[176971] in North American Network Operators' Group
Re: Is there list of IXPs (containing the information of the AS#
daemon@ATHENA.MIT.EDU (Song Li)
Mon Dec 22 09:45:25 2014
X-Original-To: nanog@nanog.org
Date: Mon, 22 Dec 2014 22:45:06 +0800
From: Song Li <refresh.lsong@gmail.com>
To: Nick Hilliard <nick@foobar.org>, Jeroen Massar <jeroen@massar.ch>,
nanog@nanog.org, Randy Bush <randy@psg.com>
In-Reply-To: <54982A0A.4020007@foobar.org>
Reply-To: refresh.lsong@gmail.com
Errors-To: nanog-bounces@nanog.org
在 2014/12/22 22:26, Nick Hilliard 写道:
> On 22/12/2014 13:50, Jeroen Massar wrote:
>> IXs themselves do not have ASNs, as they are Layer 2 providers.
>
> most modern IXPs will have an ASN for their route server, and possibly a
> separate asn for their mgmt infrastructure.
>
> Not sure how useful the mgmt ASN is, although most IXPs will paradoxically
> include this on their list of members.
>
> Nick
>
>
Thanks for your help!
I studied all the AS-Path in the routing table (from routeviews and
RIPE), and found that some ASN of IXPs were included in some AS-Path. I
think that under normal circumstances they should not appear in the
AS-Path, hence i want to filter out them.
Best!
--
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@gmail.com
