Originally Posted by baddog

"About 3% of all web sites "own" a private IP number, with the remainder being on virtual, or name-based, servers. Although only 3% are dedicated IP's, we have seen that in many instances well over 90% of the top-50 results in the search engines are sites having dedicated IP numbers. This was so strange that we have repeatedly validated these findings, and have found that switching a site from a virtual IP to a dedicated IP number alone has caused significant ranking increases. Of course, the web is so dynamic that this could be coincidence, but we do not think so"