Re: AS Connectivity Lookup

[Anurag Bhatia <me () anuragbhatia com>]

On Thu, Mar 8, 2012 at 12:41 AM, Joe Provo <nanog-post () rsuc gweep net>wrote:

> On Wed, Mar 07, 2012 at 09:29:29AM -0800, Radke, Justin wrote:
> > How can I easily view the current peering relationship of a particular
> AS?
> > Assume the AS you are researching does not have a looking glass and you
> are
> > not going to do lookups from the top 10 providers route servers to get
> some
> > glimpse of their connectivity. In my particular search
> > bgplay.routeviews.org does
> > not have any information and as-rank.caida.org is out of date. In the
> past
> > there was a great website called webtrace.info but it is no longer
> online.
> > Any suggestions?
>
> Any site you reference outside/not downstream of the desired
> AS will only provide you a partial picture.  Use many to try
> and create a holistic view.  So far it seems RIPE RIS hasn't
> yet been mentioned:
> http://www.ripe.net/data-tools/stats/ris/routing-information-service


Yeah RIS is good but only minor issue with it is that its output is little
slow.

> --
>         RSUC / GweepNet / Spunk / FnB / Usenix / SAGE / NewNOG


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Anurag Bhatia
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