Continuous asynchronous Ping using TAP and IProgress in C#5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.NetworkInformation;
using System.Text;
using System.Threading.Tasks;
using System.Threading;
using Network;
using Ping = Network.Ping;

namespace PingConsole
{
    class Program
    {
        static void Main(string[] args)
        {
            DoPing().Wait(); ;
            Console.WriteLine("All done");
            Console.Read();
        }

        private static async Task DoPing()
        {
            var Ips = Enumerable.Range(188, 2)
                .Select(nr => "192.168." + nr.ToString())
                .SelectMany(net => Enumerable.Range(0, 254).Select(nr => net + "." + nr.ToString()));

            var cts = new CancellationTokenSource();

            var tasks = Ips
                .Select(Network.Ping.ResolveAddress)
                .Select(ip => Ping.ContinuousPingAsync(ip, 500, 1000, new Progress<PingResult>(PrintResult), cts.Token));

            cts.CancelAfter(30000);

            await Task.WhenAll(tasks);
        }

        private static void PrintResult(PingResult result)
        {
            if (result.LastStatus == IPStatus.Success)
                Console.WriteLine("{0,-15}: ({1}/{2}) {3:fff}ms", result.Address, result.PingsSuccessfull, result.PingsTotal, result.AverageTime);
        }
    }
}