Google Pagerank and "Class-C Addresses"

Florian Weimer fweimer at
Tue Sep 22 14:49:04 UTC 2009

* Sebastian Wiesinger:

> 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.

It's not that weired at all.  Others demand the same because it
allegedly increases reliability.

> 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?

Good luck.  Google doesn't disclose their algorithms.  There doesn't
appear to be any Google statement on this matter, either.

Florian Weimer                <fweimer at>
BFK edv-consulting GmbH
Kriegsstraße 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99

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