Public/Get-NetworkSummary.ps1
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Function Get-NetworkSummary { [CmdLetBinding()] 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 ) switch ($PsCmdlet.ParameterSetName) { 'ipandmasklength' { $IPAddress = ($IpAndMaskLength.Split('/'))[0] $MaskLength = ($IpAndMaskLength.Split('/'))[1] $SubnetMask = ConvertTo-Mask -MaskLength $MaskLength } } $DecimalNetworkAddress = Get-NetworkAddress -IPAddress $IPAddress -SubnetMask $SubnetMask | ConvertTo-DecimalIP $DecimalBroadcastAddress = Get-BroadcastAddress -IPAddress $IPAddress -SubnetMask $SubnetMask | ConvertTo-DecimalIP $RangeStart = ConvertTo-DottedDecimalIP -IPAddress ($DecimalNetworkAddress + 1) $RangeEnd = ConvertTo-DottedDecimalIP -IPAddress ($DecimalBroadcastAddress - 1) $MaskLength = ConvertTo-MaskLength -SubnetMask $SubnetMask $Private = $False $BinaryIPAddress = ConvertTo-BinaryIP -IPAddress $IPAddress Switch -RegEx ($BinaryIPAddress) { "^1111" { $Class = "E"; $SubnetBitMap = "1111" } "^1110" { $Class = "D"; $SubnetBitMap = "1110" } "^110" { Write-Verbose "Class C" $Class = "C" If ($BinaryIPAddress -Match "^11000000.10101000") { $Private = $True } } "^10" { $Class = "B" If ($BinaryIPAddress -Match "^10101100.0001") { $Private = $True } } "^0" { $Class = "A" If ($BinaryIPAddress -Match "^00001010") { $Private = $True } } } $NetInfo = "" | Select-Object Network, Broadcast, Range, RangeStart, RangeEnd, Mask, MaskLength, Hosts, Class, IsPrivate $NetInfo.Network = ConvertTo-DottedDecimalIP -IPAddress $DecimalNetworkAddress $NetInfo.Broadcast = ConvertTo-DottedDecimalIP -IPAddress $DecimalBroadcastAddress $NetInfo.Range = "$RangeStart - $RangeEnd" $NetInfo.RangeStart = $RangeStart $NetInfo.RangeEnd = $RangeEnd $NetInfo.Mask = $SubnetMask $NetInfo.MaskLength = $MaskLength $NetInfo.Hosts = $DecimalBroadcastAddress - $DecimalNetworkAddress - 1 $NetInfo.Class = $Class $NetInfo.IsPrivate = $Private Return $NetInfo } |