http://astrillrcpusdryujyzbsl7wsugvyfc5s6veyrpkojiqbrorgkfdxvid.onion/what-is-my-ip
It's the original version of the Internet Protocol, developed in the early 1980s, and it’s still the backbone of most online communications today. An IPv4 address comprises four sets of numbers, each ranging from 0 to 255, separated by periods, for example, 192.168.0.1.