AltIP usage examples:
curl https://altip.gogeoip.com/222.165.163.91
..with prefix:
curl https://altip.gogeoip.com/222.165.163.91/http
Additional examples:
curl https://altip.gogeoip.com/google.com/http
curl https://altip.gogeoip.com/::ffff:7f00:1/http

Host it yourself, source code available at: https://github.com/Webklex/altip