Free IP Location & ASN Lookup API

No Signup. No API Key. No Limits. Powered by IP.Scuffed.si API
Tip: Click The Values To Copy Them To Clipboard.

What is this?

A completely free IP geolocation and ASN lookup API. No signup, no API key, no rate limits, no cost. Look up any IPv4 address, IPv6 address, or domain name and get location and network data back as JSON.

API Usage

  • Detect your own IP: GET https://ip.scuffed.si/lookup
  • Look up an IPv4 address: GET https://ip.scuffed.si/lookup?ip=9.9.9.9
  • Look up an IPv6 address: GET https://ip.scuffed.si/lookup?ip=2620:fe::fe
  • Look up a domain: GET https://ip.scuffed.si/lookup?ip=example.com

Response Fields

Each lookup returns JSON with: ip, country_code, region, city, latitude, longitude, timezone, and asn (autonomous system number and organization name). Fields with no available data are omitted from the response.

Why use it?

  • Free forever: no accounts, no keys, no quotas, no rate limits
  • Fast: in-memory database with sub-millisecond lookups, served over HTTP/2 and HTTP/3
  • Full IPv4 and IPv6 support, plus domain-to-IP resolution
  • CORS enabled: call it directly from browser JavaScript
  • Simple REST API: one GET endpoint, plain JSON responses