Cogent leaking /32s?

ML ml at
Sat Oct 3 03:36:45 UTC 2009

Richard A Steenbergen wrote:
> On Fri, Oct 02, 2009 at 10:54:13AM -0500, Clue Store wrote:
>> Yes, I absolutely love the /24 filtering "everybody" does. Internet
>> littering at its best.
> There is no rule that says you have to filter at /24, or that no other
> network may ever advertise something longer. This issue is probably best
> expressed as "you are highly unlikely to have full global Internet
> reachability if you announce something longer than a /24", not "you are
> highly unlikely to have anyone accept your announcement if it are longer
> than a /24".

Just to clarify it was a /32 for Cogent A/B peering.  When I set it up 
they didn't recommend setting no-export.

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