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.

Knowing your IP address can help protect your home network and data from prying eyes. Here's how to find it.

What’s an IP Address? Put simply, an IP address (short for Internet Protocol address) is a unique identifier for your machine. Computers have them, but so do tablets and smartphones.

Do you know your IP address? You don't have to, but you should know where to find it. This is how to go about it on all devices.

Need to know the IP address of your router, as assigned by your ISP, or the IP of your computer, as assigned by your router? These numbers are easy to find when you know where to look.

You can connect directly to your Roku via the app if you just have the IP address, but it's a little trickier without your remote. Here's how to do it.

To find the IP address of your router, you'll need to open your computer or smartphone's internet settings page.

Learn how to trace and email IP Address to its source by reading this guide.