Public/Test-IPv4AddressWithinRange.ps1
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<# .SYNOPSIS Evaluates if an IPv4 Address is equal or within an IPv4 Address range. .DESCRIPTION Evaluates if an IPv4 Address is equal or within an IPv4 Address range. .PARAMETER FirstIPv4Address The first IPv4 Address .PARAMETER LastIPv4Address The last IPv4 Address .PARAMETER TestIPv4Address The IPv4 Address to test .EXAMPLE Test-IPv4AddressWithinRange -FirstIPv4Address '192.168.1.1' -LastIPv4Address '192.168.5.21' -TestIPv4Address '192.168.6.1' False .EXAMPLE Test-IPv4AddressWithinRange -FirstIPv4Address '192.168.1.1' -LastIPv4Address '192.168.1.50' -TestIPv4Address '192.168.1.20' True .LINK http://www.github.com/roberttoups/IPv4Toolbox #> function Test-IPv4AddressWithinRange { [CmdletBinding()] [OutputType([Boolean])] Param ( [Parameter( Mandatory = $true )] [Alias('StartingIpAddress')] [ValidatePattern('^(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])$')] [String] $FirstIPv4Address, [Parameter( Mandatory = $true )] [Alias('EndingIpAddress')] [ValidatePattern('^(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])$')] [String] $LastIPv4Address, [Parameter( Mandatory = $true )] [Alias('TestingIpAddress')] [ValidatePattern('^(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])$')] [String] $TestIPv4Address ) begin { } process { Write-Verbose -Message "FirstIPv4Address: $FirstIPv4Address" $FirstInt64 = ConvertTo-Int64 -IPv4Address $FirstIPv4Address Write-Verbose -Message " FirstInt64: $FirstInt64" Write-Verbose -Message " LastIPv4Address: $LastIPv4Address" $LastInt64 = ConvertTo-Int64 -IPv4Address $LastIPv4Address Write-Verbose -Message " LastInt64: $LastInt64" $TestInt64 = ConvertTo-Int64 -IPv4Address $TestIPv4Address Write-Verbose -Message " TestInt64: $TestInt64" if($FirstInt64 -le $TestInt64 -and $LastInt64 -ge $TestInt64) { $true } else { $false } } end { } } |