IPinfo

ipify is a service offering a suite of APIs for public IP address lookup, geolocation, VPN detection, and proxy detection. It provides reliable and accurate IP data, allowing developers to integrate location-based services, security measures, and network analytics into their applications. ipify's APIs are designed for high performance and easy integration, supporting a wide range of use cases.

dbip is a geolocation API and database.

ipdata is a JSON IP Address Geolocation API that allows developers to lookup the location of both IPv4 and IPv6 addresses. It provides detailed geolocation data, including country, city, and coordinates, as well as information on ASN, ISP, and time zone. ipdata's API is designed for easy integration and supports various applications, from content personalization to fraud prevention.

Geo Targetly is a website geo personalisation software.

ip-api is a service that provides IP address geolocation data, including detailed information about the IP's country, region, city, and ISP. It offers a simple API for integrating geolocation capabilities into web and mobile applications, enabling developers to customize user experiences based on location data and enhance security by detecting suspicious activity.