ipdata.co - Get the Geolocation, Organisation, Currency, Timezone, Calling Code, Flag, Proxy, Tor and Threat intelligence data from any IPv4 or IPv6 address.
ipgeolocation.io - Free IP Geolocation API and Accurate GeoIP Lookup Location Database
ipinfo.io - Simple IP address information.
ipstack - ipstack is a free, real-time IP address to location JSON API and database service supporting IPv4 and IPv6 lookup.
Flagfox - Flagfox is a Firefox extension that displays a flag depicting the location of the current websites...
ipapi - Web analytics with IP address lookup and location API