[117775] in North American Network Operators' Group
Re: Cogent leaking /32s?
daemon@ATHENA.MIT.EDU (seph)
Fri Oct 2 16:49:03 2009
From: seph <seph@directionless.org>
To: nanog@nanog.org
Date: Fri, 02 Oct 2009 16:48:27 -0400
In-Reply-To: <w523a61czwj.fsf@lame.message.id> (seph@directionless.org's
message of "Fri, 02 Oct 2009 16:19:08 -0400")
Reply-To: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
I called cogent. Best guess is that they leaked the /32 announcements
that people do for the peer a/b stuff. They normally filter them, and
don't have any recommendation about whether or not to set no export.
seph
seph <seph@directionless.org> writes:
> ML <ml@kenweb.org> writes:
>
>> I received an alert from Cyclops telling me a probe in AS513 had seen
>> a /32 that I announce to Cogent for one of our BGP sessions.
>>
>> Did anyone else see this?
>
> cyclops alerted me that the /32s my routers use got announced. I'm still
> tying to figure out what's up. They're not routes I announce, and as far
> as I can tell, they were announced with a cern next hop.
>
> seph
