Network tools

IP address

What is my IP address?

Public IP, geolocation, ISP and ASN at a glance.

Open tool Speed

Internet speed test

Download, upload, latency and jitter from your browser.

Open tool Fingerprint

Browser info

What your device reveals to every site: screen, language, WebRTC…

Open tool Network

Subnet calculator

Network address, broadcast and host range from an IPv4 CIDR.

Open tool Registries

WHOIS / RDAP

Who manages an IP or a domain: registry, range, contacts.

Open tool