Cogent also have a blackhole route-server that they will provide to you to announce /32's for blackholing.
The address for this is 66.28.1.228 which is the originator for the 104.31.19.30/3 <http://104.31.19.30/32>2 and 104.31.18.30/32 routes. On 10 February 2017 at 18:46, Jason Rokeach <ja...@rokeach.net> wrote: > This looks pretty intentional to me. From > http://www.cogentco.com/en/network/looking-glass: > > BGP routing table entry for 104.31.18.30/32, version 611495773 > Paths: (1 available, best #1, table Default-IP-Routing-Table) > Local > 10.255.255.255 (metric 10177050) from 154.54.66.21 (154.54.66.21) > Origin IGP, metric 0, localpref 150, valid, internal, best > Community: 174:990 174:20912 174:21001 > Originator: 66.28.1.228, Cluster list: 154.54.66.21, 66.28.1.9 > > BGP routing table entry for 104.31.19.30/32, version 611495772 > Paths: (1 available, best #1, table Default-IP-Routing-Table) > Local > 10.255.255.255 (metric 10177050) from 154.54.66.21 (154.54.66.21) > Origin IGP, metric 0, localpref 150, valid, internal, best > Community: 174:990 174:20912 174:21001 > Originator: 66.28.1.228, Cluster list: 154.54.66.21, 66.28.1.9 > > > Call it a "hunch" but I doubt 10.255.255.255 is a valid next-hop router. > > On Fri, Feb 10, 2017 at 1:39 PM, Mike Hammett <na...@ics-il.net> wrote: > > > Have we determined that this is intentional vs. some screw up? > > > > > > > > > > ----- > > Mike Hammett > > Intelligent Computing Solutions > > http://www.ics-il.com > > > > Midwest-IX > > http://www.midwest-ix.com > > > > ----- Original Message ----- > > > > From: "Brielle Bruns" <br...@2mbit.com> > > To: nanog@nanog.org > > Sent: Friday, February 10, 2017 12:28:53 PM > > Subject: Re: backbones filtering unsanctioned sites > > > > On 2/9/17 9:18 PM, Ken Chase wrote: > > > https://torrentfreak.com/internet-backbone-provider- > > cogent-blocks-pirate-bay-and-other-pirate-sites-170209/ > > > > > > /kc > > > > > > > Funny. Someone else got back: > > > > "Abuse cannot not provide you a list of websites that may be > > encountering reduced visibility via Cogent" > > > > I almost wish I had a Cogent circuit just to bring this up with an > > account rep. Almost. > > > > I'd very much so view this as a contractual violation on Cogent's part. > > > > Cogent keeps contacting me every year wanting to sell me service. This > > will be a good one to bring up when they call me next time. > > > > -- > > Brielle Bruns > > The Summit Open Source Development Group > > http://www.sosdg.org / http://www.ahbl.org > > > > >