Check-ExternalIP.ps1
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<#PSScriptInfo
.VERSION 2.0 .GUID 9ab7fe54-8fc0-4f06-bddc-05fca6f65e54 .AUTHOR Aaron Guilmette .COMPANYNAME Microsoft .COPYRIGHT 2021 .TAGS IPaddress check .LICENSEURI .PROJECTURI https://www.undocumented-features.com/2021/02/09/check-external-ip-function/ .ICONURI .EXTERNALMODULEDEPENDENCIES .REQUIREDSCRIPTS .EXTERNALSCRIPTDEPENDENCIES .RELEASENOTES .DESCRIPTION Retrieves external IP address. .PRIVATEDATA #> <# .SYNOPSIS Check external IP address from PowerShell. .PARAMETER Provider Select which lookup provider to use. .NOTES 2021-05-11 - Publish to PowerShell Gallery. #> Function Check-ExternalIP { [cmdletbinding()] param ( [Parameter()] [ValidateSet('dyndns', 'ipchicken', 'myipaddress')] [string]$Provider) switch ($Provider) { dyndns { $source = "DynDns.com" $ip = (Invoke-WebRequest -Uri http://checkip.dyndns.com).content -replace '[^\d\.]' } ipchicken { $source = "IPChicken.com" $data = (Invoke-WebRequest -Uri https://www.ipchicken.com).ParsedHtml.body.outerText.Split("`n") $ip = $data | ? { $_ -match "\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}" } } myipaddress { $source = "MyIPAddress.com" $data = (Invoke-WebRequest -Uri http://myipaddress.com).ParsedHtml.body.outerText.split("`n") $ip = $data | ? { $_ -match "\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}" } } default { $source = "DynDns.com" $ip = (Invoke-WebRequest -Uri http://checkip.dyndns.com).content -replace '[^\d\.]' } } Return $ip } |