# Checkers & live demos

By Michael Delgado. Links reviewed October 21, 2026.

Open 10 vendor checkers and demos for browser identity, VPN, proxy and IP risk. Compare what each test shows, access limits and the scope of its results.

## ShieldLabs: Browser & session demo

Compare the visible device and visitor identifiers, network signals and visit risk score in a regular browser, a private window and with a VPN connected.

Access & scope: The demo runs on your visit when opened. Results describe that visit; a score is not a verdict about a person.

[Run Anonymity Checker](https://demo.shieldlabs.ai/anonymity-checker)

## Fingerprint: Browser & checkout demo

Repeat the regional-pricing action before and after connecting to a VPN with an exit in another location. Inspect how the demonstration responds.

Access & scope: An interactive demonstration of one workflow. It does not establish production detection accuracy or cover every VPN exit.

[Try VPN detection demo](https://demo.fingerprint.com/vpn-detection)

## IPQualityScore: Public VPN / IP checker

Use the dedicated VPN / IP lookup to inspect an exit address, then compare the returned network classification with another connection.

Access & scope: A security block prevented inspection in our automated browser on October 21, 2026. Access may require a normal browser or verification; current results and limits were not confirmed.

[Open VPN / IP checker](https://www.ipqualityscore.com/vpn-ip-address-check)

## IPinfo: IP & anonymization lookup

Compare the public IP, ASN, location and available anonymization flags after changing your connection.

Access & scope: The public page shows network information. Some provider details and evidence require login or a plan.

[Open IPinfo lookup](https://ipinfo.io/what-is-my-ip)

## MaxMind: GeoIP web-service preview

Inspect the previewed location, network and IP-intelligence fields for an address. Check which fields the specific demo exposes.

Access & scope: A limited product preview. Do not assume every paid database field or production web-service entitlement is included.

[Open GeoIP demo](https://www.maxmind.com/en/geoip-web-services-demo)

## proxycheck.io: IP classification lookup

Inspect the lookup summary, hosting / proxy / VPN flags, risk score and detection history for the same exit at the same time.

Access & scope: The public lookup can resolve the visiting IP automatically. Website and API usage limits are separate.

[Open proxycheck.io lookup](https://proxycheck.io/lookup/)

## vpnapi.io: VPN detection test

Check the current or entered IP and record the VPN classification, then repeat after reconnecting.

Access & scope: The test prepopulates the visiting IP. Public testing availability does not establish production API quotas.

[Open VPN detection test](https://vpnapi.io/vpn-detection)

## IPHub: Guest IP lookup

Compare the IP classification and available proxy-type fields. Separate a missing or gated field from a negative detection.

Access & scope: The guest interface requires human verification in some sessions. Residential-proxy detail has separate limits and Pro access conditions.

[Open IPHub lookup](https://iphub.info/)

## IP2Location / IP2Proxy: Location & proxy lookup

Inspect the exit location, network information and available proxy-classification fields. Keep the dataset or package name alongside the result.

Access & scope: The public demo combines a selection of product data. Its output does not grant access to every commercial database package.

[Open IP2Location demo](https://www.ip2location.com/demo)

## Abstract API: Public VPN detector

Use the VPN detector for an IP-level check and compare its output with the same address in other lookups.

Access & scope: Public tool credits and production API access have separate conditions. Check the provider page for the current allowance.

[Open VPN detector](https://www.abstractapi.com/tools/vpn-detector)

## FAQ

### Does Protect Product run these checks?

This page is a directory. A test opens on the provider’s own website, which controls the check, data collection and available fields. No third-party checker is embedded here.

### Can a public demo prove that a fraud tool is accurate?

No. A demonstration shows the output for a limited scenario. Assess a candidate on a representative labeled traffic sample, including legitimate users, missing responses and the cost of false positives.

### Why can two checkers disagree about the same IP?

Providers can use different datasets, refresh cycles, definitions and signals. Record the exact exit IP, time and field names before comparing. A browser-level result also has a different scope from an IP lookup.

### Is a VPN or proxy result evidence of fraud?

A network classification alone does not establish abuse. Legitimate users also use privacy tools, shared networks and corporate VPNs. Combine the signal with the account event and offer a recovery path before taking action.