* Jeroen Massar > Hmmmm fd00::/8, that really should never ever be visible on the > Internet, being Unique *LOCAL* Addresses.
FWIW this is not unique to ULAs. When tracerouting through AS174, for example, you'll see IPv4-mapped IPv6 addresses, courtesy of 6PE. At least that was the case a couple of years back. That said, if you go looking, I'll wager you'll find RFC1918 addresses IPv4 traceroutes too. Tore
