North American Network Operators Group|
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Re: Interesting new spam technique - getting a lot more popular.
On 6/14/06, Christopher L. Morrow <[email protected]> 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.