New-IPRange.ps1
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function New-IPRange { <# .SYNOPSIS Returns an array of IP Addresses based on a start and end address .DESCRIPTION Returns an array of IP Addresses based on a start and end address .PARAMETER Start Starting IP Address .PARAMETER End Ending IP Address .PARAMETER Exclude Exclude addresses with this final octet Default excludes 0, 1, and 255 e.g. 5 excludes *.*.*.5 .EXAMPLE New-IPRange -Start 192.168.1.5 -End 192.168.20.254 Create an array from 192.168.1.5 to 192.168.20.254, excluding *.*.*.[0,1,255] (default exclusion) .NOTES Source: Dr. Tobias Weltner, http://powershell.com/cs/media/p/9437.aspx .FUNCTIONALITY Network #> [cmdletbinding()] param ( [parameter( Mandatory = $true, Position = 0 )] [System.Net.IPAddress]$Start, [parameter( Mandatory = $true, Position = 1)] [System.Net.IPAddress]$End, [int[]]$Exclude = @( 0, 1, 255 ) ) #Provide verbose output. Some oddities behind casting certain strings to IP. #Example: [ipaddress]"192.168.20500" Write-Verbose "Parsed Start as '$Start', End as '$End'" $ip1 = $start.GetAddressBytes() [Array]::Reverse($ip1) $ip1 = ([System.Net.IPAddress]($ip1 -join '.')).Address $ip2 = ($end).GetAddressBytes() [Array]::Reverse($ip2) $ip2 = ([System.Net.IPAddress]($ip2 -join '.')).Address for ($x=$ip1; $x -le $ip2; $x++) { $ip = ([System.Net.IPAddress]$x).GetAddressBytes() [Array]::Reverse($ip) if($Exclude -notcontains $ip[3]) { $ip -join '.' } } } |