IP-Calc.ps1
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<#PSScriptInfo
.VERSION 3.1.0 .GUID cb059a0e-09b6-4756-8df4-28e997b9d97f .AUTHOR saw-friendship@yandex.ru .COMPANYNAME .COPYRIGHT .TAGS IP Subnet Calculator WildCard CIDR .LICENSEURI .PROJECTURI https://sawfriendship.wordpress.com/ .ICONURI .EXTERNALMODULEDEPENDENCIES .REQUIREDSCRIPTS .EXTERNALSCRIPTDEPENDENCIES .RELEASENOTES #> <# .DESCRIPTION IP Calculator for calculation IP Subnet .EXAMPLE IP-Calc -CIDR 192.168.0.0/24 IP : 192.168.0.0 Mask : 255.255.255.0 PrefixLength : 24 WildCard : 0.0.0.255 IPcount : 256 Subnet : 192.168.0.0 Broadcast : 192.168.0.255 CIDR : 192.168.0.0/24 ToDecimal : 3232235520 IPBin : 11000000.10101000.00000000.00000000 MaskBin : 11111111.11111111.11111111.00000000 SubnetBin : 11000000.10101000.00000000.00000000 BroadcastBin : 11000000.10101000.00000000.11111111 .EXAMPLE IP-Calc -IPAddress 192.168.0.0 -Mask 255.255.255.0 IP : 192.168.0.0 Mask : 255.255.255.0 PrefixLength : 24 WildCard : 0.0.0.255 IPcount : 256 Subnet : 192.168.0.0 Broadcast : 192.168.0.255 CIDR : 192.168.0.0/24 ToDecimal : 3232235520 IPBin : 11000000.10101000.00000000.00000000 MaskBin : 11111111.11111111.11111111.00000000 SubnetBin : 11000000.10101000.00000000.00000000 BroadcastBin : 11000000.10101000.00000000.11111111 .EXAMPLE IP-Calc -IPAddress 192.168.3.0 -PrefixLength 23 IP : 192.168.3.0 Mask : 255.255.254.0 PrefixLength : 23 WildCard : 0.0.1.255 IPcount : 512 Subnet : 192.168.2.0 Broadcast : 192.168.3.255 CIDR : 192.168.2.0/23 ToDecimal : 3232236288 IPBin : 11000000.10101000.00000011.00000000 MaskBin : 11111111.11111111.11111110.00000000 SubnetBin : 11000000.10101000.00000010.00000000 BroadcastBin : 11000000.10101000.00000011.11111111 .EXAMPLE (IP-Calc -IPAddress (IP-Calc 192.168.99.56/28).Subnet -PrefixLength 32).Add(1).IPAddress 192.168.99.49 .EXAMPLE (IP-Calc 192.168.99.56/28).Compare('192.168.99.50') True .EXAMPLE (IP-Calc 192.168.99.58/30).GetIPArray() 192.168.99.56 192.168.99.57 192.168.99.58 192.168.99.59 .EXAMPLE Get-NetRoute -AddressFamily IPv4 | ? {(IP-Calc -CIDR $_.DestinationPrefix).Compare('8.8.8.8')} | Sort-Object -Property @(@{Expression = {$_.DestinationPrefix.Split('/')[1]}; Asc = $false},'RouteMetric','ifMetric') ifIndex DestinationPrefix NextHop RouteMetric ifMetric PolicyStore ------- ----------------- ------- ----------- -------- ----------- 22 0.0.0.0/0 192.168.0.1 0 25 ActiveStore .EXAMPLE (IP-Calc 0.0.0.0/0).GetLocalRoute('127.0.0.1') ifIndex DestinationPrefix NextHop RouteMetric ifMetric PolicyStore ------- ----------------- ------- ----------- -------- ----------- 1 127.0.0.0/8 0.0.0.0 256 75 ActiveStore .EXAMPLE (IP-Calc 0.0.0.0/0).GetLocalRoute('127.0.0.1',2) ifIndex DestinationPrefix NextHop RouteMetric ifMetric PolicyStore ------- ----------------- ------- ----------- -------- ----------- 1 127.0.0.1/32 0.0.0.0 256 75 ActiveStore 1 127.0.0.0/8 0.0.0.0 256 75 ActiveStore .EXAMPLE (IP-Calc 192.168.0.0/25).Overlaps('192.168.0.0/27') True #> [CmdletBinding(DefaultParameterSetName='CIDR')] param( [Parameter(Mandatory=$true,ParameterSetName='CIDR',ValueFromPipelineByPropertyName=$true,Position=0)] [ValidateScript({$Array = ($_ -split '\\|\/'); ($Array[0] -as [IPAddress]).AddressFamily -eq [System.Net.Sockets.AddressFamily]::InterNetwork -and [string[]](0..32) -contains $Array[1]})] [Alias('DestinationPrefix')] [string]$CIDR, [parameter(ParameterSetName='Mask')][parameter(ParameterSetName=('PrefixLength'),ValueFromPipelineByPropertyName=$true)][parameter(ParameterSetName=('WildCard'))] [ValidateScript({($_ -as [IPAddress]).AddressFamily -eq [System.Net.Sockets.AddressFamily]::InterNetwork})] [Alias('IP')] [IPAddress]$IPAddress, [Parameter(Mandatory=$true,ParameterSetName='Mask')] [IPAddress]$Mask, [parameter(Mandatory=$true,ValueFromPipelineByPropertyName=$true,ParameterSetName='PrefixLength')] [ValidateRange(0,32)] [int]$PrefixLength, [parameter(Mandatory=$true,ParameterSetName='WildCard')] [IPAddress]$WildCard ) if($CIDR){ [IPAddress]$IPAddress = ($CIDR -split '\\|\/')[0] [int]$PrefixLength = ($CIDR -split '\\|\/')[1] [IPAddress]$Mask = [IPAddress]([string](4gb-([System.Math]::Pow(2,(32-$PrefixLength))))) } if($PrefixLength -and !$Mask){ [IPAddress]$Mask = [IPAddress]([string](4gb-([System.Math]::Pow(2,(32-$PrefixLength))))) } if($WildCard){ [IPAddress]$Mask = $WildCard.GetAddressBytes().ForEach({255 - $_}) -join '.' } if(!$PrefixLength -and $Mask){ $PrefixLength = 32 - ($Mask.GetAddressBytes().ForEach({[System.Math]::Log((256-$_),2)}) | Measure-Object -Sum).Sum } [int[]]$SplitIPAddress = $IPAddress.GetAddressBytes() [int64]$ToDecimal = $SplitIPAddress[0]*16mb + $SplitIPAddress[1]*64kb + $SplitIPAddress[2]*256 + $SplitIPAddress[3] [int[]]$SplitMask = $Mask.GetAddressBytes() $IPBin = ($SplitIPAddress.ForEach({[System.Convert]::ToString($_,2).PadLeft(8,'0')})) -join '.' $MaskBin = ($SplitMask.ForEach({[System.Convert]::ToString($_,2).PadLeft(8,'0')})) -join '.' if((($MaskBin -replace '\.').TrimStart('1').Contains('1')) -and (!$WildCard)){ Write-Warning 'Mask Length error, you can try put WildCard'; break } if(!$WildCard){ [IPAddress]$WildCard = $SplitMask.ForEach({255 - $_}) -join '.' } if($WildCard){ [int[]]$SplitWildCard = $WildCard.GetAddressBytes() } [IPAddress]$Subnet = $IPAddress.Address -band $Mask.Address [int[]]$SplitSubnet = $Subnet.GetAddressBytes() [string]$SubnetBin = $SplitSubnet.ForEach({[System.Convert]::ToString($_,2).PadLeft(8,'0')}) -join '.' [IPAddress]$Broadcast = @(0..3).ForEach({[int]($SplitSubnet[$_]) + [int]($SplitWildCard[$_])}) -join '.' [int[]]$SplitBroadcast = $Broadcast.GetAddressBytes() [string]$BroadcastBin = $SplitBroadcast.ForEach({[System.Convert]::ToString($_,2).PadLeft(8,'0')}) -join '.' [string]$CIDR = "$($Subnet.IPAddressToString)/$PrefixLength" [int64]$IPcount = [System.Math]::Pow(2,$(32 - $PrefixLength)) $Object = [pscustomobject][ordered]@{ IPAddress = $IPAddress.IPAddressToString Mask = $Mask.IPAddressToString PrefixLength = $PrefixLength WildCard = $WildCard.IPAddressToString IPcount = $IPcount Subnet = $Subnet Broadcast = $Broadcast CIDR = $CIDR ToDecimal = $ToDecimal IPBin = $IPBin MaskBin = $MaskBin SubnetBin = $SubnetBin BroadcastBin = $BroadcastBin PSTypeName = 'NetWork.IPCalcResult' } [string[]]$DefaultProperties = @('IPAddress','Mask','PrefixLength','WildCard','Subnet','Broadcast','CIDR','ToDecimal') Add-Member -InputObject $Object -MemberType AliasProperty -Name IP -Value IPAddress Add-Member -InputObject $Object -MemberType:ScriptMethod -Name Add -Value { param([int]$Add,[int]$PrefixLength = $This.PrefixLength) IP-Calc -IPAddress ([IPAddress]([String]$($This.ToDecimal + $Add))).IPAddressToString -PrefixLength $PrefixLength } Add-Member -InputObject $Object -MemberType:ScriptMethod -Name Compare -Value { param ([Parameter(Mandatory=$true)][IPAddress]$IP) $IPBin = -join (($IP)).GetAddressBytes().ForEach({[System.Convert]::ToString($_,2).PadLeft(8,'0')}) $SubnetBin = $This.SubnetBin.Replace('.','') for ($i = 0; $i -lt $This.PrefixLength; $i += 1) {if ($IPBin[$i] -ne $SubnetBin[$i]) {return $false}} return $true } Add-Member -InputObject $Object -MemberType:ScriptMethod -Name Overlaps -Value { param ([Parameter(Mandatory=$true)][string]$CIDR = $This.CIDR) $Calc = IP-Calc -Cidr $CIDR $This.Compare($Calc.Subnet) -or $This.Compare($Calc.Broadcast) } Add-Member -InputObject $Object -MemberType:ScriptMethod -Name GetIParray -Value { $w = @($This.Subnet.GetAddressBytes()[0]..$This.Broadcast.GetAddressBytes()[0]) $x = @($This.Subnet.GetAddressBytes()[1]..$This.Broadcast.GetAddressBytes()[1]) $y = @($This.Subnet.GetAddressBytes()[2]..$This.Broadcast.GetAddressBytes()[2]) $z = @($This.Subnet.GetAddressBytes()[3]..$This.Broadcast.GetAddressBytes()[3]) $w.ForEach({$wi = $_; $x.ForEach({$xi = $_; $y.ForEach({$yi = $_; $z.ForEach({$zi = $_; $wi,$xi,$yi,$zi -join '.'})})})}) } Add-Member -InputObject $Object -MemberType:ScriptMethod -Name isLocal -Value { param ([Parameter(Mandatory=$true)][IPAddress]$IP = $This.IPAddress) [bool](@(Get-NetIPAddress -AddressFamily IPv4 -AddressState Preferred).Where({(IP-Calc -IPAddress $_.IPAddress -PrefixLength $_.PrefixLength).Compare($IP)}).Count) } Add-Member -InputObject $Object -MemberType:ScriptMethod -Name GetLocalRoute -Value { param ([Parameter(Mandatory=$true)][IPAddress]$IP = $This.IPAddress,[int]$Count = 1) @(Get-NetRoute -AddressFamily IPv4).Where({(IP-Calc -CIDR $_.DestinationPrefix).Compare($IP)}) | Sort-Object -Property @{Expression = {(IP-Calc -CIDR $_.DestinationPrefix).PrefixLength}} -Descending | Select-Object -First $Count } Add-Member -InputObject $Object -MemberType:ScriptMethod -Force -Name ToString -Value { $This.CIDR } $PSPropertySet = New-Object -TypeName System.Management.Automation.PSPropertySet -ArgumentList @('DefaultDisplayPropertySet',$DefaultProperties) $PSStandardMembers = [System.Management.Automation.PSMemberInfo[]]$PSPropertySet Add-Member -InputObject $Object -MemberType MemberSet -Name PSStandardMembers -Value $PSStandardMembers $Object |