Proxy Checker

Detect a Proxy from an IP

Enter an IP to check whether it is a proxy, what type it is, and how confident the verdict is — then automate the same check through the API.

Overview

How to detect a proxy from an IP address

To detect a proxy from an IP you check whether the address is relaying traffic on behalf of someone else. That means testing for open proxy endpoints, matching against residential and datacenter proxy pools, correlating with the Tor exit list, and inspecting forwarding headers and timing. The proxy checker above runs these checks instantly and returns the proxy type and a confidence score.

Signals

What the proxy check looks at

Proxies leave several traces — the verdict weighs all of them.

Open proxy endpoints

Exposed HTTP/HTTPS and SOCKS proxy services on the IP.

Pool membership

Presence in residential or datacenter proxy provider pools.

Tor correlation

Match against the live Tor exit-node list.

Forwarding headers

Headers that reveal relayed or chained requests.

ASN context

Hosting vs. residential ownership of the range.

Type & score

A clear proxy type label plus a 0–100 confidence value.

Use cases

Where this helps

Forms & checkout

Add friction when a request comes through a proxy.

Comment & review spam

Block proxied spam at the source.

Geo enforcement

Stop proxy-based circumvention of regional rules.

Security investigation

Quickly triage a suspicious IP during an incident.

FAQ

Frequently asked questions

Paste the IP into the checker above. It tests for open proxies, pool membership, Tor and header anomalies, then returns the proxy type and a confidence score.

Por qué elegir IPScanner

La confianza de miles de empresas en todo el mundo para ofrecer inteligencia de IP fiable

Precisión líder en el sector

Nuestra detección impulsada por IA alcanza una precisión del 99,8 %, superando con creces a los métodos tradicionales.

Rendimiento de nivel empresarial

Diseñado para escalar con gran fiabilidad y un SLA de disponibilidad del 99,99 % para aplicaciones críticas del negocio.

Cobertura integral

Mantenemos la mayor base de datos de servicios VPN, proxies y anonimizadores con actualizaciones diarias.

Integración sencilla

Una API REST fácil de usar para todos los principales lenguajes de programación y frameworks.

Comunicación transparente

Documentación clara y actualizaciones periódicas sobre nuestras capacidades de detección y mejoras.

Soporte experto

Un equipo de soporte técnico dedicado con amplia experiencia en inteligencia de IP y ciberseguridad.

Confían en nosotros
Dartmouth College
Algolia
DigitalOcean
Wix