Your computer's IP address, the string of numbers used to identify your computer online, can be found in Windows easily. You usually don't need to know your IP address, and it's usually assigned ...

If you know the IP address, enter it on ARIN WHOIS to view ownership. To find an IP address, open Command Prompt and enter: ping websitename.com. If you don't know the IP address, use Register.com, ...

To find the IP address of your router, you'll just need to open your computer or smartphone's internet settings page. Once you've found your router's IP address, you can use it to open your router's ...