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Free online IP address lookup tool. Find geolocation, ISP, organization, and proxy status for any IP address.
An IP (Internet Protocol) address is a unique numerical identifier assigned to every device connected to a computer network that uses the Internet Protocol. IP addresses serve two main functions: identifying the host or network interface, and providing the location of the device in the network. There are two versions in use: IPv4 (32-bit, e.g., 192.168.1.1) and IPv6 (128-bit, e.g., 2001:db8::1).
IP geolocation is the process of determining the geographic location of a device based on its IP address. While not as precise as GPS, IP geolocation can typically identify the country, region, city, and ISP with reasonable accuracy. This information is used for content localization, fraud detection, analytics, and compliance with regional regulations.
ISPs (Internet Service Providers) assign IP addresses to their customers from blocks allocated to them by regional internet registries. The organization associated with an IP address can often be identified, which reveals which company or institution operates that network. This information is useful for network diagnostics, security investigations, and understanding who is behind a particular IP.
Proxy detection identifies whether an IP address is likely to be a VPN, proxy, or Tor exit node. This is important for security applications — detecting fraudulent traffic, preventing credential stuffing, and identifying bots. While not 100% accurate, proxy detection helps distinguish legitimate users from automated or anonymized traffic.
This tool uses the ip-api.com service, which provides free IP geolocation data without requiring an API key. It includes information about the country, region, city, ISP, organization, AS number, and proxy/hosting detection. For privacy reasons, IP geolocation is approximate and should not be used for precise location tracking without user consent.
IP geolocation accuracy varies. Country-level accuracy is ~99%, region/state accuracy is ~80%, and city-level accuracy is ~60-70%. Mobile IPs and VPNs are less accurate. IP geolocation determines the location of the ISP's infrastructure, not necessarily the device's physical location.
No. IP geolocation typically identifies the location of the ISP's registered address or a central exchange point, not the physical device. It is not a substitute for GPS or address verification. The accuracy can range from a few miles to hundreds of miles depending on the ISP.
Common reasons include: diagnosing network issues, checking where website visitors come from, investigating suspicious login attempts, verifying VPN/proxy usage, configuring geo-restricted services, and debugging CDN or caching behavior.