Hi,
I can't open IPv6 address of cogentco.com through tunnelbroker.net IPv6 tunnel
traceroute to cogentco.com (2001:550:1::cc01), 64 hops max, 56 byte packets
1 tunnel.tserv6.fra1.ipv6.he.net (2001:470::1) 134.842 ms 134.784 ms 134.756 ms
2 gige-g2-4.core1.fra1.ipv6.he.net (2001:470:0:69::1) 134.728 ms 134.702 ms 134.676ms
3 * * *
4 * * *
5 * * *
6 * * *
But connection on IPv4 address through tunnelbroker.net PPTP VPN is possible
traceroute to cogentco.com (38.100.128.10), 64 hops max, 36 byte packets
1 172.31.255.1 (172.31.255.1) 121.729 ms
2 gige-g2-4.core1.fra1.he.net (216.66.80.29) 130.433 ms
3 ffm-b2-link.telia.net (213.248.92.33) 288.691 ms
4 ffm-bb1-link.telia.net (80.91.247.166) 287.407 ms
5 prs-bb1-link.telia.net (80.91.247.38) 302.618 ms
6 prs-b4-link.telia.net (80.91.251.114) 311.615 ms
7 213.248.79.10 (213.248.79.10) 284.590 ms
8 te0-2-0-6.mpd22.par01.atlas.cogentco.com (130.117.51.138) 287.321 ms
9 154.54.36.125 (154.54.36.125) 301.417 ms
10 te7-1.mpd01.fra03.atlas.cogentco.com (130.117.3.197) 301.397 ms
11 cogentco.com (38.100.128.10) 301.375 ms
Why no similar IPv6 route to Cogent through Telia?
traceroute6 cogentco.com from lg.telia.net:
traceroute6 to 2001:550:1::cc01 (2001:550:1::cc01) from 2001:2000:3018:d::1, 64 hops max, 12 byte packets
1 cogent-ic-130765-adm-b5.c.telia.net (2001:2000:3080:83::2) 0.747 ms 0.464 ms 0.439 ms
2 * * *
3 2001:978:2:22::1 (2001:978:2:22::1) 8.276 ms 8.214 ms 8.161 ms
4 * * *
5 * * *
6 cogentco.com (2001:550:1::cc01) 87.954 ms 87.925 ms *
Waiting to hear back from Cogent regarding our many, many offers of IPv6 peering. Everything on our side is ready, just waiting on them.