[6bone] 2001:470::/35 ghost routes.

Nicolas DEFFAYET nicolas.deffayet@ndsoftware.net
14 Aug 2002 16:23:50 +0200


On Wed, 2002-08-14 at 15:38, Gert Doering wrote:
hi,
> 
> On Wed, Aug 14, 2002 at 01:38:59PM +0100, Edward Brocklesby wrote:
> > So.. I think there is a problem ;-).
> > 
> > Let's see output of another bgp route:
> > 
> > BGP routing table entry for 2001:470::/35
> 
> Ghosts again.  Here is what I have for this prefix:
> 
>   1930 1916 11537 786 5623 9044 10566 10109 7660 2500 2497 3549 8002 278 6939
>   3292 6830 8758 9044 10566 10109 7660 2500 2497 3549 8002 278 6939
>   4554 5609 5623 9044 10566 10109 7660 2500 2497 3549 8002 278 6939
>   1752 6830 8758 9044 10566 10109 7660 2500 2497 3549 8002 278 6939
>   3274 6175 7580 145 11537 22388 7660 2500 2497 3549 8002 278 6939
>   109 109 6175 7580 145 11537 22388 7660 2500 2497 3549 8002 278 6939
>   9044 10566 10109 7660 2500 2497 3549 8002 278 6939
> 
> 
> > I see that of the three routes, the only common entry is AS7660.
> > Hm, who is this?...
> 
> Some AS in Japan, which seems to have been responsible for one of the last
> ghosts as well.
> 
> [..]
> > Well, it seems that this APNIC ASN does not have an entry in APNIC's
> > whois database. Hmmm.
> 
> Interesting.  Last time I checked, they were visible...
> 
> Anyway, whois.ra.net still has them...:
> 
> aut-num:       AS7660
> as-name:       UNSPECIFIED
> descr:         APAN JP Network Operations Center
>                1-8-1 Otemachi Chiyoda-ku
>                Tokyo, JAPAN
> 
> I have no direct contacts there.
> 
> 
> > Would anyone like to comment on this problem? (or else-- tell me
> > to go away ;-) sorry if this is not an appropriate question for
> > this list, but maybe it affects 6bone community too..)
> > 
> > (Maybe too if anyone knows the contact for AS7660 it's useful.)
> 
> That would be helpful, yes.  Especially if someone has a good personal
> contact and could work with AS7660 to figure out what's going on (some
> specific recent software change, or some new product, or whatnot).
> 
> AS7660 is a new player in this "ghost game"...

http://www.jp.apan.net/cgi-bin/ipv6/mrlg

show bgp ipv6 2001:470::/35
% Network not in table

show bgp ipv6 2001:470::/32
BGP routing table entry for 2001:470::/32, version 1245624
Paths: (1 available, best #1)
  Not advertised to any peer
  9264 6939
    2001:288:3B0::1D (metric 2) from 3FFE:8140:101:3::3 (203.181.248.4)
      Origin IGP, localpref 100, valid, internal, best

Best Regards,

Nicolas DEFFAYET