Public/Get-BroadcastAddress.ps1
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Function Get-BroadcastAddress { <# .Synopsis Takes an IP address and subnet mask then calculates the broadcast address for the range. .Description Get-BroadcastAddress returns the broadcast address for a subnet by performing a bitwise AND operation against the decimal forms of the IP address and inverted subnet mask. Get-BroadcastAddress expects both the IP address and subnet mask in dotted decimal format. .Parameter IPAddress Any IP address within the network range. .Parameter SubnetMask The subnet mask for the network. #> [CmdLetBinding(DefaultParameterSetName = "ipandmask")] Param( [Parameter(Mandatory = $True, Position = 0, ValueFromPipeline = $True, ParameterSetName = 'ipandmask')] [Net.IPAddress]$IPAddress, [Parameter(Mandatory = $True, Position = 1, ParameterSetName = 'ipandmask')] [Alias("Mask")] [Net.IPAddress]$SubnetMask, [Parameter(Mandatory = $True, Position = 0, ParameterSetName = 'ipandmasklength')] [ValidatePattern('\b((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\/(3[0-2]|2[0-9]|1[0-9]|[0-9])\b')] [string]$IpAndMaskLength ) Process { switch ($PsCmdlet.ParameterSetName) { 'ipandmasklength' { $IPAddress = ($IpAndMaskLength.Split('/'))[0] $MaskLength = ($IpAndMaskLength.Split('/'))[1] $SubnetMask = ConvertTo-Mask $MaskLength } } Return ConvertTo-DottedDecimalIP $((ConvertTo-DecimalIP $IPAddress) -BOr ((-BNot (ConvertTo-DecimalIP $SubnetMask)) -BAnd [UInt32]::MaxValue)) } } |