Anyone notice strange announcements for 188.8.131.52/24
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)
> -----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 184.108.40.206/24
> 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 220.127.116.11/24?
> > I received a hijack notice that my AS (AS11708) was announcing the
> > 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
> > 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=18.104.22.168
> randy lied but
> no packets died
> enough now
> More seriously, this is indeed reachability research. Try
> 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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