Re: Suspecious anycast prefixes

[bmanning () vacation karoshi com]

On Thu, May 05, 2011 at 11:54:17AM +0300, Joe Abley wrote:
> On 2011-05-05, at 11:46, bmanning () vacation karoshi com wrote:
>
> > On Wed, May 04, 2011 at 10:23:12PM -0500, Yaoqing(Joey) Liu wrote:
> > > 198.32.64.0/24
> > > AS4555:ASName: EP0-BLK-ASNBLOCK-5;OrgName:Almond Oil Process, LLC.
> > > AS9584:as-name:GENESIS-AP|descr:Diyixian.com Limited|country:HK
> > > AS20144:ASName: L-ROOT;Comment:distributed using Anycast.
> > > AS42909: as-name:         COMMUNITYDNS;descr:           Internet
> > > Computer Bureau Ltd
> >
> >     according to Filip, this is -NOT- supposed to be
> >     anycast.  the only legal origin ASN is 4555.
> >
> >     these other ASNs have hijacked the prefix.
>
> The source data above may be old, or simply wrong -- I don't see *any* AS originating that prefix right now, and I 
> can confirm specifically AS20144 is not configured to originate it.
>
> Perhaps I'm misunderstanding the original question, but the assertion that anybody is hijacking that particular 
> prefix seems false.
>
>
> Joe

        back in the olden days, this prefix was in active use and for a period of time was anycast.
        methinks Joey was refering to routing -today-...

        one might ask the question, how can you tell when an un-authorized party originates routes
        (yours), from your ASN - their router of course....

/bill