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 😳)

Discover the comprehensive guide to Implementing VPN Detection on a PHP Server. This tutorial provides step-by-step instructions on VPN Detection in PHP, using IPHub API for reliable results. Learn how to safeguard your server by Detecting Malicious IPs and understand the techniques to Identify VPN/Proxy/Server IPs on the server side.

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.

Capacitor plugin to detect VPN connections on Android and iOS.

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.

This Python-based tool allows users to effortlessly determine whether an IP address is using a VPN service.

An API union of proxy detection services in Java

in this two things one (check ip if block show message country block), second if if country unblock then check if user using vpn it show you are using vpn otherwise show welcome messgae (upwork client) link: https://www.ipqualityscore.com/documentation/proxy-detection/overview

IPhub.info API wrapper.

Track IP location of clients once they scan a QR code (and force them to be on WiFi & not connected to a VPN for an accurate detection)

PHP Client for getipintel.net

VPN Detection in the browser using JavaScript

JavaScript Geolocation, Proxy, VPN or Tor exit address detection, for free.

PHP Geolocation, Proxy, VPN or Tor exit address detection, for free.

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

Virtual Private Network 虛擬私有網路

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

Large textual list of general IP addresses, that can be used to perform to train/test machine learning models

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