This web interface allows you to quickly check if a given IP address is a known type of proxy such as VPN anonymizer (VPN), open proxies (PUB), web proxies (WEB), Tor exit nodes (TOR), data center ranges (DCH) and search engine spider (SES).

For evaluation purpose, you can enter for a known DCH IP address range.

Online Proxy Detection

Bug Bounty Program

If you believe you have found a proxy or VPN IP address which is not being reported correctly by IP2Proxy, we encourage you to let us know right away by showing us ways to reproduce the issue through email to IP2Location Support Email.

We will investigate all legitimate reports and do our best to quickly fix the problem. If your submission has not been reported before, we will reward you with free IP2Proxy Web Service worth $50.

Data Source

This service is powered by, a leading geolocation solution provider. provides various geolocation services, and for this free online proxy detection, it's using the IP2Proxy solution. IP2Proxy solution enables users to detect if a given IP address is a known type of proxy, and it offers users 2 type of packages, namely the IP2Proxy Database and IP2Proxy Web Service, for implementation.

In general, IP2Proxy Database allowing you to set up a relational database, such as MySQL, for the proxy query. And, IP2Proxy Web Service allowing you to directly query for proxy detection using the REST API.

Proxy Type

Below are the list of proxy types supported by IP2Proxy and their definitions.

Proxy Type Description
VPN Anonymizing VPN services. These services offer users a publicly accessible VPN for the purpose of hiding their IP address.
TOR Tor Exit Nodes. The Tor Project is an open network used by those who wish to maintain anonymity.
DCH Hosting Provider, Data Center or Content Delivery Network. Since hosting providers and data centers can serve to provide anonymity, the Anonymous IP database flags IP addresses associated with them.
PUB Public Proxies. These are services which make connection requests on a user's behalf. Proxy server software can be configured by the administrator to listen on some specified port. These differ from VPNs in that the proxies usually have limited functions compare to VPNs.
WEB Web Proxies. These are web services which make web requests on a user's behalf. These differ from VPNs or Public Proxies in that they are simple web-based proxies rather than operating at the IP address and other ports level.
SES Search Engine Robots. These are services which perform crawling or scraping to a website, such as, the search engine spider or bots engine.