[177462] in North American Network Operators' Group
Comcast contact regarding /32 nullroute
daemon@ATHENA.MIT.EDU (Randy)
Wed Jan 21 18:20:31 2015
X-Original-To: nanog@nanog.org
To: nanog@nanog.org
Date: Wed, 21 Jan 2015 15:15:12 -0800
From: Randy <amps@djlab.com>
Mail-Reply-To: rsm@fast-serv.com, amps@djlab.com
Reply-To: rsm@fast-serv.com, amps@djlab.com
Errors-To: nanog-bounces@nanog.org
Someone/something is announcing a /32 from our IP space into comcast
from a private ASN. Could someone from comcast help at least provide
me some more information off-list? Normal support channels are not
helping.
route-server.newyork.ny.ibone>show ip bgp 74.115.212.130
BGP routing table entry for 74.115.212.130/32, version 2713438548
Paths: (13 available, best #10, table Default-IP-Routing-Table, not
advertised to EBGP peer)
Advertised to update-groups:
2
64650, (received & used)
68.86.80.4 (metric 69635) from 68.86.80.4 (68.86.1.4)
Origin incomplete, metric 0, localpref 100, valid, internal
Community: 64650:50001 no-export
It should instead look like this.
route-server.newyork.ny.ibone>show ip bgp 74.115.212.129
BGP routing table entry for 74.115.212.0/22, version 2674585749
Paths: (13 available, best #12, table Default-IP-Routing-Table)
Advertised to update-groups:
2
29944 29889, (received & used)
68.86.1.89 (metric 66845) from 68.86.80.4 (68.86.1.4)
Origin IGP, metric 0, localpref 300, valid, internal
Community: 7922:89 7922:2900
Originator: 68.86.1.89, Cluster list: 68.86.1.4, 68.86.1.0
--
~Randy
