Suspecious anycast prefixes

Mon May 2 18:44:16 UTC 2011

> -----Original Message-----
> From: Yaoqing(Joey) Liu [mailto:joey.liuyq at gmail.com]
> Sent: Monday, May 02, 2011 2:17 PM
> To: nanog at nanog.org
> Subject: Suspecious anycast prefixes
> 
> Hi all,
> 
> I found the following prefixes are often originated by many ASNs more
> than
> five, wonder if they provide global anycast service, if so what
> specific
> service they provide?
> 
> 12.64.255.0/24
> 70.37.135.0/24
> 198.32.176.0/24
> 199.7.49.0/24
> 199.7.80.0/24
> 199.16.93.0/24
> 199.16.94.0/24
> 199.16.95.0/24
> 206.223.115.0/24

Most of those are for Verisign's DNS resolution services.  Definitely
nothing to be suspicious about here.  Move along.  These aren't the droids
you are looking for.

Stefan Fouant