Bell Canada outage?
andree+nanog at toonk.nl
Wed Aug 8 15:31:58 CDT 2012
Further analysis shows that there were actually 107,409 prefixes
affected of 14,391 unique origin ASn's.
Interested if your prefixes was affected?
I've uploaded a list of prefixes and ASn's that were leaked here:
.-- My secret spy satellite informs me that at 12-08-08 12:50 PM Andree
> .-- My secret spy satellite informs me that at 12-08-08 11:35 AM Darius
> Jahandarie wrote:
>> On Wed, Aug 8, 2012 at 2:31 PM, Zachary McGibbon
>> <zachary.mcgibbon+nanog at gmail.com> wrote:
>>> Anyone at Bell Canada / Sympatico can tell us what's going on? Our routing
>>> table is going nuts with Bell advertising a lot of routes they shouldn't be
>> Bell leaked a full table. To add to the fun, it seems that TATA took
>> the full table and releaked it.
> A quick analysis leads met to believe AS46618 ( Dery Telecom Inc) is the
> cause of this. AS46618 is dual homed to VIDEOTRON and Bell. What seems
> to have happened is that they leaked routes learned from VIDEOTRON to Bell.
> Based on BGP data I see that at 17:27 UTC AS46618 ( Dery Telecom Inc)
> started to leak a 'full table', or at least a significant chunk of it to
> its provider Bell AS577.
> Bell propagated that to it's peers. Tata was one of the ones that
> accepted all of that.
> I can see that Bell propagated at least 74,109 prefixes learned from
> AS46618 to Tata. Tata selected 70,160 of those routes.
More information about the NANOG