[90773] in North American Network Operators' Group
Re: Interesting new spam technique - getting a lot more popular.
daemon@ATHENA.MIT.EDU (Suresh Ramasubramanian)
Wed Jun 14 00:40:05 2006
Date: Wed, 14 Jun 2006 10:09:36 +0530
From: "Suresh Ramasubramanian" <ops.lists@gmail.com>
To: "Christopher L. Morrow" <christopher.morrow@verizonbusiness.com>
Cc: NANOG <nanog@merit.edu>
In-Reply-To: <Pine.GSO.4.58.0606140421050.19686@marvin.argfrp.us.uu.net>
Errors-To: owner-nanog@merit.edu
On 6/14/06, Christopher L. Morrow
<christopher.morrow@verizonbusiness.com> wrote:
> Atleast it'd trim down the 'problem' to the single customer subnet, I
> assume that dedicated hosting folks don't just drop machines behind a
> switch on one big flat subnet? That's probably a naive assumption though
> :( Perhaps this is clue #12 that that is a 'less than good' option? :)
Given the people who complained, and their traditionally spammer
infested nature I wouldnt be surprised at all to find that they've put
all their hosts on a flat subnet
Various /24s of theirs keep getting complimentary upgrades from our
filters after reaching a certain limit - based on a X IPs blocked per
/24, Y /24s per /16 metric .. when that limit is reached, we
automatically upgrade the blocks to cover infested /24s.
