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Re: Suspecious anycast prefixes


From: Bill Woodcock <woody () pch net>
Date: Thu, 5 May 2011 00:35:23 -0700

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On May 4, 2011, at 8:23 PM, Yaoqing(Joey) Liu wrote:

Hi NANOG,

I manually extracted the origins and their org info for the announced
block of prefixes. All these prefixes were observed being originated
by at most four ASNs simultaneously. I suspect they provide anycast or
IXP service, but not positive. Please confirm my conjecture if you
know them. 

The IXP subnets are here:

http://www.pch.net/ixpdir/ip_city_country.pl

                                -Bill




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