Randall Munroe is the genius artist behind xkcd, the only webcomic I still keep up with. Excellent funny geekery there. But today’s comic? Today’s comic is a bit of sheer genius.
Without further ado, I present to you the map of the IPv4 address space. In a grid. With location information. You can do a traceroute and map out geographic regions as the ICMP timeouts return.