IP-Calc

3.0.2

IP-Calc.ps1

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                                <#PSScriptInfo

.VERSION 3.0.2

.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')

#>

[CmdletBinding(DefaultParameterSetName='CIDR')]

param(

    [Parameter(Mandatory=$true,ParameterSetName='CIDR',Position=0)]

        [ValidateScript({$Array = ($_ -split '\\|\/'); $Array[0] -as [IPAddress] -and [string[]](0..32) -contains $Array[1]})]

        [Alias('DestinationPrefix')]

        [string]$CIDR,

    [parameter(ParameterSetName=('Mask'))][parameter(ParameterSetName=('PrefixLength'))][parameter(ParameterSetName=('WildCard'))]

        [Alias('IP')]

        [IPAddress]$IPAddress,

    [Parameter(Mandatory=$true,ParameterSetName='Mask')]

        [IPAddress]$Mask,

    [parameter(Mandatory=$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','IPcount','Subnet','Broadcast','CIDR','ToDecimal','IPBin','MaskBin','SubnetBin','BroadcastBin')

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 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 '.'})})})})

}

$PSPropertySet = New-Object -TypeName System.Management.Automation.PSPropertySet -ArgumentList @('DefaultDisplayPropertySet',$DefaultProperties)

$PSStandardMembers = [System.Management.Automation.PSMemberInfo[]]$PSPropertySet

Add-Member -InputObject $Object -MemberType MemberSet -Name PSStandardMembers -Value $PSStandardMembers

Add-Member -InputObject $Object -MemberType AliasProperty -Name IP -Value IPAddress

$Object