You “Own” 16 Milion+ IPv4 Addresses!
TLDR For the foreseeable future, you can likely use 127.0.0.0/8 freely (or at least 127.0.0.0/16). Introducing 127.0.0.0/8, the Loopback Range Visualization of the 127.0.0.0/8 rangeFrom cidr.xyz by Yuval Adam If you have ever done web development or otherwise set up a local server, you have most likely used the IP address 127.0.0.1 to communicate with a local server. Often, localhost is even internally translated to that address. But what if you want to run another server on the same computer? Easy, make the first one use, say, port 8080 and the second one, port 8181! ...