BGPMON Alert Questions

Andree Toonk andree+nanog at toonk.nl
Wed Apr 2 19:21:21 UTC 2014


I can confirm that indosat appears to be hijacking  many prefixes.
HE 6939 is one of the networks picking it up and distributing it
further. Here's an example for a Syrian prefix:

http://portal.bgpmon.net/data/indosat-hijack.png

====================================================================
Possible Prefix Hijack (Code: 10)
====================================================================
Your prefix:          5.0.0.0/18:
Prefix Description:   STE Public Data Network Backbone and LIR
Update time:          2014-04-02 18:47 (UTC)
Detected by #peers:   13
Detected prefix:      5.0.0.0/18
Announced by:         AS4761 (INDOSAT-INP-AP INDOSAT Internet Network
Provider,ID)
Upstream AS:          AS6939 (HURRICANE - Hurricane Electric, Inc.,US)
ASpath:               271 6939 4761
Alert details:
https://portal.bgpmon.net/alerts.php?details&alert_id=41644877
Mark as false alert:  https://portal.bgpmon.net/fp.php?aid=41644877

Andree (BGPMON.net)

.-- My secret spy satellite informs me that at 2014-04-02 11:59 AM  Kate
Gerry wrote:
> I just got the same thing.
> 
> ====================================================================
> Possible Prefix Hijack (Code: 10)
> ====================================================================
> Your prefix:          173.44.32.0/19: 
> Prefix Description:   AS8100 
> Update time:          2014-04-02 18:40 (UTC)
> Detected by #peers:   1
> Detected prefix:      173.44.32.0/19 
> 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 38794 4651 4761 
> Alert details:        https://portal.bgpmon.net/alerts.php?details&alert_id=41639483
> Mark as false alert:  https://portal.bgpmon.net/fp.php?aid=41639483
> 
> ====================================================================
> Possible Prefix Hijack (Code: 10)
> ====================================================================
> Your prefix:          173.205.80.0/20: 
> Prefix Description:   AS8100 
> Update time:          2014-04-02 18:40 (UTC)
> Detected by #peers:   1
> Detected prefix:      173.205.80.0/20 
> 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 38794 4651 4761 
> Alert details:        https://portal.bgpmon.net/alerts.php?details&alert_id=41639484
> Mark as false alert:  https://portal.bgpmon.net/fp.php?aid=41639484
> 
> --
> Kate Gerry
> Network Manager
> kate at quadranet.com
> 
> 1-888-5-QUADRA Ext 206 | www.QuadraNet.com
> Dedicated Servers, Colocation, Cloud Services and more.
> Datacenters in Los Angeles, Dallas and Miami.
> 
> Follow us on:  
> 
> -----Original Message-----
> From: Joseph Jenkins [mailto:joe at breathe-underwater.com] 
> Sent: Wednesday, April 2, 2014 11:52 AM
> To: nanog at nanog.org
> Subject: BGPMON Alert Questions
> 
> 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
> 




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