using System;

using System.Collections.Generic;

using System.Net.NetworkInformation;

public class MyClass

{

    public static void Main()

    {

        //Host Info

        IPGlobalProperties  ipProp = IPGlobalProperties.GetIPGlobalProperties();

        string hostInfo =

            string.Format("Host Name:{0}\nDomain Name:{1}\n\n",ipProp.HostName,ipProp.DomainName);

        //statistics

        IPGlobalStatistics ipStat = ipProp.GetIPv4GlobalStatistics();

        TcpConnectionInformation[] tcpConns = ipProp.GetActiveTcpConnections();

        string stat="";

        foreach(TcpConnectionInformation info in tcpConns)

            stat += string.Format("localhost:{0}\t{1}:{2}\tstate:{3}", info.LocalEndPoint.Port,

            info.RemoteEndPoint.Address,info.RemoteEndPoint.Port, info.State);

        //Network Interface

        string niInfo="";

        NetworkInterface[] nis = NetworkInterface.GetAllNetworkInterfaces();

        foreach(NetworkInterface ni in nis)

            niInfo += string.Format("\n\nName:{0}\nStatus:{1}\nSpeed:{2}\nMAC:{3}",

            ni.Name,ni.OperationalStatus,ni.Speed,ni.GetPhysicalAddress());

        System.Windows.Forms.MessageBox.Show(hostInfo + niInfo);

        System.Windows.Forms.MessageBox.Show(stat);

        Console.ReadKey();

    }

}