GoKawiilHow WorldIP.io works
WorldIP.io merges three authoritative IPv4 datasets — MaxMind GeoLite2 for city-level geolocation, RIR delegation files (ARIN, RIPE, APNIC, LACNIC, AfriNIC) for allocation ownership, and Team Cymru for ASN-to-organization mapping.
Every IPv4 address gets its own deep-linkable URL. When you visit /1.1.1.1, we look up the range containing that IP, show the owner (Cloudflare), the ASN (AS13335), the BGP-routed prefix, the MaxMind geolocation, the reverse DNS record, and the 16 neighboring IPs in the same /24 — all cross-linked.
Data refreshes weekly from MaxMind. Learn more on our data sources page or browse the FAQ.