using System;

using System.Net.NetworkInformation;

​

public class Program

{

    public static void Main()

    {

        ShowNetworkInterfaces();

    }

​

    public static void ShowNetworkInterfaces()

    {

        IPGlobalProperties computerProperties = IPGlobalProperties.GetIPGlobalProperties();

        NetworkInterface[] nics = NetworkInterface.GetAllNetworkInterfaces();

        Console.WriteLine("Interface information for {0}.{1}     ", computerProperties.HostName, computerProperties.DomainName);

        if (nics == null || nics.Length < 1)

        {

            Console.WriteLine("  No network interfaces found.");

            return;

        }

​

        Console.WriteLine("  Number of interfaces .................... : {0}", nics.Length);

        foreach (NetworkInterface adapter in nics)

        {

            IPInterfaceProperties properties = adapter.GetIPProperties(); //  .GetIPInterfaceProperties();

            Console.WriteLine();

            Console.WriteLine(adapter.Description);

            Console.WriteLine(String.Empty.PadLeft(adapter.Description.Length, '='));

            Console.WriteLine("  Interface type .......................... : {0}", adapter.NetworkInterfaceType);

            PhysicalAddress address = adapter.GetPhysicalAddress();

            Console.WriteLine(string.Format("ToString Address: {0}", address.ToString()));

            Console.Write("  Physical address ........................ : ");

            byte[] bytes = address.GetAddressBytes();

            for (int i = 0; i < bytes.Length; i++)

            {

                // Display the physical address in hexadecimal.

                Console.Write("{0}", bytes[i].ToString("X2"));

                // Insert a hyphen after each byte, unless we are at the end of the  

                // address. 

                if (i != bytes.Length - 1)

                {

                    Console.Write("-");

                }

            }

​

            Console.WriteLine();

        }

    }

}