Originally Posted by Jdoughs

Sure, i've heard about it, and its not a urban legend, but it certainly is not what you are implying it is. Host Crowding has little or nothing to do with IP's, allthough you can be sure its "checked against your inbounds and outbounds"? IP check may be a direct relative of host crowding but its not why host crowding was implemented, and not its job to be in charge of looking after.



Source: http://www.mattcutts.com/blog/subdom...ubdirectories/

Now again i will say, there is far more important things to worry about. Using new IP's and new Nameservers is not done as a offensive or strategical move, it is purely functionable as a defense, for showing the links are from "external sources".

Now i can agree that you will not take a more then 2 spaces in a serp with the same IP, but i have to ask, who in their right fucking mind would attempt to rank more then 2 domains for the same serp and host them all on the same IP, i guess only a fool.