North American Network Operators Group

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Re: Calling TeliaSonera - time to implement prefix filtering

  • From: sthaug
  • Date: Tue Apr 15 14:00:58 2008

> > 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, [email protected]