AS8300 - Swisscom hijacking.. Just what are you testing?

Jared Mauch jared at puck.nether.net
Wed Feb 1 16:22:11 CST 2012


On Feb 1, 2012, at 5:12 PM, Jeroen Massar wrote:

> On 2012-02-01 22:44 , Schiller, Heather A wrote:
>> 
>> AS8300 started announcing one of the Rove Digital dns changer IP ranges.
> [..]
>> I searched around and couldn't find any mention of what they might be testing.  Anyone know?  
> 
> They do internal aggregation of common prefixes to keep their internal
> tables small, see for instance this rather old preso:
> 
> http://www.swinog.ch/meetings/swinog7/BGP_filtering-swinog.ppt
> 
> These prefixes should of course not be leaked outside their own network.
> 
> I would say, kick them either directly (yell offlist if you want direct
> contacts) or spam the SwiNOG list and you will get a response quickly too.

One could just filter their as-path from 701/702/703 in the interim to get them to address it.

- jared


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