I have received two emails in the past week from users who asked me for an easy way of finding their computer's IP address. Instead of replying to each user individually I made the decision to write it up here on Ghacks so that other users who were wondering about the same thing could benefit from it as well.
It first needs to be mentioned that your computer may have multiple IP addresses. That's the case for instance if you are currently connected to the Internet (which you may be since you are reading this text here) or if you have multiple network cards installed.
Each network card on your computer has a local IP address assigned to it. Plus, you get an IP address assigned to your computer whenever you connect to the Internet. The local IP address is only visible in the local network, for instance if a second computer in the network wants to communicate with yours. The Internet IP address on the other hand is often temporarily assigned, especially if you are on dial-up, DSL or cable.
Both local and Internet IP addresses look similar, each with four numbers separated by three dots. The core difference is that local IP addresses can only be accessed locally.
The easiest way to find out about your computer's IP addresses is to use the ipconfig tool. Start the Windows command line with the hotkey Windows-r, typing cmd and the enter key.
Type ipconfig, or ipconfig /all for a detailed listing.
You cannot display the IP address that your computer has received from the ISP this way though. To find out my computer's IP address I open https://www.ghacks.net/ip/ in a web browser of choice.
Your IP address will be shown to you along with the port and browser information. And that's how you look up your computer's IP address.
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Ghacks is a technology news blog that was founded in 2005 by Martin Brinkmann. It has since then become one of the most popular tech news sites on the Internet with five authors and regular contributions from freelance writers.