Can’t find what you’re looking for?

Most of the time, you're assigned an address automatically, and there's often no reason for you to need to know your IP address. Occasionally, though, you may need to know your computer's IP address, either to configure networking software, or to troubleshoot a problem with your internet. Complicating the situation slightly is that there are two different IP addresses associated with your computer: a local IP sometimes called internal IP and a public IP also known as an external IP.

How to find your IP address and computer/host name | Charles Darwin University

Most of the time, you only need to know the local IP. If you're asked for your IP address and it doesn't specify which one, assume it's the local IP. The good news is that it's very easy to find your computer's IP address, and the process has been exactly the same, no matter what version of Windows you have. Click the Start button, type "cmd," then press Enter.

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You can open Command Prompt from your Start menu. When you want to set up a network or troubleshoot a connectivity problem, finding the IP address of your computer is a common first step.

This article tells you how to find your IP address for both Mac and Windows. The public address is provided by your internet service provider ISP and is how the internet recognizes your network. Each device on your local network, including your computer, has a unique local IP address that is usually assigned by the router on your internal network.

You may need a local IP address to do things like setting up printers or solving technical problems on your network.

Checking the router's IP Address using a computer with Windows operating system

For example, you may need to tell a tech support person your public IP address if you lose your internet connection or if you want to give someone permission to administer your network remotely. Even if you think you know your public IP address, you should check anyway because it may have changed. The difference between static and dynamic addressing is at the root of a lot of connectivity problems. If you want to learn more, you can read about the differences between IPv4 and IPv6, and which is better.

There are several simple ways to identify your public IP address.


Another way to find your public IP address is to use Google search. Remember: all these tools tell you your public IP address -- the one the internet uses to find your network -- not the local IP address behind your router.

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  5. Your public IP address is public. Just as there are tools that let you find your public IP address, there are tools that let other people find your public IP address, too.

    Troubleshooting Your PC For Dummies, 3rd Edition

    That might alarm you, and rightly so. To use this command, go to Start Menu , Run After clicking Ok, a command window will appear.

    Find Your Router’s IP Address in Mac OS X

    Type ipconfig and press [Enter] to display the computer's network information. The ipconfig command will list the IP address for each network adapter that is installed on the computer.

    How to Find Your Computer IP Address on Windows 8 / Windows 10

    In some cases there will be more than one adapter, so it is important to choose the correct one. If the wrong adapter is chosen then the IP address will not work when used in future rules the rule will have no effect. In the diagram above, there are two sets for information displayed, one for each adapter in the system.