Google Pagerank and "Class-C Addresses"

Mon Sep 21 23:20:06 UTC 2009

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've found that a lot of spammers enjoy having diverse ip's from which 
to mail/proxy requests.  This may just be a case of ignorance/rumors on 
your customers part, but I might suspect some of them of being spammers...

Leslie