An improved Go server at freegeoip.net (opens in new tab)

time curl -o /dev/null -s -w %{time_connect}:%{time_starttransfer}:%{time_total} freegeoip.net/csv/ 0.144:0.979:0.979

Some other provider... time curl -o /dev/null -s -w %{time_connect}:%{time_starttransfer}:%{time_total} ifconfig.me 5.775:10.084:10.084