Have you checked if they anounce something as 0.0.0.0/0 too -:) ??
On Fri, 15 Nov 1996, Tony Bates wrote:
List of possibly interesting aggregates
aggregate origin-AS AS Description
...
202.50.137.64/27 AS2687 IBM Global Network - AP
But maybe the following is a little bit over-reacting:
route-server.cerf.net>sh ip bgp 192.0.0.0 BGP routing table entry for 192.0.0.0 224.0.0.0, version 227980 Paths: (2 available, no best path) 1740 701 2685 2687, (aggregated by 2687 152.158.212.92) (history entry) 198.32.136.5 from 198.32.136.5 (134.24.29.1) Origin IGP, external, atomic-aggregate Dampinfo: penalty 810, flapped 1 times in 0:04:43 1740 701 2685 2687, (aggregated by 2687 152.158.212.92) (history entry) 134.24.17.200 from 134.24.17.200 (192.157.69.5) Origin IGP, external, atomic-aggregate Dampinfo: penalty 816, flapped 1 times in 0:04:32
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