$ curl ifconfig.jeanfarrugia.net 216.73.216.40 $ wget -qO- ifconfig.jeanfarrugia.net 216.73.216.40
$ curl ifconfig.jeanfarrugia.net/json
{
"ip": "216.73.216.40",
"continent": "NA",
"country": "US",
"city": "Columbus",
"latitude": "39.96118",
"longitude": "-82.99879"
}
Setting the Accept: application/json header also works as expected.