IP Intelligence is a free Proxy VPN TOR and Bad IP detection tool to prevent Fraud, stolen content, and malicious users. Block proxies, VPN connections, web host IPs, TOR IPs, and compromised systems with a simple API. GeoIP lookup available.

A completely free IP address API

Golang bindings for ipquery.io | A free and performant ip address API

Check if an IP is a VPN or datacenter. Based mainly on daily-updated public VPN/datacenter IP lists. Free, open source, no API subscriptions required 😌 (at the cost of accuracy 😳)

Rust bindings for ipquery.io | A free and performant ip address API

IP2Proxy Node.js module allows users to query an IP address to determine if it was being used as open proxy, web proxy, VPN anonymizer and TOR exits.

Typescript/Javascript bindings for ipquery.io | A free and performant ip address API

VPN Detection in the browser using JavaScript

Fork of https://bitbucket.org/yuri-project/novpndetect with additional hooks to bypass vpn detection

New/Updated. An open source list of ASNs known to belong to cloud, managed hosting, and colo facilities.

Java Library that allows you to detect whether or not a specified IP Address belongs to a hosting or vpn / proxy organization

Official Java SDK for the IPGeolocation API. Get IP geolocation, ASN, company, timezone, hostname, and user-agent data, plus security signals such as VPN detection, proxy detection, Tor detection, threat score, and cloud or data center IP checks.

IP Geolocation API .NET SDK

Retain your privacy while torrenting, even if your VPN connection is lost.

Retrieve and Analyze IP Address Information with IPQuery

IPGeolocation.io Command Line Tool (CLI) for fast IP lookups with threat intelligence, timezone, user-agent, and astronomy endpoints.

Official Ruby SDK for ipgeolocation.io. Effortlessly access IP geolocation, ASN, ISP, Company, Abuse and security data in your Ruby applications.

Dart bindings for ipquery.io | A free and performant ip address API

An API union of proxy detection services in Java

Official Go SDK for ipgeolocation.io. Seamlessly integrate IP geolocation, ASN, ISP, Abuse, and threat intelligence data into your Go applications.