Blog
A lot of weak "IP geolocation data" is just a WHOIS guess dressed up with marketing. Here is how we actually build ours, layer by layer, from registry data and geofeeds to active measurement and verification, and how accurate it really is.
Guides
A regional internet registry (RIR) hands out the IP addresses and AS numbers a region runs on. Here are the five RIRs, where each one operates, how IANA and LIRs fit around them, and why the answer shows up every time you run a WHOIS lookup.
Tutorials
Get IP geolocation in JavaScript the right way: the official SDK in Node.js, the correct browser pattern without exposing your key, the visitor's real IP via Express and Next.js, and the location, time zone, currency, ASN, VPN, proxy and threat data the API returns.
Guides
The real client IP is easy to get wrong behind a proxy or CDN. Here is how X-Forwarded-For, X-Real-IP, and CF-Connecting-IP work, which one to trust in each setup, and how to read the real IP without getting spoofed.
Tutorials
Get IP geolocation in PHP with the official IPGeolocation.io library: install with Composer, run your first lookup, and read the real visitor IP in vanilla PHP and Laravel. Links to optional VPN/proxy, abuse contact, and bulk lookups on paid plans.
Tutorials
Get IP geolocation in Python with the official IPGeolocation.io library: single lookups, async requests, and real visitor IP handling in Flask and FastAPI, plus optional bulk lookup and VPN/proxy detection examples.