The IP address location API is a tool that lets users lookup unlimited IP addresses in realtime from their website, blog or administration tool. The service detects and traces the IP address of a web application user and provides location of origin and organization along with related information about the user. It reports on visitors from a database tracking information about IPs to support content delivery and other services matched to the unique visitor.
The API includes the following fields: IP Address, Location ID, Country Code, State/Region, City Name, Postal Code (US only), Latitude, Longitude, Metro Code, Area Code, Organization and ISP. Returned data can also include the organization or ISP where the traffic originated. The site claims up to 99.5% accuracy with worldwide coverage. The API uses RESTful protocol.