BTW: I believe traceroutes with teredo / miredo IPv6 address do a different "to" than "return" trace.
Below is a trace with my sixxs IPv6 connectivity.
Traceroute to 2001:838:3a4:0:218:deff:fe10:c560:
1 gw-1330.ham-01.de.sixxs.net (2001:6f8:900:531::1) 19.834 ms 19.763 ms 20.972 ms |



