IPAddress类

using System.Net;



IPAddress ad1=IPAddress.Parse("192.168.1.1");  //ip为192.168.1.1的地址

IPAddress ad2=IPAddress.Loopback;　　//127.0.0.1

IPAddress ad3=IPAddress.Broadcast;　　//255.255.255.255

IPAddress ad4=IPAddress.None;　　//255.255.255.255

IPAddress ad5=IPAddress.Any;　　//0.0.0.0

IPAddress local=Dns.GetHostByName(Dns.GetHostName()).AddressList[0];//本机ip