Referencia: https://www.cnblogs.com/fangsmile/p/7307463.html
2) api.ipify.org
https://api.ipify.org/?format=jsonp&callback=getIP
1 <script type = "application / javascript"> 2 function getIP (json) { 3 document.write ("Mi dirección IP pública es:", json.ip); 4} 5 </script> 6 7 <script type = "application / javascript" src = "https://api.ipify.org?format=jsonp&callback=getIP"> </script>
o
1 $ .getJSON ('https://api.ipify.org?format=json', función (datos) { 2 console.log (data.ip); 3});