Suspecious anycast prefixes

Yaoqing(Joey) Liu joey.liuyq at gmail.com
Wed May 4 15:20:59 CDT 2011


On Wed, May 4, 2011 at 3:15 PM, Joe Abley <jabley at hopcount.ca> wrote:

>
> 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.
>

This is definitely a good idea, I'll do it right now. Thanks.

Yaoqing

>
>
> Joe



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