look for BGP routes containing local AS#

For example, My AS# is 23910 and the 'local AS' is 23910. If our BGP 
router received a route from the BGP neighbor AS1 with the AS-PATH: 1 .* 
23910, then the route is what we are looking for.

在 2015/1/27 22:05, Carlos M. Martinez 写道:
> Can you clarify what do you mean by 'local AS' ?
>
> regards
>
> Carlos
>
> On 1/27/15 11:48 AM, Song Li wrote:
>> Hi everyone,
>>
>> Recently I studied the BGP AS path looping problem, and found that in
>> most cases, the received BGP routes containing local AS# are suspicious.
>> However, we checked our BGP routing table (AS23910,CERNET2) on juniper
>> router(show route hidden terse aspath-regex .*23910.* ), and have not
>> found such routes in Adj-RIB-In.
>>
>> We believe that the received BGP routes containing local AS# are related
>> to BGP security problem. Hence, we want to look for some real cases in
>> the wild. Could anybody give us some examples of such routes?
>>
>> Thanks!
>>
>> Best Regards!
>>


-- 
Song Li
Room 4-204, FIT Building,
Network Security,
Department of Electronic Engineering,
Tsinghua University, Beijing 100084, China
Tel:( +86) 010-62446440
E-mail: refresh.lsong at gmail.com