[117591] in North American Network Operators' Group
Re: Google Pagerank and "Class-C Addresses"
daemon@ATHENA.MIT.EDU (Joel Jaeggli)
Mon Sep 21 13:22:44 2009
Date: Mon, 21 Sep 2009 10:20:52 -0700
From: Joel Jaeggli <joelja@bogus.com>
To: NANOG <nanog@nanog.org>
In-Reply-To: <20090921161802.GB27976@danton.fire-world.de>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Got to stop using classful addressing terminology... It's only been 16
or so years and you're not referring to:
192.0.0.0/5
Snake-oil salesmen abound in this space. More to the point, any
technique used to sculpt pank-rank scores on a systematic basis is
likely to result in a countervailing adjustment by search engine operators.
http://en.wikipedia.org/wiki/Search_engine_optimization
http://en.wikipedia.org/wiki/PageRank
Sebastian Wiesinger wrote:
> Hello Nanog,
>
> I'm looking into a weird request which more and more customers have.
> They want "different Class C addresses", by which they mean IPs in
> different /24 subnets.
>
> The apparent reason for this is that Google will rank links from
> different /24 higher then links from the same /24. So it's a SEO
> thingy.
>
> I googled a bit and found pages after pages of FUD and such great
> things as the "Class C Checker": "This free Class C Checker tool
> allows you to check if some sites are hosted on the same Class C IP
> Range."
>
> My question is: Is there any proof that Google does differentiate
> between /24s, or even better is there any proof that this isn't the
> case? I will not give a customer space from different address blocks
> just because he read it in a SEO magazine.
>
> Perhaps someone from Google itself can answer this question?
>
> Also how do you handle such requests? I expect I'm not the only one
> who gets them.
>
> Regards,
>
> Sebastian
>
