Subject: traceroute AS lookup
To: None <current-users@netbsd.org>
From: Mihai Chelaru <kefren@netbastards.org>
List: current-users
Date: 06/27/2002 13:20:47
Hello,

What is the source for traceroute when doing AS lookups ? I encountered this:

$ traceroute -a 193.226.59.5
traceroute to 193.226.59.5 (193.226.59.5), 64 hops max, 40 byte packets
 1  [AS8708] bucharest-nas1.rdsnet.ro (193.231.236.29)  160.839 ms  131.063 
ms  118.255 ms
 2  [AS8708] 213.157.165.254 (213.157.165.254)  120.081 ms  123.123 ms  
117.842 ms
 3  [AS8708] 212.93.128.6 (212.93.128.6)  130.799 ms  119.435 ms  126.253 ms
 4  [AS11042] kefren.netbsd.ro (193.226.59.5)  137.480 ms  117.403 ms  
126.743 ms
$ whois -h whois.ripe.net -r 193.226.59.5/32
% This is the RIPE Whois server.
% The objects are in RPSL format.
% Please visit http://www.ripe.net/rpsl for more information.
% Rights restricted by copyright.
% See http://www.ripe.net/ripencc/pub-services/db/copyright.html

inetnum:      193.226.59.0 - 193.226.59.255
netname:      ROMTELENET
descr:        Romanian ISP
descr:        6th Iancului, bl.113, ap.53
descr:        Bucharest, Romania
country:      ro
admin-c:      MC12711-RIPE
tech-c:       RC522-RIPE
status:       ASSIGNED PA
mnt-lower:    AS3233-MNT
mnt-by:       AS3233-MNT
mnt-routes:   AS8708-MNT
notify:       domain-admin@listserv.rnc.ro
changed:      cristih@rnc.ro 20010909
changed:      cristih@rnc.ro 20020104
source:       RIPE

route:        193.226.59.0/24
descr:        ROMTELENET
origin:       AS8708
mnt-by:       AS8708-MNT
changed:      tim@rdsnet.ro 20010918
source:       RIPE

As you can see traceroute reports this IP in AS11042 while the real one is 
8708.

Thanks,
Mihai