const request = require('request');
request('https://ip-ranges.amazonaws.com/ip-ranges.json', function (error, response, body) {
var arr = JSON.parse(body),
ips = [];
arr["prefixes"].forEach(function (x) {
if (x["service"] == "CLOUDFRONT") {
ips.push(x["ip_prefix"])
}
})
arr["ipv6_prefixes"].forEach(function (x) {
if (x["service"] == "CLOUDFRONT") {
ips.push(x["ipv6_prefix"])
}
})
console.log(JSON.stringify(ips));
});