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List:       nanog
Subject:    Re: Cogent BGP Hijack
From:       Tom Paseka via NANOG <nanog () nanog ! org>
Date:       2017-05-23 23:16:12
Message-ID: CAL89SgLvvnHjz9q=rnrgDwht=Z5CrTYwbw8Bn88RN4mGygsemg () mail ! gmail ! com
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Looking at bgplay data, Hetzner possibly had some outages at the time?
Cogent isn't quick at withdrawing routes and will often blackhole inside
their network, but i can't see a large leak/hijack as happened.

On Tue, May 23, 2017 at 10:32 AM, <valdis.kletnieks@vt.edu> wrote:

> On Tue, 23 May 2017 10:10:25 +0300, Scott Christopher said:
> > https://www.lowendtalk.com/discussion/114865/hetzner-and-
> other-traffic-passin
> g-cogent-rerouted-over-moscow#latest
> >
> > A report that all Cogent traffic got re-routed into Moscow. Looks
> > innocent but happened right after UA blocked RU websites (e.g.,
> > VKontakte, Yandex, etc)
> >
> > Any thoughts ?
>
> Similar happened like 3 weeks ago.  Big collective yawn when I posted
> about it.
>
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