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What's the easiest way to remember a publicly ping IPv6 address?

There are several well-known IPv4 addresses on the Internet that people widely use to test their Internet connections - 4.2.2.2, 8.8.8.8, 8.8.4.4, etc. But what about IPv6? Does anyone know of any easily remembered public pingable IPv6 addresses?

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4 answers

I think Sprint has one of the shortest:

$ ping6 2600::
PING6(56=40+8+8 bytes) 2a00:8640:1::357b:4afd:7201:61cd --> 2600::
16 bytes from 2600::, icmp_seq=0 hlim=47 time=136.297 ms
16 bytes from 2600::, icmp_seq=1 hlim=47 time=134.229 ms
16 bytes from 2600::, icmp_seq=2 hlim=47 time=134.438 ms
16 bytes from 2600::, icmp_seq=3 hlim=47 time=135.200 ms
16 bytes from 2600::, icmp_seq=4 hlim=47 time=133.569 ms
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I also opened these two from OpenDNS:

$ ping6 2620:0:ccd::2
PING 2620:0:ccd::2(2620:0:ccd::2) 56 data bytes
64 bytes from 2620:0:ccd::2: icmp_seq=1 ttl=59 time=13.7 ms
64 bytes from 2620:0:ccd::2: icmp_seq=2 ttl=59 time=13.8 ms
64 bytes from 2620:0:ccd::2: icmp_seq=3 ttl=59 time=13.4 ms
...

and

$ ping6 2620:0:ccc::2
PING 2620:0:ccc::2(2620:0:ccc::2) 56 data bytes
64 bytes from 2620:0:ccc::2: icmp_seq=1 ttl=59 time=13.1 ms
64 bytes from 2620:0:ccc::2: icmp_seq=2 ttl=59 time=13.7 ms
64 bytes from 2620:0:ccc::2: icmp_seq=3 ttl=59 time=13.8 ms
...

Not very easy to remember, but not so bad.

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v6 8.8.8.8 8.8.4.4. .

2001:4860:4860::8888 
2001:4860:4860::8844
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: 2602: ffea: a:: dead: beef

-, - "2602: ffea: a:: [a-f]: [a-f]"

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Source: https://habr.com/ru/post/1547919/

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