Ну кагбе.
wormball@wormball-desktop:~$ ping6 2001:0:53aa:64c:20bc:50ed:a11b:3738
PING 2001:0:53aa:64c:20bc:50ed:a11b:3738(2001:0:53aa:64c:20bc:50ed:a11b:3738) 56 data bytes
From 2001:0:5ef5:79fd:28ad:7ee0:a11b:3738 icmp_seq=11 Destination unreachable: Address unreachable
From 2001:0:5ef5:79fd:28ad:7ee0:a11b:3738 icmp_seq=12 Destination unreachable: Address unreachable
From 2001:0:5ef5:79fd:28ad:7ee0:a11b:3738 icmp_seq=13 Destination unreachable: Address unreachable
From 2001:0:5ef5:79fd:28ad:7ee0:a11b:3738 icmp_seq=14 Destination unreachable: Address unreachable
From 2001:0:5ef5:79fd:28ad:7ee0:a11b:3738 icmp_seq=15 Destination unreachable: Address unreachable
^C
--- 2001:0:53aa:64c:20bc:50ed:a11b:3738 ping statistics ---
15 packets transmitted, 0 received, +5 errors, 100% packet loss, time 14007ms
wormball@wormball-desktop:~$ ping 2001:0:53aa:64c:20bc:50ed:a11b:3738
ping: unknown host 2001:0:53aa:64c:20bc:50ed:a11b:3738