[170629] in North American Network Operators' Group
Re: BGPMON Alert Questions
daemon@ATHENA.MIT.EDU (Felix Aronsson)
Wed Apr 2 16:27:16 2014
In-Reply-To: <CACUUO4Gc6itVxCQJsEiT_FXAbvm_vSRoQy7o7S1fy_GcrY291Q@mail.gmail.com>
From: Felix Aronsson <felix@mrfriday.com>
Date: Wed, 2 Apr 2014 21:21:45 +0200
To: Joseph Jenkins <joe@breathe-underwater.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Seeing the same here for a /21. This seems to have happened before with
AS4761? See http://www.bgpmon.net/hijack-by-as4761-indosat-a-quick-report/from
january 2011.
On Wed, Apr 2, 2014 at 8:51 PM, Joseph Jenkins
<joe@breathe-underwater.com>wrote:
> So I setup BGPMON for my prefixes and got an alert about someone in
> Thailand announcing my prefix. Everything looks fine to me and I've
> checked a bunch of different Looking Glasses and everything announcing
> correctly.
>
> I am assuming I should be contacting the provider about their
> misconfiguration and announcing my prefixes and get them to fix it. Any
> other recommendations?
>
> Is there a way I can verify what they are announcing just to make sure they
> are still doing it?
>
> Here is the alert for reference:
>
> Your prefix: 8.37.93.0/24:
>
> Update time: 2014-04-02 18:26 (UTC)
>
> Detected by #peers: 2
>
> Detected prefix: 8.37.93.0/24
>
> Announced by: AS4761 (INDOSAT-INP-AP INDOSAT Internet Network
> Provider,ID)
>
> Upstream AS: AS4651 (THAI-GATEWAY The Communications Authority of
> Thailand(CAT),TH)
>
> ASpath: 18356 9931 4651 4761
>
