$ ping -c2 tserv1.zrh1.he.net.
PING tserv1.zrh1.he.net (216.66.80.98) 56(84) bytes of data.
--- tserv1.zrh1.he.net ping statistics ---
2 packets transmitted, 0 received, 100% packet loss, time 1006ms
$ traceroute tserv1.zrh1.he.net.
traceroute to tserv1.zrh1.he.net. (216.66.80.98), 30 hops max, 60 byte packets
1 109.230.130.1 (109.230.130.1) 0.400 ms 0.349 ms 0.428 ms
2 border.vsevnet.ru (109.230.128.17) 0.797 ms 0.841 ms 0.876 ms
3 ae3-212.RT.KM.SPB.RU.retn.net (87.245.252.89) 0.824 ms 0.818 ms 0.812 ms
4 ae2-6.RT.TC1.STO.SE.retn.net (87.245.233.134) 13.641 ms 13.649 ms 13.644 ms
5 10gigabitethernet1-2.core1.sto1.he.net (194.68.123.187) 15.455 ms 15.578 ms 15.661 ms
6 10gigabitethernet3-3.core1.fra1.he.net (72.52.92.233) 40.679 ms 40.438 ms 40.409 ms
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email ipv6@he.net to open a trouble ticket
ping -c2 tserv1.zrh1.he.net
PING tserv1.zrh1.he.net (216.66.80.98) 56(84) bytes of data.
64 bytes from tserv1.zrh1.he.net (216.66.80.98): icmp_req=1 ttl=49 time=151 ms
64 bytes from tserv1.zrh1.he.net (216.66.80.98): icmp_req=2 ttl=49 time=154 ms
--- tserv1.zrh1.he.net ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 151.309/153.036/154.763/1.727 ms
Thanks, now all works