They're also useful for representing IPv4 space. Tom7 had a nice video where he does this after pinging the whole (IPv4) internet [0] [0] https://www.youtube.c

They're also useful for representing IPv4 space. Tom7 had a nice video where he does this after pinging the whole (IPv4) internet [0] [0] https://www.youtube.com/embed/JcJSW7Rprio https://www.youtube.com/embed/JcJSW7Rprio at about 6 minutes, though I recommend the whole thing.