Anonymous or Open proxy servers are intermediate Web servers meant to hide the real identity or IP address of the requestor. Studies found that a large number of anonymous proxy users are generally responsible for online credit card fraud, forums and blogs spamming or defacing any visitor editable Web sites. More often than not they can be scammers, hackers or content thieves seeking only to prey on you and your legitimate Web site visitors.

The simple fact is that a lot of Web masters don't want or need the traffic from these anonymous IP address. The detection of open proxy servers is complicated and time-consuming process as it required port scanning and detection. The IP address re-allocated frequently and the proxy server detection technology need to be updated regularly. IP2Proxy is a simple Web solution that simplifies anonymous proxy server detection and turns it as simple as a query of IP address from a local database.

IP2Proxy detection algorithm is using a massive number of servers and posts scanning of all IP address ranges in parallel to detect anonymous open proxy servers which are actively in used. Then it generates a list of anonymous proxy IP address list which is being released to download area every 24-hour. The Web developers can automate the download process once per day from our server and import the open proxy IP address list into their Web site using script. All IP addresses in the latest proxy list are the recently active proxy servers in the Internet.