Accurate VPN, Relay and Tor Detection

Turn anonymous IP addresses into actionable signals: from a simple boolean flag to full service identification with confidence scoring.

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{
  hosting:true,
  proxy:false,
  relay:true,
  tor:false,
  vpn:true,
  service:"Apple Private Relay"
}

172.225.42.1352.56.188.342.58.56.9331.171.155.210

Accurate Anonymity Detection

Get actionable privacy context for every IP address. Our proprietary evidence-based methodology flags known anonymizers and hosting infrastructure through active measurement, including VPN and proxy exit node behavior, revealing when traffic may be cloaked or untrustworthy.

Unparalleled Accuracy

Our continuously updated database ensures the highest level of precision in identifying privacy-enhancing technologies.

Comprehensive Coverage

Covers VPNs, proxies, Tor exit nodes, relays, and hosting providers.

Easy Integration

Simple REST API with clear documentation and support for multiple programming languages.

Built for rapid, accurate development

Sample Response

APIDatabase Download

$curl https://api.ipinfo.io/lookup/77.111.244.37?token=$TOKEN

{
  anonymous:{
    name:"operaproxy",
    is_proxy:true,
    is_relay:false,
    is_tor:false,
    is_vpn:true
  },
  is_anonymous:true,
  is_anycast:false,
  is_hosting:true
}

Dev Notes

Going to be developing with our data? Here's the main things you may want to know:

  • One-line setup via curl, fetch, or SDK
  • Multi-language SDKs (Node.js, Python, Go, PHP, Java...)
  • Real-time JSON, ~100ms average latency
  • Optional integrations (API, DBs, Snowflake, GCP, Splunk)
  • Trusted by Microsoft, WordPress, and 1000s of dev team
  • Fresh, reliable data with 99.99% uptime, updated daily

Fast and Easy API Access

Gain access to our best-in-class data. Setup takes just a few minutes.

  • 50-200 ms response time on average
  • 99.999% uptime
  • Data updates every 24 hours
  • Bank grade security

Custom database download

Leverage raw IP datasets, customize your data feeds, and choose your ideal format.

  • Customizable fields
  • Data updates every 24 hours
  • Bank grade security

Need deeper VPN and proxy insights?

Our Privacy Extended dataset offers over 20 additional attributes designed to reduce false positives and give you more granular detection.

What sets us apart from other industry leaders?

We connect to services directly, analyze handshakes, scan protocols, and verify exit node behavior. Every signal is based on direct observation, which means fewer false positives and higher confidence.

How to get our Privacy Detection data

Compare features across IPinfo's IP privacy detection products. From a privacy detection boolean flag to provider identification, choose what best fits your use case.

Key feature IPinfo Lite IPinfo Core IPinfo Plus IPinfo Max Enterprise
Privacy detection
Discover if an IP address is associated with a privacy-enhancing technology like a VPN, proxy, Tor, or a relay
VPN detection
Discover if an IP address is associated with a VPN service
Proxy detection
Discover if an IP address is associated with a proxy service
Hosting provider
Discover if an IP address is associated with a hosting provider
Last Seen
Date when the activity on an anonymous IP address was last observed
Residential proxy detection
Detection of residential proxy services that route traffic through real residential IP addresses

Why Accurate Privacy Data Matters

Effective privacy detection protects more than just infrastructure. It safeguards revenue, ensures compliance, and builds trust. With high-confidence data and broad network coverage, businesses can reliably identify cloaked traffic like VPNs, proxies, and Tor nodes, stop abuse, and tailor user access or content delivery accordingly.

How Customers Use Our Privacy Data

Privacy detection data powers everything from fraud prevention to compliance enforcement. With clear signals for VPNs, proxies, Tor, and hosting providers, teams can make faster, smarter decisions about user trust, risk, and access controls. Here’s how top companies put IPinfo’s privacy detection data to work:

  • Fraud Prevention

In the realm of fraud prevention, IPinfo's VPN detection API serves as a crucial first line of defense. By identifying connections coming from VPNs or proxies, businesses can flag potentially suspicious activities for further investigation.

  • AdTech

In the world of digital advertising, accurate user location and authenticity are crucial for effective targeting and fraud prevention.

  • Content Delivery

Content delivery networks (CDNs) and websites can leverage the privacy detection API to ensure they're serving the most relevant and optimized content to users.

  • Cyber Security

The VPN & proxy detection tool is valuable for enhancing threat intelligence.

  • E-Commerce

E-commerce platforms face constant threats from fraudsters attempting to take over user accounts and make unauthorized purchases.

  • GameTech

Obfuscating VPN technologies can provide unfair advantages.

  • Streaming Services

Streaming services often have complex licensing agreements that restrict content availability based on geographic regions.

Made for Developers, Trusted by Enterprises

Our expert in-house team diligently maintains and supports our Privacy Detection, ensuring you always have accurate, up-to-date IP data at your fingertips.

Rated #1 for IP Data Accuracy

[Bruce F.

IPinfo is my silent watchdog as it helps me in pinpointing risk, location & users in real-time](https://www.g2.com/products/ip-info-ipinfo/reviews/ipinfo-review-11256177)

Why Choose Us?

While many tools rely on outdated data, we utilize our proprietary ProbeNet technology for precise and reliable detection. This powerful methodology gives us the confidence to flag the hardest-to-detect traffic with an accuracy that others simply can't match.