About IP Geolocation
What is IP geolocation and why is it useful?
IP geolocation estimates the physical context of an IP address (city/region/country, ASN/organization, timezone). It helps with security triage (suspicious logins), fraud and abuse prevention, analytics, and region-aware experiences—without using GPS or device location.
How does this tool determine location?
It uses authoritative allocations (RIR data), BGP routing, ISP/netblock registrations, and curated datasets. Results show the network’s registered location or service PoP—not a street address.
How accurate is IP geolocation?
Country is typically accurate; region/city varies by provider and can be off—especially for mobile carriers, corporate NAT, CDN edges, VPN/proxies, and recently reassigned blocks. Coordinates represent an approximate centroid for the city/region.
Why might the location look wrong?
- VPN, proxy, or corporate gateway
- Mobile carrier NAT / CGNAT
- CDN or cloud PoP (nearest hub, not the user)
- Recently moved/reassigned IP blocks
What do these fields mean?
- IP — The queried IPv4/IPv6 address.
- City / Region / Country (+ Code) — Registered locality for the IP block.
- Latitude / Longitude — Approximate map point; not a precise device location.
- Org — Owning network or service (e.g., cloud provider, ISP).
- ASN — Autonomous System Number that routes the IP block (useful for allow/deny rules).
- Timezone — IANA timezone derived from the location.
- Postal — Often a carrier or hub ZIP/postcode; not a home/office address.
- Country Capital — Reference field; helpful for regional context.
Privacy & compliance
This tool does not identify a person. Data reflects network registration & routing and may be cached. Use responsibly and comply with local laws (e.g., GDPR/CCPA) when combining with other data.
Security use cases (on a budget)
- Flag logins from new countries or unfamiliar ASNs
- Rate-limit or challenge high-risk regions/ASNs
- Enrich server logs for faster incident response
- Create coarse geo rules (never rely on IP alone)
IPv4 vs IPv6 notes
IPv6 allocations can be newer and sometimes less granular by city. Many CDNs and mobile networks prioritize IPv6—expect location to reflect the nearest network hub.
Limitations & tips
- Don’t treat coordinates as exact—use city/region level decisions.
- Combine with device signals or 2FA for account defense.
- Cache results briefly to reduce API costs; invalidate on ASN/country change.
How to use this tool effectively
Enter an IP (or domain—we’ll resolve it). Review ASN + country first, then city/region for context. If something looks off, check for VPN/hosting footprints before acting.