Are you interested in tracking the IP addresses of search engine spiders? You can see my latest lists of search engine IP addresses and User-Agents here: Google IP List List of the IP addresses of the various Googlebots and Mediabots. Last revised Sunday, 26-Jan-2014 10:59:21 EST Size: 4.3K Yahoo IP List List of the IP addresses of Yahoo/Inktomi bots. Last revised Sunday, 26-Jan-2014 10:59:22 EST