The problem with visualization of traceroute results is that it needs a very reliable GEO-IP database. They exist, but are very expensive. Hops that are not in

The problem with visualization of traceroute results is that it needs a very reliable GEO-IP database. They exist, but are very expensive. Hops that are not in cities (but in some ocean) are often placed in the city of the owner of the router. With the rise of IPv6 this only becomes worst.