Bogon list

Barry Raveendran Greene bgreene at cisco.com
Tue Jun 4 20:33:43 UTC 2002




> On Tue, Jun 04, 2002 at 11:04:40AM -0700, David McGaugh wrote:
> > I agree with Joe on this. At one time we were filtering 198.32/16 from
> > our peers but ran into things like ep.net (198.32.6.31) breaking. We now
> > only filter on IXP blocks for which we participate.
> >
> > While on the subject of IXP blocks, we also ended up redistributing the
> > IXP blocks and sending them to our BGP customers (who do not receive a
> > default) so that traceroutes and such from Looking Glasses do not break.
> > They can then choose to filter them as they wish.
>
> Exchange point blocks SHOULDN'T be transited by anyone, therefore you
> should not hear them from your peers.

Agreed. But these are the IXP micro allocations - not "bogons." How you
filter the IXP blocks depends on each ISP and the IXP contracts. So that
would be something you would add to Rob's template.




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