[140192] in North American Network Operators' Group
Re: Suspecious anycast prefixes
daemon@ATHENA.MIT.EDU (Joe Abley)
Wed May 4 16:15:55 2011
From: Joe Abley <jabley@hopcount.ca>
In-Reply-To: <BANLkTinms81A-oQckWC_ym8F-YXfzOVtNA@mail.gmail.com>
Date: Wed, 4 May 2011 23:15:30 +0300
To: Yaoqing(Joey) Liu <joey.liuyq@gmail.com>
X-SA-Exim-Mail-From: jabley@hopcount.ca
Cc: bmanning@vacation.karoshi.com, nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 2011-05-04, at 23:11, Yaoqing(Joey) Liu wrote:
> Thanks for clarifying this, actually I have a few more blocks with =
four origin ASNs that I'm not positive if they are anycast prefixes. =
Please help distinguish them if the provide anycast service.
You could probably get a good distance towards the answer to this by =
looking up the prefixes yourself using appropriate whois servers. =
Enumerating every prefix you see with more than one apparent origin and =
asking NANOG to type whois for you does not scale very well.
Joe=
