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  • From: Steven Champeon <schampeo AT hesketh.com>
  • To: "Internetworkers: http://www.ibiblio.org/internetworkers/" <internetworkers AT lists.ibiblio.org>
  • Subject: Re: [internetworkers] Loose Change vs. Popular Mechanics
  • Date: Wed, 13 Dec 2006 09:51:31 -0500

on Wed, Dec 13, 2006 at 09:43:52AM -0500, zman wrote:
> On Wed, 13 Dec 2006, Steven Champeon wrote:
> > Scott, there's a difference between host->IP mapping and IP->PTR
> > mapping. No, there's nothing wrong with the former, but seeing multiples
> > on the latter is very rare. I've only seen it (after looking at thousands
> > of IPs over the last three years or more) on a few Mexican ISPs and very
> > rarely outside of that.
>
> Yes there is... maybe you should look at the blocks the ISP's and hosting
> companies are using and not just a block of IP's. We had already been
> doing it at NewSouth before I left there, and I'm sure they're still doing
> it with whatever their name is now. After going through an adress
> migration with ARIN there was no way that we could give each domain an
> individual IP. I'm not saying it's prevalent, but I wouldn't consider it
> rare by any means.

OK, then, show me five IPs with multiple PTR records and I'll let this lie.

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