using System;
using System.Net.NetworkInformation;
public class Program {
   public static void Main() {
     IPGlobalProperties ipProp=IPGlobalProperties.GetIPGlobalProperties();
     IPGlobalStatistics ipStat = ipProp.GetIPv4GlobalStatistics();
     Console.WriteLine("Host name:" + ipProp.HostName );
     Console.WriteLine("Domain name:" + ipProp.DomainName );
     Console.WriteLine("IPv4 # packets received:"+ipStat.ReceivedPackets);
     Console.WriteLine("IPv4 # packets sent:"+ipStat.OutputPacketRequests);
     TcpConnectionInformation[] tcpConns= ipProp.GetActiveTcpConnections();
     foreach (TcpConnectionInformation tcpConn in tcpConns) {
        Console.WriteLine( "localhost:{0} <-> {1}:{2} state:{3}", 
                           tcpConn.LocalEndPoint.Port,
                           tcpConn.RemoteEndPoint.Address.ToString(), 
                           tcpConn.RemoteEndPoint.Port, tcpConn.State);
      }
   }
}