Anyone notice strange announcements for 174.128.31.0/24

Kevin Oberman oberman at es.net
Mon Jan 12 13:07:40 CST 2009


> Date: Mon, 12 Jan 2009 13:52:17 -0500
> From: "Paul Stewart" <pstewart at nexicomgroup.net>
> 
> Same here.. got a notice this morning and while it's false, I still have
> no response from Randy neither on this matter...
> 
> If they are going to involve our AS numbers and trigger alarms it would
> be nice to notify us first... especially on something as major as a
> prefix hijacking (potentially)
> 
> Paul
> 
> 
> 
> -----Original Message-----
> From: Majdi S. Abbas [mailto:msa at latt.net] 
> Sent: Monday, January 12, 2009 1:49 PM
> To: Michienne Dixon
> Cc: nanog at nanog.org
> Subject: Re: Anyone notice strange announcements for 174.128.31.0/24
> 
> On Mon, Jan 12, 2009 at 12:40:42PM -0600, Michienne Dixon wrote:
> > I'm not entirely certain what is going on but has anyone noticed some
> > strange announcements for 174.128.31.0/24? 
> > 
> > I received a hijack notice that my AS (AS11708) was announcing the
> above
> > IP range.  I verified that I was not when I started noticing some
> > strange announcements for that range.  Around 10 Am CST AS11911 was
> > announcing it  (AS_PATH: 1239 2914 3130 11911) then around 11:30 AM
> CST
> > I observed AS12083 announcing it (AS_PATH: 1239 2914 3130 12083). 
> > 
> > Interestingly enough, ARIN indicates this is a part of range they have
> > assigned for reachability testing. 
> > http://ws.arin.net/whois/?queryinput=174.128.31.0
> 
> 	randy lied but
> 	no packets died
> 	enough now
> 
> 	More seriously, this is indeed reachability research.  Try
> emailing
> the AS 3130 contacts although I'd imagine Randy will see this.

http://psg.com/173-174/ explains what is going on.
-- 
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman at es.net			Phone: +1 510 486-8634
Key fingerprint:059B 2DDF 031C 9BA3 14A4  EADA 927D EBB3 987B 3751
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