Open http://geo.groupkt.com to know your IPV4 public IP address.
Open geo.groupkt.com/ip/<ip address>.htm e.g. http://geo.groupkt.com/ip/172.217.3.14.htm
http://geo.groupkt.com/<ip address>/json for example http://geo.groupkt.com/ip/172.217.3.14/json
Working on to optimize the performance.