IPv4Range.psm1
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function Convert-IPtoInt32 () { param ( [parameter(Mandatory=$true)] [ipaddress]$ip ) $octets = ([string]($ip)).split(".") return [uint32]([uint32]$octets[0] * 16777216 + [uint32]$octets[1] * 65536 + [uint32]$octets[2] * 256 + [uint32]$octets[3]) } function Convert-Int32toIP() { param ( [parameter(Mandatory=$true)] [uint32]$int ) return (([math]::truncate($int / 16777216)).tostring() + "." + ([math]::truncate(($int % 16777216) / 65536)).tostring() + "." + ([math]::truncate(($int % 65536) / 256)).tostring() + "." + ([math]::truncate($int % 256)).tostring() ) } function Get-IPv4Range { <# .SYNOPSIS Get the IP addresses in a range .EXAMPLE Get-IPrange -start 192.168.8.2 -end 192.168.8.20 .EXAMPLE Get-IPrange -IPv4Address 192.168.8.2 -NetMask 255.255.255.0 .EXAMPLE Get-IPrange -IPv4Address 192.168.8.3 -CIDRMask 24 -Addressable #> [CmdletBinding(DefaultParameterSetName='mask')] param ( [Parameter(Mandatory=$true, ParameterSetName='range')] [ipaddress]$Start, [Parameter(Mandatory=$true, ParameterSetName='range')] [ipaddress]$End, [Parameter(Mandatory=$true, ParameterSetName='mask', Position=0)] [Parameter(Mandatory=$true, ParameterSetName='cidr', Position=0)] [ipaddress]$IPv4Address, [Parameter(ParameterSetName='mask')] [ipaddress]$NetMask = '255.255.255.0', [ValidateRange(0,32)] [Parameter(ParameterSetName='cidr')] [uint32]$CIDRMask = 24, [switch]$Addressable ) Switch -Regex ($PSCmdlet.ParameterSetName) { 'mask|cidr' { $ipaddr = [Net.IPAddress]::Parse($IPv4Address) if ($PSCmdlet.ParameterSetName -eq 'cidr') { $maskaddr = [Net.IPAddress]::Parse((Convert-Int32toIP -int ([convert]::ToInt64(("1" * $CIDRMask + "0" * (32 - $CIDRMask)), 2)))) } else { $maskaddr = [Net.IPAddress]::Parse($NetMask) } $networkaddr = New-Object net.ipaddress ($maskaddr.address -band $ipaddr.address) $broadcastaddr = New-Object net.ipaddress (([system.net.ipaddress]::parse("255.255.255.255").address -bxor $maskaddr.address -bor $networkaddr.address)) $startaddr = Convert-IPtoInt32 -ip $networkaddr.ipaddresstostring $endaddr = Convert-IPtoInt32 -ip $broadcastaddr.ipaddresstostring } 'range' { $startaddr = Convert-IPtoInt32 -ip $Start $endaddr = Convert-IPtoInt32 -ip $End } } if ($Addressable) { $startaddr++ $endaddr-- } for ($i = $startaddr; $i -le $endaddr; $i++) { Convert-Int32toIP -int $i } } function Get-IPv4Info { [CmdletBinding()] param( [parameter(Mandatory=$true)] [ipaddress]$IPAddress ) $networks = @( [PSCustomObject] @{end=167772159; Class='A'; Type='Public'; IPStart='0.0.0.0'; IPEnd='126.255.255.255'}, # 0.0.0.0 - 9.255.255.255 [PSCustomObject] @{end=184549375; Class='A'; Type='Private'; IPStart='10.0.0.0'; IPEnd='10.255.255.255'}, # 10.0.0.0/8 [PSCustomObject] @{end=2130706431; Class='A'; Type='Public'; IPStart='0.0.0.0'; IPEnd='126.255.255.255'}, # 11.0.0.0 - 126.255.255.255 [PSCustomObject] @{end=2147483647; Class='-'; Type='Localhost'; IPStart='127.0.0.0'; IPEnd='127.255.255.255'}, # 127.0.0.0/8 [PSCustomObject] @{end=2886729727; Class='B'; Type='Public'; IPStart='128.0.0.0'; IPEnd='191.255.255.255'}, # 128.0.0.0 - 172.15.255.255 [PSCustomObject] @{end=2887778303; Class='B'; Type='Private'; IPStart='172.16.0.0'; IPEnd='172.31.255.255'}, # 172.16.0.0/12 [PSCustomObject] @{end=3221225471; Class='B'; Type='Public'; IPStart='128.0.0.0'; IPEnd='191.255.255.255'}, # 172.32.0.0 - 191.255.255.255 [PSCustomObject] @{end=3232235519; Class='C'; Type='Public'; IPStart='192.0.0.0'; IPEnd='223.255.255.255'}, # 192.0.0.0 - 192.167.255.255 [PSCustomObject] @{end=3232301055; Class='C'; Type='Private'; IPStart='192.168.0.0'; IPEnd='192.168.255.255'}, # 192.168.0.0/16 [PSCustomObject] @{end=3758096383; Class='C'; Type='Public'; IPStart='192.0.0.0'; IPEnd='223.255.255.255'}, # 192.169.0.0 - 223.255.255.255 [PSCustomObject] @{end=4026531839; Class='D'; Type='Multicast'; IPStart='224.0.0.0'; IPEnd='239.255.255.255'}, # 224.0.0.0 - 239.255.255.255 [PSCustomObject] @{end=4294967295; Class='E'; Type='Reserved'; IPStart='240.0.0.0'; IPEnd='255.255.255.255'} # 240.0.0.0 - 255.255.255.255 ) $ip = Convert-IPtoInt32 $IPAddress $net = $networks | Where-Object end -ge $ip | Select-Object -First 1 | Select-Object Class,Type,IpStart,IPEnd $net | Add-Member -Name IPAddress -Value $IPAddress -MemberType NoteProperty return $net } New-Alias -Name gir -Value Get-IPv4Range |