IP Address Location API

IP-address.com is a leading IP tracing site. The site receives more than 10,000,000 unique visitors the month. The site allows users to trace unlimited IP addresses to reveal their location and get details related to the IP addresses in real-time. The RESTful API lets users lookup unlimited IP addresses in real-time from their web site or application. Searchable data includes IP Address, Location ID, Country Code, State/Region, City Name, Postal Code (US and Canada only), Latitude, Longitude, Organization and ISP.