Long BGP AS paths
Jon Lewis
jlewis at lewis.org
Sun Oct 1 18:42:22 UTC 2017
On Sun, 1 Oct 2017, sthaug at nethelp.no wrote:
>> Could you list which prefix(es) you saw were being announced with these
>> long AS paths?
>
> 186.177.184.0/23 - still being announced with 533 occurrences of 262197
> in the AS path.
aut-num: AS262197
owner: MILLICOM CABLE COSTA RICA S.A.
ownerid: CR-ACCR1-LACNIC
responsible: Jonathan Cisneros
address: 350mts Oeste del Ministerio de Agricultura, frente a entrada
principal UCIMED, Sabana Oeste, 0, 0
address: 10108 - San Jos� - SJ
country: CR
phone: +50 2 2790099 []
owner-c: JOC63
routing-c: JOC63
abuse-c: ATR9
created: 20130709
changed: 20140804
Anyone care to bet on whether they're using a Mikrotik and did
/routing filter add set-bgp-prepend=262197
and this somehow got truncated to fewer than the "requested" 262197
prepends? I'm seeing 562 prepends...which doesn't seem to work out to any
obvious amount of bitwise truncation/wrap.
----------------------------------------------------------------------
Jon Lewis, MCP :) | I route
| therefore you are
_________ http://www.lewis.org/~jlewis/pgp for PGP public key_________
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