[103851] in North American Network Operators' Group
Re: Calling TeliaSonera - time to implement prefix filtering
daemon@ATHENA.MIT.EDU (sthaug@nethelp.no)
Tue Apr 15 13:59:26 2008
Date: Tue, 15 Apr 2008 19:32:24 +0200 (CEST)
To: nanog@merit.edu
From: sthaug@nethelp.no
In-Reply-To: <D03E4899F2FB3D4C8464E8C76B3B68B002591350@E03MVC4-UKBR.domain1.systemhost.net>
Errors-To: owner-nanog@merit.edu
> > I think he was saying that Delta Telecom don't *own*
> > 62.0.0.0/8 and therefore shouldn't be advertising it.
> > Following that Telia shouldn't be accepting the route and
> > then re-announcing it to peers ...
>
> Of course! ... /8? ... Azerbaijan? ... What was I thinking?...
>
> Still, it would be better to contact the upstream directly
> and work back through the peering chain because this kind
> of thing is usually a result of education deficit, not malice.
Probably in theory. In practice, it's not obvious. I *did* get a
private response from a Telia person after my posting to Nanog,
and this person alerted their routing registry. The 62.0.0.0/8
prefix is now gone - whether as as result of my posting to Nanog
or not, I have no means of knowing.
Steinar Haug, Nethelp consulting, sthaug@nethelp.no