Re: pingability of 2600::

[Marco Moock via NANOG <nanog () lists nanog org>]

On 15.01.2026 14:56 Brandon Martin via NANOG wrote:

> Cogent is well known for having incomplete global IPv6 connectivity.
>
> Does your network have a route to 2600::?  Does Cogent have a route
> to your network?  If you're on AS6939, the answer to both of those is 
> probably "no".  Obviously in that case, you're not going to be able
> to ping it even if there's a host there listening and willing to
> respond.

This is not limited to HE.
E.g. AS3320 doesn't have a route to 2600::/29 - and they peer on IPv6 -
e.g. 2001:550::/32 is being in their table directly connected to AS174.

Are there some people form Cogent here who can clarify that?
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