backbones filtering unsanctioned sites

Fri Feb 10 20:15:18 UTC 2017

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 <nanog at 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" <bruns at 2mbit.com>
  >> To: nanog at 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 - math at sizone.org Guelph/Toronto Canada
Heavy Computing - Clued bandwidth, colocation and managed linux VPS @151 Front St. W.