And because they're continuing to announce the /20, we run into their blackhole unless we manually filter that /20. This is going to become unworkable in short order once a bigger chunk of the internet starts doing this.
/kc On Fri, Feb 10, 2017 at 03:03:11PM -0500, Christopher Morrow said: >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? >> >> >if you look at the cogent LG it's pretty clear that the announce >reachability for the /20 that includes the tpb /32.. and that the /32 is >particularly routed elsewhere, and that the 'elsewhere' is coming form a >bgp speaker who's DNS says something along the lines of: "blackhole"... > >so... err, either someone fat-fingered OR intentionally entered a /32 into >the config management system :( > > >> >> >> >> ----- >> 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 >> >> -- Ken Chase - m...@sizone.org Guelph/Toronto Canada Heavy Computing - Clued bandwidth, colocation and managed linux VPS @151 Front St. W.