Anyone notice strange announcements for 174.128.31.0/24

Paul Stewart pstewart at nexicomgroup.net
Mon Jan 12 23:13:53 UTC 2009


The alerts we got were because our AS number was showing up somewhere
else in the world.  Whether it's "legit" IP space or not - it still
warrants investigation on a high priority from my perspective.

I have nothing against Randy or anyone else involved with this project
.. to be quite honest I'd be interesting in seeing/hearing the results
... but I believe a more careful approach is in order with consideration
for the folks effected.  

Paul


-----Original Message-----
From: deleskie at gmail.com [mailto:deleskie at gmail.com] 
Sent: January 12, 2009 6:00 PM
To: Michienne Dixon; NANOG list
Subject: Re: Anyone notice strange announcements for 174.128.31.0/24

This was a test using unassigned IP block, unless I'm reading it wrong.
If a noc alerted on this it should have still be a low priority issue.
I don't see any issues with the way this was carried out at all.

-jim
------Original Message------
From: Michienne Dixon
To: NANOG list
Subject: RE: Anyone notice strange announcements for 174.128.31.0/24
Sent: Jan 12, 2009 6:55 PM

 
But isn't this method kind of related to how an network from the
Mediterranean/Mid-east went about blocking what they felt was
undesirable/offensive content from entering their network? 

-
Michienne Dixon
Network Administrator
liNKCity
312 Armour Rd.
North Kansas City, MO  64116
www.linkcity.org
(816) 412-7990

-----Original Message-----
From: Randy Bush [mailto:randy at psg.com] 
Sent: Monday, January 12, 2009 4:47 PM
To: Paul Stewart
Cc: NANOG list
Subject: Re: Anyone notice strange announcements for 174.128.31.0/24

On 09.01.13 07:42, Paul Stewart wrote:
> For us, it was annoying - we look for prefix hijackings or what appear

> to be.

i think herein lies the rub.  it is not prefix hijacking and in no way
should it appear that way to you.  i suggest tuning your detectors.  i
am told that path poisoning is used (futilely, we hope to show) in day
to day ops by folk to try to avert dos attacks.

randy




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