Saudi Telecom sending route with invalid attributes 212.118.142.0/24

Richard Barnes richard.barnes at gmail.com
Sat Sep 10 17:26:14 CDT 2011


Looks like the RIS collectors are seeing it originating mostly from
STC and KACST ASNs:
<http://stat.ripe.net/212.118.142.0/24>

Some of the "show ip bgp" reports on that screen are also showing
AS8866 "BTC-AS Bulgarian Telecommunication Company".  Not sure what's
up with that.

--Richard



On Sat, Sep 10, 2011 at 2:01 PM, Christopher Morrow
<morrowc.lists at gmail.com> wrote:
> On Fri, Sep 9, 2011 at 9:26 PM, Kyle Duren <pixitha.kyle at gmail.com> wrote:
>> Is this announcement still showing up this way (no easy way to check
>> myself).
>
> ripe ris?
>
>> -Kyle
>>
>> On Thu, Sep 8, 2011 at 4:20 PM, Clay Haynes <chaynes at centracomm.net> wrote:
>>
>>> On Thu, Sep 8, 2011 at 7:11 PM, Jonas Frey (Probe Networks) <
>>> jf at probe-networks.de> wrote:
>>>
>>> > Hello,
>>> >
>>> > anyone else getting a route for 212.118.142.0/24 with invalid
>>> > attributes? Seems this is (again) causing problems with some (older)
>>> > routers/software.
>>> >
>>> >               Announcement bits (4): 0-KRT 3-KRT 5-Resolve tree 1
>>> > 6-Resolve tree 2
>>> >                AS path: 6453 39386 25019 I Unrecognized Attributes: 39
>>> > bytes
>>> >                AS path:  Attr flags e0 code 80: 00 00 fd 88 40 01 01 02
>>> > 40 02 04 02 01 5b a0 c0 11 04 02 01 fc da 80 04 04 00 00 00 01 40 05 04
>>> > 00 00 00 64
>>> >                Accepted Multipath
>>> >
>>> >
>>> > -Jonas
>>> >
>>> >
>>> Yup! We're seeing the same thing too, and we're filtering it out.
>>> Originating AS is 25019
>>>
>>> -Clay
>>>
>>
>
>




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