using System;using System.Net;using System.Net.NetworkInformation;class Program{ static void Main(string[] args) { int count = 4; IPAddress addr = IPAddress.Parse("220.181.111.86"); Ping ping = new Ping(); long timeSum = 0; int succCount = 0; //发送 Console.WriteLine
("正在ping {0}", addr); for (int i = 0; i < count; ++i) { PingReply pr = ping.Send(addr); if (pr.Status == IPStatus.TimedOut) Console.WriteLine("超时"); else if (pr.Status == IPStatus.Success) { Console.WriteLine("延时：{0}毫秒", pr.RoundtripTime); ++succCount; timeSum += pr.RoundtripTime; } } if (timeSum != 0) Console.WriteLine("平均延时{0}毫秒，丢包率{1}%", 1.0 * timeSum / succCount, (count - succCount) * 100.0 / count); else Console.WriteLine("丢包率100%"); return; }}原文：http://www.cnblogs.com/harlen/p/4936347.html