrefix
+    
+    .NOTES
+        Additional information about the function.
+#>
+    
     [CmdletBinding()]
     param
     (
@@ -330,16 +418,19 @@ function Get-NetboxIPAMPrefix {
         
         [object]$Family,
         
+        [boolean]$Is_Pool,
+        
         [uint16[]]$Id,
         
         [string]$Query,
         
-        #[string]$Within,
-
-        #[string]$Within_Include,
-
+        [string]$Within,
+        
+        [string]$Within_Include,
+        
         [string]$Contains,
         
+        [ValidateRange(0, 127)]
         [byte]$Mask_Length,
         
         [string]$VRF,
@@ -377,7 +468,8 @@ function Get-NetboxIPAMPrefix {
     
     $uriSegments = [System.Collections.ArrayList]::new(@('ipam', 'prefixes'))
     
-    $URIParameters = @{}
+    $URIParameters = @{
+    }
     
     foreach ($CmdletParameterName in $PSBoundParameters.Keys) {
         if ($CmdletParameterName -in $CommonParameterNames) {
diff --git a/Staging/NetboxPS.psm1 b/Staging/NetboxPS.psm1
index 2787b1c..4e5c1d3 100644
--- a/Staging/NetboxPS.psm1
+++ b/Staging/NetboxPS.psm1
@@ -2,7 +2,7 @@
     .NOTES
     --------------------------------------------------------------------------------
      Code generated by:  SAPIEN Technologies, Inc., PowerShell Studio 2018 v5.5.150
-     Generated on:       5/11/2018 3:48 PM
+     Generated on:       5/11/2018 4:30 PM
      Generated by:       Ben Claussen
      Organization:       NEOnet
     --------------------------------------------------------------------------------
@@ -13,16 +13,16 @@
 
 #region Invoke-Helpers_ps1
 	<#	
-		.NOTES
-		===========================================================================
+	    .NOTES
+	    ===========================================================================
 	     Created with: 	SAPIEN Technologies, Inc., PowerShell Studio 2018 v5.5.148
-		 Created on:   	2/28/2018 3:33 PM
-		 Created by:   	Ben Claussen
-		 Organization: 	NEOnet
-		 Filename:     	Helpers.ps1
-		===========================================================================
-		.DESCRIPTION
-			These function are internal functions and generally are not
+	     Created on:   	2/28/2018 3:33 PM
+	     Created by:   	Ben Claussen
+	     Organization: 	NEOnet
+	     Filename:     	Helpers.ps1
+	    ===========================================================================
+	    .DESCRIPTION
+	    	These function are internal functions and generally are not
 	        exposed to the end user
 	#>
 	
@@ -885,8 +885,7 @@
 	    
 	    $uriSegments = [System.Collections.ArrayList]::new(@('virtualization', 'interfaces'))
 	    
-	    $URIParameters = @{
-	    }
+	    $URIParameters = @{}
 	    
 	    foreach ($CmdletParameterName in $PSBoundParameters.Keys) {
 	        if ($CmdletParameterName -in $CommonParameterNames) {
@@ -1284,6 +1283,10 @@
 	    
 	    $ValidValues = New-Object System.Collections.ArrayList
 	    
+	    if (-not $script:NetboxConfig.Choices.IPAM.$($PSCmdlet.ParameterSetName)) {
+	        throw "Missing choices for $($PSCmdlet.ParameterSetName)"
+	    }
+	    
 	    [void]$ValidValues.AddRange($script:NetboxConfig.Choices.IPAM.$($PSCmdlet.ParameterSetName).value)
 	    [void]$ValidValues.AddRange($script:NetboxConfig.Choices.IPAM.$($PSCmdlet.ParameterSetName).label)
 	    
@@ -1445,7 +1448,7 @@
 	    InvokeNetboxRequest -URI $uri -Raw:$Raw
 	}
 	
-	function Get-NetboxIPAMAvaiableIP {
+	function Get-NetboxIPAMAvailableIP {
 	<#
 	    .SYNOPSIS
 	        A convenience method for returning available IP addresses within a prefix
@@ -1460,6 +1463,9 @@
 	    .PARAMETER NumberOfIPs
 	        A description of the NumberOfIPs parameter.
 	    
+	    .PARAMETER Raw
+	        A description of the Raw parameter.
+	    
 	    .EXAMPLE
 	        PS C:\> Get-NetboxIPAMAvaiableIP -Prefix_ID $value1
 	    
@@ -1473,6 +1479,7 @@
 	        [Parameter(Mandatory = $true)]
 	        [uint16]$Prefix_ID,
 	        
+	        [Alias('Limit')]
 	        [uint16]$NumberOfIPs,
 	        
 	        [switch]$Raw
@@ -1492,6 +1499,86 @@
 	}
 	
 	function Get-NetboxIPAMPrefix {
+	<#
+	    .SYNOPSIS
+	        A brief description of the Get-NetboxIPAMPrefix function.
+	    
+	    .DESCRIPTION
+	        A detailed description of the Get-NetboxIPAMPrefix function.
+	    
+	    .PARAMETER Limit
+	        A description of the Limit parameter.
+	    
+	    .PARAMETER Offset
+	        A description of the Offset parameter.
+	    
+	    .PARAMETER Family
+	        A description of the Family parameter.
+	    
+	    .PARAMETER Is_Pool
+	        A description of the Is_Pool parameter.
+	    
+	    .PARAMETER Id
+	        A description of the Id parameter.
+	    
+	    .PARAMETER Query
+	        A description of the Query parameter.
+	    
+	    .PARAMETER Within
+	        Should be a CIDR notation prefix such as '10.0.0.0/16'
+	    
+	    .PARAMETER Within_Include
+	        Should be a CIDR notation prefix such as '10.0.0.0/16'
+	    
+	    .PARAMETER Contains
+	        A description of the Contains parameter.
+	    
+	    .PARAMETER Mask_Length
+	        CIDR mask length value
+	    
+	    .PARAMETER VRF
+	        A description of the VRF parameter.
+	    
+	    .PARAMETER VRF_Id
+	        A description of the VRF_Id parameter.
+	    
+	    .PARAMETER Tenant
+	        A description of the Tenant parameter.
+	    
+	    .PARAMETER Tenant_Id
+	        A description of the Tenant_Id parameter.
+	    
+	    .PARAMETER Site
+	        A description of the Site parameter.
+	    
+	    .PARAMETER Site_Id
+	        A description of the Site_Id parameter.
+	    
+	    .PARAMETER Vlan_VId
+	        A description of the Vlan_VId parameter.
+	    
+	    .PARAMETER Vlan_Id
+	        A description of the Vlan_Id parameter.
+	    
+	    .PARAMETER Status
+	        A description of the Status parameter.
+	    
+	    .PARAMETER Role
+	        A description of the Role parameter.
+	    
+	    .PARAMETER Role_Id
+	        A description of the Role_Id parameter.
+	    
+	    .PARAMETER Raw
+	        A description of the Raw parameter.
+	    
+	    .EXAMPLE
+	        		PS C:\> Get-NetboxIPAMPrefix
+	    
+	    .NOTES
+	        Additional information about the function.
+	#>
+	    
 	    [CmdletBinding()]
 	    param
 	    (
@@ -1501,16 +1588,19 @@
 	        
 	        [object]$Family,
 	        
+	        [boolean]$Is_Pool,
+	        
 	        [uint16[]]$Id,
 	        
 	        [string]$Query,
 	        
-	        #[string]$Within,
-	
-	        #[string]$Within_Include,
-	
+	        [string]$Within,
+	        
+	        [string]$Within_Include,
+	        
 	        [string]$Contains,
 	        
+	        [ValidateRange(0, 127)]
 	        [byte]$Mask_Length,
 	        
 	        [string]$VRF,
@@ -1548,7 +1638,8 @@
 	    
 	    $uriSegments = [System.Collections.ArrayList]::new(@('ipam', 'prefixes'))
 	    
-	    $URIParameters = @{}
+	    $URIParameters = @{
+	    }
 	    
 	    foreach ($CmdletParameterName in $PSBoundParameters.Keys) {
 	        if ($CmdletParameterName -in $CommonParameterNames) {
diff --git a/Staging/Tests/IPAM.Tests.ps1 b/Staging/Tests/IPAM.Tests.ps1
index ddcf174..ef9b994 100644
--- a/Staging/Tests/IPAM.Tests.ps1
+++ b/Staging/Tests/IPAM.Tests.ps1
@@ -56,6 +56,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/aggregates/'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with limit and offset" {
@@ -66,6 +67,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/aggregates/?offset=12&limit=10'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with a query" {
@@ -76,6 +78,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/aggregates/?q=10.10.0.0'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with an escaped query" {
@@ -86,6 +89,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/aggregates/?q=my+aggregate'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with a single ID" {
@@ -96,6 +100,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/aggregates/10/'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with multiple IDs" {
@@ -106,6 +111,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/aggregates/?id__in=10,12,15'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
         }
         
@@ -118,6 +124,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/ip-addresses/'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with limit and offset" {
@@ -128,6 +135,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/ip-addresses/?offset=12&limit=10'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with a query" {
@@ -138,6 +146,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/ip-addresses/?q=10.10.10.10'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with an escaped query" {
@@ -148,6 +157,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/ip-addresses/?q=my+ip+address'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with a single ID" {
@@ -158,6 +168,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/ip-addresses/10/'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with multiple IDs" {
@@ -168,6 +179,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/ip-addresses/?id__in=10,12,15'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             #region TODO: Figure out how to mock/test Verification appropriately...
@@ -197,8 +209,140 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
             #endregion
         }
         
-        Context -Name "Get-NetboxIPAMPrefix" {
+        Context -Name "Get-NetboxIPAMAvailableIP" -Fixture {
+            It "Should request the default number of available IPs" {
+                $Result = Get-NetboxIPAMAvailableIP -Prefix_Id 10
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/10/available-ips/'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
             
+            It "Should request 10 available IPs" {
+                $Result = Get-NetboxIPAMAvailableIP -Prefix_Id 1504 -NumberOfIPs 10
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/1504/available-ips/?limit=10'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+        }
+        
+        Context -Name "Get-NetboxIPAMPrefix" {
+            It "Should request the default number of prefixes" {
+                $Result = Get-NetboxIPAMPrefix
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            It "Should request with limit and offset" {
+                $Result = Get-NetboxIPAMPrefix -Limit 10 -Offset 12
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/?offset=12&limit=10'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            It "Should request with a query" {
+                $Result = Get-NetboxIPAMPrefix -Query '10.10.10.10'
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/?q=10.10.10.10'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            It "Should request with an escaped query" {
+                $Result = Get-NetboxIPAMPrefix -Query 'my ip address'
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/?q=my+ip+address'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            It "Should request with a single ID" {
+                $Result = Get-NetboxIPAMPrefix -Id 10
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/10/'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            It "Should request with multiple IDs" {
+                $Result = Get-NetboxIPAMPrefix -Id 10, 12, 15
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/?id__in=10,12,15'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            It "Should request with VLAN vID" {
+                $Result = Get-NetboxIPAMPrefix -VLAN_VID 10
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/?vlan_vid=10'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            <#
+            It "Should request with family of 4" {
+                Mock -CommandName "VerifyIPAMChoices" -ModuleName 'NetboxPS' -MockWith {
+                    return 4
+                } -Verifiable
+                $Result = Get-NetboxIPAMPrefix -Family 4
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/?family=4'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            #>
+            
+            It "Should request with mask length 24" {
+                $Result = Get-NetboxIPAMPrefix -Mask_length 24
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/?mask_length=24'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            It "Should throw because the mask length is too large" {
+                {
+                    Get-NetboxIPAMPrefix -Mask_length 128
+                } | Should -Throw
+            }
         }
     }
 }
diff --git a/Tests/IPAM.Tests.ps1 b/Tests/IPAM.Tests.ps1
index ddcf174..8ec8aa6 100644
--- a/Tests/IPAM.Tests.ps1
+++ b/Tests/IPAM.Tests.ps1
@@ -56,6 +56,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/aggregates/'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with limit and offset" {
@@ -66,6 +67,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/aggregates/?offset=12&limit=10'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with a query" {
@@ -76,6 +78,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/aggregates/?q=10.10.0.0'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with an escaped query" {
@@ -86,6 +89,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/aggregates/?q=my+aggregate'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with a single ID" {
@@ -96,6 +100,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/aggregates/10/'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with multiple IDs" {
@@ -106,6 +111,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/aggregates/?id__in=10,12,15'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
         }
         
@@ -118,6 +124,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/ip-addresses/'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with limit and offset" {
@@ -128,6 +135,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/ip-addresses/?offset=12&limit=10'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with a query" {
@@ -138,6 +146,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/ip-addresses/?q=10.10.10.10'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with an escaped query" {
@@ -148,6 +157,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/ip-addresses/?q=my+ip+address'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with a single ID" {
@@ -158,6 +168,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/ip-addresses/10/'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with multiple IDs" {
@@ -168,6 +179,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/ip-addresses/?id__in=10,12,15'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             #region TODO: Figure out how to mock/test Verification appropriately...
@@ -197,8 +209,152 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
             #endregion
         }
         
-        Context -Name "Get-NetboxIPAMPrefix" {
+        Context -Name "Get-NetboxIPAMAvailableIP" -Fixture {
+            It "Should request the default number of available IPs" {
+                $Result = Get-NetboxIPAMAvailableIP -Prefix_Id 10
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/10/available-ips/'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
             
+            It "Should request 10 available IPs" {
+                $Result = Get-NetboxIPAMAvailableIP -Prefix_Id 1504 -NumberOfIPs 10
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/1504/available-ips/?limit=10'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+        }
+        
+        Context -Name "Get-NetboxIPAMPrefix" {
+            It "Should request the default number of prefixes" {
+                $Result = Get-NetboxIPAMPrefix
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            It "Should request with limit and offset" {
+                $Result = Get-NetboxIPAMPrefix -Limit 10 -Offset 12
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/?offset=12&limit=10'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            It "Should request with a query" {
+                $Result = Get-NetboxIPAMPrefix -Query '10.10.10.10'
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/?q=10.10.10.10'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            It "Should request with an escaped query" {
+                $Result = Get-NetboxIPAMPrefix -Query 'my ip address'
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/?q=my+ip+address'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            It "Should request with a single ID" {
+                $Result = Get-NetboxIPAMPrefix -Id 10
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/10/'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            It "Should request with multiple IDs" {
+                $Result = Get-NetboxIPAMPrefix -Id 10, 12, 15
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/?id__in=10,12,15'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            It "Should request with VLAN vID" {
+                $Result = Get-NetboxIPAMPrefix -VLAN_VID 10
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/?vlan_vid=10'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            <#
+            It "Should request with family of 4" {
+                Mock -CommandName "VerifyIPAMChoices" -ModuleName 'NetboxPS' -MockWith {
+                    return 4
+                } -Verifiable
+                $Result = Get-NetboxIPAMPrefix -Family 4
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/?family=4'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            #>
+            
+            It "Should throw because the mask length is too large" {
+                {
+                    Get-NetboxIPAMPrefix -Mask_length 128
+                } | Should -Throw
+            }
+            
+            It "Should throw because the mask length is too small" {
+                {
+                    Get-NetboxIPAMPrefix -Mask_length -1
+                } | Should -Throw
+            }
+            
+            It "Should not throw because the mask length is just right" {
+                {
+                    Get-NetboxIPAMPrefix -Mask_length 24
+                } | Should -Not -Throw
+            }
+            
+            It "Should request with mask length 24" {
+                $Result = Get-NetboxIPAMPrefix -Mask_length 24
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/?mask_length=24'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
         }
     }
 }
diff --git a/dist/NetboxPS.psm1 b/dist/NetboxPS.psm1
index 2787b1c..4e5c1d3 100644
--- a/dist/NetboxPS.psm1
+++ b/dist/NetboxPS.psm1
@@ -2,7 +2,7 @@
     .NOTES
     --------------------------------------------------------------------------------
      Code generated by:  SAPIEN Technologies, Inc., PowerShell Studio 2018 v5.5.150
-     Generated on:       5/11/2018 3:48 PM
+     Generated on:       5/11/2018 4:30 PM
      Generated by:       Ben Claussen
      Organization:       NEOnet
     --------------------------------------------------------------------------------
@@ -13,16 +13,16 @@
 
 #region Invoke-Helpers_ps1
 	<#	
-		.NOTES
-		===========================================================================
+	    .NOTES
+	    ===========================================================================
 	     Created with: 	SAPIEN Technologies, Inc., PowerShell Studio 2018 v5.5.148
-		 Created on:   	2/28/2018 3:33 PM
-		 Created by:   	Ben Claussen
-		 Organization: 	NEOnet
-		 Filename:     	Helpers.ps1
-		===========================================================================
-		.DESCRIPTION
-			These function are internal functions and generally are not
+	     Created on:   	2/28/2018 3:33 PM
+	     Created by:   	Ben Claussen
+	     Organization: 	NEOnet
+	     Filename:     	Helpers.ps1
+	    ===========================================================================
+	    .DESCRIPTION
+	    	These function are internal functions and generally are not
 	        exposed to the end user
 	#>
 	
@@ -885,8 +885,7 @@
 	    
 	    $uriSegments = [System.Collections.ArrayList]::new(@('virtualization', 'interfaces'))
 	    
-	    $URIParameters = @{
-	    }
+	    $URIParameters = @{}
 	    
 	    foreach ($CmdletParameterName in $PSBoundParameters.Keys) {
 	        if ($CmdletParameterName -in $CommonParameterNames) {
@@ -1284,6 +1283,10 @@
 	    
 	    $ValidValues = New-Object System.Collections.ArrayList
 	    
+	    if (-not $script:NetboxConfig.Choices.IPAM.$($PSCmdlet.ParameterSetName)) {
+	        throw "Missing choices for $($PSCmdlet.ParameterSetName)"
+	    }
+	    
 	    [void]$ValidValues.AddRange($script:NetboxConfig.Choices.IPAM.$($PSCmdlet.ParameterSetName).value)
 	    [void]$ValidValues.AddRange($script:NetboxConfig.Choices.IPAM.$($PSCmdlet.ParameterSetName).label)
 	    
@@ -1445,7 +1448,7 @@
 	    InvokeNetboxRequest -URI $uri -Raw:$Raw
 	}
 	
-	function Get-NetboxIPAMAvaiableIP {
+	function Get-NetboxIPAMAvailableIP {
 	<#
 	    .SYNOPSIS
 	        A convenience method for returning available IP addresses within a prefix
@@ -1460,6 +1463,9 @@
 	    .PARAMETER NumberOfIPs
 	        A description of the NumberOfIPs parameter.
 	    
+	    .PARAMETER Raw
+	        A description of the Raw parameter.
+	    
 	    .EXAMPLE
 	        PS C:\> Get-NetboxIPAMAvaiableIP -Prefix_ID $value1
 	    
@@ -1473,6 +1479,7 @@
 	        [Parameter(Mandatory = $true)]
 	        [uint16]$Prefix_ID,
 	        
+	        [Alias('Limit')]
 	        [uint16]$NumberOfIPs,
 	        
 	        [switch]$Raw
@@ -1492,6 +1499,86 @@
 	}
 	
 	function Get-NetboxIPAMPrefix {
+	<#
+	    .SYNOPSIS
+	        A brief description of the Get-NetboxIPAMPrefix function.
+	    
+	    .DESCRIPTION
+	        A detailed description of the Get-NetboxIPAMPrefix function.
+	    
+	    .PARAMETER Limit
+	        A description of the Limit parameter.
+	    
+	    .PARAMETER Offset
+	        A description of the Offset parameter.
+	    
+	    .PARAMETER Family
+	        A description of the Family parameter.
+	    
+	    .PARAMETER Is_Pool
+	        A description of the Is_Pool parameter.
+	    
+	    .PARAMETER Id
+	        A description of the Id parameter.
+	    
+	    .PARAMETER Query
+	        A description of the Query parameter.
+	    
+	    .PARAMETER Within
+	        Should be a CIDR notation prefix such as '10.0.0.0/16'
+	    
+	    .PARAMETER Within_Include
+	        Should be a CIDR notation prefix such as '10.0.0.0/16'
+	    
+	    .PARAMETER Contains
+	        A description of the Contains parameter.
+	    
+	    .PARAMETER Mask_Length
+	        CIDR mask length value
+	    
+	    .PARAMETER VRF
+	        A description of the VRF parameter.
+	    
+	    .PARAMETER VRF_Id
+	        A description of the VRF_Id parameter.
+	    
+	    .PARAMETER Tenant
+	        A description of the Tenant parameter.
+	    
+	    .PARAMETER Tenant_Id
+	        A description of the Tenant_Id parameter.
+	    
+	    .PARAMETER Site
+	        A description of the Site parameter.
+	    
+	    .PARAMETER Site_Id
+	        A description of the Site_Id parameter.
+	    
+	    .PARAMETER Vlan_VId
+	        A description of the Vlan_VId parameter.
+	    
+	    .PARAMETER Vlan_Id
+	        A description of the Vlan_Id parameter.
+	    
+	    .PARAMETER Status
+	        A description of the Status parameter.
+	    
+	    .PARAMETER Role
+	        A description of the Role parameter.
+	    
+	    .PARAMETER Role_Id
+	        A description of the Role_Id parameter.
+	    
+	    .PARAMETER Raw
+	        A description of the Raw parameter.
+	    
+	    .EXAMPLE
+	        		PS C:\> Get-NetboxIPAMPrefix
+	    
+	    .NOTES
+	        Additional information about the function.
+	#>
+	    
 	    [CmdletBinding()]
 	    param
 	    (
@@ -1501,16 +1588,19 @@
 	        
 	        [object]$Family,
 	        
+	        [boolean]$Is_Pool,
+	        
 	        [uint16[]]$Id,
 	        
 	        [string]$Query,
 	        
-	        #[string]$Within,
-	
-	        #[string]$Within_Include,
-	
+	        [string]$Within,
+	        
+	        [string]$Within_Include,
+	        
 	        [string]$Contains,
 	        
+	        [ValidateRange(0, 127)]
 	        [byte]$Mask_Length,
 	        
 	        [string]$VRF,
@@ -1548,7 +1638,8 @@
 	    
 	    $uriSegments = [System.Collections.ArrayList]::new(@('ipam', 'prefixes'))
 	    
-	    $URIParameters = @{}
+	    $URIParameters = @{
+	    }
 	    
 	    foreach ($CmdletParameterName in $PSBoundParameters.Keys) {
 	        if ($CmdletParameterName -in $CommonParameterNames) {
diff --git a/dist/Tests/IPAM.Tests.ps1 b/dist/Tests/IPAM.Tests.ps1
index ddcf174..ef9b994 100644
--- a/dist/Tests/IPAM.Tests.ps1
+++ b/dist/Tests/IPAM.Tests.ps1
@@ -56,6 +56,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/aggregates/'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with limit and offset" {
@@ -66,6 +67,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/aggregates/?offset=12&limit=10'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with a query" {
@@ -76,6 +78,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/aggregates/?q=10.10.0.0'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with an escaped query" {
@@ -86,6 +89,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/aggregates/?q=my+aggregate'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with a single ID" {
@@ -96,6 +100,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/aggregates/10/'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with multiple IDs" {
@@ -106,6 +111,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/aggregates/?id__in=10,12,15'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
         }
         
@@ -118,6 +124,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/ip-addresses/'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with limit and offset" {
@@ -128,6 +135,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/ip-addresses/?offset=12&limit=10'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with a query" {
@@ -138,6 +146,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/ip-addresses/?q=10.10.10.10'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with an escaped query" {
@@ -148,6 +157,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/ip-addresses/?q=my+ip+address'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with a single ID" {
@@ -158,6 +168,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/ip-addresses/10/'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             It "Should request with multiple IDs" {
@@ -168,6 +179,7 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
                 $Result.Method | Should -Be 'GET'
                 $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/ip-addresses/?id__in=10,12,15'
                 $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
             }
             
             #region TODO: Figure out how to mock/test Verification appropriately...
@@ -197,8 +209,140 @@ Describe -Name "IPAM tests" -Tag 'Ipam' -Fixture {
             #endregion
         }
         
-        Context -Name "Get-NetboxIPAMPrefix" {
+        Context -Name "Get-NetboxIPAMAvailableIP" -Fixture {
+            It "Should request the default number of available IPs" {
+                $Result = Get-NetboxIPAMAvailableIP -Prefix_Id 10
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/10/available-ips/'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
             
+            It "Should request 10 available IPs" {
+                $Result = Get-NetboxIPAMAvailableIP -Prefix_Id 1504 -NumberOfIPs 10
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/1504/available-ips/?limit=10'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+        }
+        
+        Context -Name "Get-NetboxIPAMPrefix" {
+            It "Should request the default number of prefixes" {
+                $Result = Get-NetboxIPAMPrefix
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            It "Should request with limit and offset" {
+                $Result = Get-NetboxIPAMPrefix -Limit 10 -Offset 12
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/?offset=12&limit=10'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            It "Should request with a query" {
+                $Result = Get-NetboxIPAMPrefix -Query '10.10.10.10'
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/?q=10.10.10.10'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            It "Should request with an escaped query" {
+                $Result = Get-NetboxIPAMPrefix -Query 'my ip address'
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/?q=my+ip+address'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            It "Should request with a single ID" {
+                $Result = Get-NetboxIPAMPrefix -Id 10
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/10/'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            It "Should request with multiple IDs" {
+                $Result = Get-NetboxIPAMPrefix -Id 10, 12, 15
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/?id__in=10,12,15'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            It "Should request with VLAN vID" {
+                $Result = Get-NetboxIPAMPrefix -VLAN_VID 10
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/?vlan_vid=10'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            <#
+            It "Should request with family of 4" {
+                Mock -CommandName "VerifyIPAMChoices" -ModuleName 'NetboxPS' -MockWith {
+                    return 4
+                } -Verifiable
+                $Result = Get-NetboxIPAMPrefix -Family 4
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/?family=4'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            #>
+            
+            It "Should request with mask length 24" {
+                $Result = Get-NetboxIPAMPrefix -Mask_length 24
+                
+                Assert-VerifiableMock
+                
+                $Result.Method | Should -Be 'GET'
+                $Result.Uri | Should -Be 'https://netbox.domain.com/api/ipam/prefixes/?mask_length=24'
+                $Result.Headers.Keys.Count | Should -BeExactly 1
+                $Result.Headers.Authorization | Should -Be "Token faketoken"
+            }
+            
+            It "Should throw because the mask length is too large" {
+                {
+                    Get-NetboxIPAMPrefix -Mask_length 128
+                } | Should -Throw
+            }
         }
     }
 }