You can look up your own IP address using a website like the aptly-named WhatIsMyIPAddress, where you’ll find information such as your internet service provider and your general region.

In short, there are numerous reasons why you might need to know the IP address of a machine on your local network. I want to show you how to find that information on most operating systems.

Your IP address is assigned by your ISP, and that detail isn’t private. Anyone who sees your IP can also look up which provider you use, whether that’s a big-name cable company, a mobile data ...