Depending on your device / computer you can enter command " ipconfig" or check out tools that can give you this info.
https://ipinfo.info/html/ip_checker.php

It will not be easy, some strategy will require you to download their software which might not be safe. There are those who do this and you can pay them, sparing your system from any harm.

If your looking for the IP of a particular website (say for example Yahoo), launch Terminal (on Mac) or cmd from the Start menu (on PC) and type:

ping http://www.yahoo.com

The first line response will include the IP address.

that's good!