This Cmdlet can create and output a range of IP addresses as a [IPAddress] .Net Objects for use in other Cmdlets.
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<# .SYNOPSIS Creates a Range of IP addresses and outputs them either as an array or one by one as a string .DESCRIPTION Creates a Range of IP addresses and outputs them either as an array or one by one as a string .PARAMETER Subnet The subnet or subnets of addresses to create the ips from .PARAMETER From Frst number in the IP Range .PARAMETER To Last number in the IP Range .PARAMETER Array Specify if the addresses are passed as and array object. .EXAMPLE PS C:\> Create-NTIPRange -Subnet 10.10.10 .NOTES Additional information about the function. #> function Create-NTIPRange { [CmdletBinding()] [OutputType([array], [ipaddress])] param ( [Parameter(Mandatory = $true)] [array]$Subnet, [ValidateRange(1, 255)] [int]$From = 1, [ValidateRange(1, 255)] [int]$To = 255 ) BEGIN { } PROCESS { # Checks to see if there are multiple subnets if ($Subnet -notmatch '-') { # Splits the listed subnets to an array foreach ($IPSubnet in $Subnet) { # Casts the Subnet as a String to access the Split method $IPSubnet = $IPSubnet -as [String] if ($IPSubnet -match '.') { $IPSplitCount = $IPSubnet.Split('.') switch ($IPSplitCount.count) { # Running output code depending ou number of octets 2 { $sequence = 1..255 foreach ($Octet in $sequence) { $Sequence2 = $From..$To foreach ($Octet2 in $Sequence2) { $Convertion = "$IPSubnet" + "." + "$Octet" + "." + "$Octet2" $Output = [IPAddress]::Parse("$Convertion") Write-Output $Output } } } 3 { # Done > $sequence = $From..$To foreach ($Octet in $sequence) { $Convertion = "$IPSubnet" + "." + "$Octet" $Output = [IPAddress]::Parse("$Convertion") Write-Output $Output } } # Done < default { Write-Warning "Ooops" } } } Else { $sequence = 1..255 foreach ($Octet in $sequence) { $Sequence2 = 1..255 foreach ($Octet2 in $Sequence2) { $sequence = $From..$To foreach ($octet3 in $sequence3) { $Convertion = "$IPSubnet" + "." + "$Octet" + "." + "$Octet2" + "." + $octet3 $Output = [IPAddress]::Parse("$Convertion") Write-Output $Output } } } } } } else { # - Subnet building foreach ($IPSubnet in $Subnet) { $IPSubnet = $IPSubnet -as [String] if ($IPSubnet -match '.') { $IPSplitCountDash = $IPSubnet.Split('-') $IPSplitCountDashEnd = ($IPSplitCountDash[0].split('.'))[-1] $SubnetFrom = $IPSplitCountDashEnd $SubnetTo = $IPSplitCountDash[-1] $SubnetStringCasting = $IPSplitCountDash[0] -as [String] $IPSplitCount = $SubnetStringCasting.Split('.') switch ($IPSplitCount.count) { 2 { $sequence = 1..255 foreach ($Octet in $sequence) { $Sequence2 = $From..$To foreach ($Octet2 in $Sequence2) { $Convertion = "$IPSubnet" + "." + "$Octet" + "." + "$Octet2" $Output = [IPAddress]::Parse("$Convertion") Write-Output $Output } } } 3 { # Done > $sequence = $SubnetFrom..$SubnetTo foreach ($Octet in $sequence) { $sequence2 = $From..$To foreach ($Octet2 in $sequence2) { $Convertion = $IPSplitCount[0] + "." + $IPSplitCount[1] + "." + "$Octet" + "." + $Octet2 $Output = [IPAddress]::Parse("$Convertion") Write-Output $Output } } } # Done < default { Write-Warning "Ooops" } } } Else { $sequence = 1..255 foreach ($Octet in $sequence) { $Sequence2 = 1..255 foreach ($Octet2 in $Sequence2) { $sequence = $From..$To foreach ($octet3 in $sequence3) { $Convertion = "$IPSubnet" + "." + "$Octet" + "." + "$Octet2" + "." + $octet3 $Output = [IPAddress]::Parse("$Convertion") Write-Output $Output } } } } } } } END { } } |