Hi, hostgator gives to me raw logs only for the present day. In this log file there are some hits as
188.8.131.52 - - [30/Sep/2013:11:55:22 -0500] "GET /sitemap_index.xml HTTP/1.1" 200 539 "-" "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"
The IP is coming from Google. I don't know if this is what you were looking for...