Bogon prefix c0f:f618::/32 announced via Cogent

Tue Jul 17 12:37:01 UTC 2018

Looks like a typo of 2c0f:f618:

A V Destination        P Prf   Metric 1   Metric 2  Next hop        AS path* ? 2c0f:f618::/32     B 170        150      69040                  174 327814 ?
  unverified                                       >fe80::f5c0:800:2

On Sat, Jul 14, 2018 at 08:18:25AM +0800, Siyuan Miao wrote:
> Hi,
> 
> c0f:f618::/32 originated from AS327814 is announcing via Cogent for several
> weeks.
> 
> I've tried to contact Cogent and AS327814 but didn't receive any reply.
> 
> Tue Jul 10 17:52:48.602 UTC
> BGP routing table entry for c0f:f618::/32
> Versions:
>   Process           bRIB/RIB  SendTblVer
>   Speaker           76403269    76403269
>     Local Label: 61339
> Last Modified: Jul  3 13:31:40.815 for 1w0d
> Paths: (1 available, best #1)
>   Advertised to peers (in unique update groups):
>     38.5.0.99
>   Path #1: Received by speaker 0
>   Advertised to peers (in unique update groups):
>     38.5.0.99
>   327814
>     2001:550:0:1000::261c:166 (metric 119060) from
> 2001:550:0:1000::261c:153 (38.28.1.102)
>       Origin incomplete, localpref 130, valid, internal, best, group-best
>       Received Path ID 0, Local Path ID 0, version 76403269
>       Community: 174:11100 174:20999 174:21101 174:22012
>       Originator: 38.28.1.102, Cluster list: 38.28.1.83, 38.28.1.67, 38.28.1.92