sthaug at nethelp.no sthaug at nethelp.no
Fri Nov 19 06:09:55 CST 2010

> > That's what I'm hearing. Cogent refuses to peer with HE via IPv6.
> > So cogent IPv6 Customers currently can not hit things at HE. And they can't 
> > do anything about it. Besides 6to4 tunneling and BGP peering with HE (or 
> > native, If they can).
> A few weeks ago I compared what cogent sees compared to a tata+highwinds feed. 
> http://blog.snijders-it.nl/2010/10/cogent-as174-does-not-have-full-ipv6.html
> They are missing roughly 1000 prefixes. 

As long as we are in public "naming and shaming" mode, it should be noted
that Cogent is not alone. We have an IPv4/IPv6 transit from Level3, and
they don't have the HE prefixes either.

Our two other IPv4/IPv6 transits seem to have no problem supplying us with
a full IPv6 routing table.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no

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