IPleak.com - IP Leak privacy test: IP-address, DNS, WebRTC and others

BrowserLeaks
BrowserLeaks is a suite of tools that offers a range of tests to evaluate the security and privacy of your web browser. These tests focus on identifying ways in which websites may leak your real IP address, collect information about your device, and perform a browser fingerprinting.
https://browserleaks.com/

BrowserLeaks - What Is My IP Address
https://browserleaks.com/ip