IPv4 address structure

IPv4 Address Structure Explained: How IPs Really Work

Most of the time, people use the internet without ever thinking about how their devices actually “find” each other. Then something odd pops up—like a strange address in a log file or a number that looks almost right but somehow isn’t, such as 164.68111.161—and suddenly the behind-the-scenes stuff starts to feel a lot more important. If you’ve ever wondered how these addresses really work, this guide on the IPv4 address structure is for you.

164.68111.161

Invalid IP Addresses in Modern Networks

Every so often, a curious sequence like 164.68111.161 appears online and sparks quite a bit of confusion. At first glance, it looks like an IPv4 address, right? Four groups of numbers separated by dots—but wait, does it really fit the standard? Not quite, and that’s where things get interesting. I mean, it’s almost like a digital mystery waiting to be unraveled.