Whoer.net - find out your IP address location: detect IP location, ISP, country, city
Display My Hostname helps you find your current public hostname, IP address, remote port, and user agent (web browser).
A Comprehensive Database of Web User Agents | Web User Agents is a comprehensive database of user agents found on the web.
See your site the way the searchbots see it. The Bot Simulator Project provides a simulator tool to test your site using any User Agent string. User Agent strings for Google,...