using System;
using System.Net;
using System.Net.Sockets;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
IPHostEntry host;
host = Dns.GetHostEntry(Dns.GetHostName());
foreach (IPAddress IP in host.AddressList)
{
if (IP.AddressFamily == AddressFamily.InterNetwork)
{
Console.WriteLine(IP.ToString());
break;
}
}
}
}
}