> > 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.
Absolutely. Unless you block these at your borders (we do). Steinar Haug, AS 2116
