Fastest IP for you!

index.js

const exec = require('child_process').exec;

const ping = (ip) => {
  return new Promise((resolve, reject) => {
    exec(`ping ${ip}`, (err, stdout, stderr) => {
      if (err) {
        reject(err);
        return;
      }
      resolve({ip, stdout});
    });
  });
}

var ips = `
  8.7.198.45
  203.98.7.65
  54.192.72.90
  46.82.174.68
  59.24.3.173
  54.192.72.87`.split(/\s{1,}/g).filter((ip) => ip.length > 0);

Promise.race(ips.map((ip) => ping(ip))).then(({ip, stdout}) => {
  console.log(`${ip} is best`);
  console.log(stdout)
}).catch((e) => {
  console.log(e);
})