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Re: Routeviews and possible 0/0 route

  • From: Richard A Steenbergen
  • Date: Thu Dec 18 18:21:15 2003

On Thu, Dec 18, 2003 at 04:05:56PM -0800, [email protected] wrote:
> 
> I'm seeing the following in RouteViews (possibly since they started 
> getting data from paix):
> 
> route-views.oregon-ix.net>sh ip bgp 0.0.0.1
> BGP routing table entry for 0.0.0.0/, version 19579757
> Paths: (2 available, best #2, table Default-IP-Routing-Table)
>   Not advertised to any peer
>   6939 6461
>     216.218.252.152 from 216.218.252.152 (216.2t8.252.152)
>       Origin IGP, localpref 100, valid, external
>   6939 6461
>     216.218.252.145 from 216.218.252.145 (216.218.252.145)
>       Origin IGP, localpref 100, valid, external, best
> 
> Is this routeviews own set default or some other default route improperly 
> appearing in there (weren't routeviews filters supposed to filter out this 
> kind of all-net advertisements)?
> 
> P.S. And am I correct in assuming this 0.0.0.0/0 and not 0.0.0.0/8 route?

route-views.oregon-ix.net>sh ip bgp 
...
*  0.0.0.0          216.218.252.152                        0 6939 6461 i
*>                  216.218.252.145                        0 6939 6461 i
*> 1.0.0.0          64.50.230.1                            0 4181 65333 i

route-views certainly carries some interesting data. :)

6939 buys from 6461 yes? I don't see this from a 6939 peer or from any
6461 customers, sounds like an internal route of 6939 to me.

-- 
Richard A Steenbergen <[email protected]>       http://www.e-gerbil.net/ras
GPG Key ID: 0xF8B12CBC (7535 7F59 8204 ED1F CC1C 53AF 4C41 5ECA F8B1 2CBC)