Client Code

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Management;

namespace Client
{
    class Program
    {
        static void Main(string[] args)
        {
            const int Port = 4800;
            string serverIp = "?";

            //Get all addresses
            string hostname = System.Net.Dns.GetHostName();
            IPHostEntry allLocalNetworkAddresses = Dns.Resolve(hostname);

            //Walk thru all network interfaces.
            foreach (IPAddress ip in allLocalNetworkAddresses.AddressList)
            {
                Socket client = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);

                //Bind on port 0. The OS will give some port between 1025 and 5000.
                client.Bind(new IPEndPoint(ip, 0));

                //Create endpoint, broadcast.
                IPEndPoint AllEndPoint = new IPEndPoint(IPAddress.Broadcast, Port);

                //Allow sending broadcast messages
                client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, 1);

                //Send message to everyone on this network
                client.SendTo(new byte[] { 1 }, AllEndPoint);
                Console.Write("Client send '1' to " + AllEndPoint.ToString() + Environment.NewLine);

                try
                {
                    //Create object for the server.
                    IPEndPoint sender = new IPEndPoint(IPAddress.Any, 0);
                    EndPoint tempRemoteEP = (EndPoint)sender;
                    byte[] buffer = new byte[1000];

                    //Recieve from server. Don't wait more than 3000 milliseconds.
                    client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, 3000);

                    //Recive message, save wherefrom in tempRemoteIp
                    client.ReceiveFrom(buffer, ref tempRemoteEP);
                    Console.Write("Client got '" + buffer[0] + "' from " + tempRemoteEP.ToString() + Environment.NewLine);

                    //Get server IP (ugly)
                    serverIp = tempRemoteEP.ToString().Split(":".ToCharArray(), 2)[0];

                    //Don't try any more networkss
                    break;
                }
                catch
                {
                    //Timout. No server answered. Try next network.
                }
            }
            Console.Write("Service IP: " + serverIp + Environment.NewLine);

            try
            {

                ManagementObjectSearcher searcher =  new ManagementObjectSearcher("root\\CIMV2","SELECT * FROM Win32_Processor");

                foreach (ManagementObject queryObj in searcher.Get())
                {
                    Console.WriteLine("-----------------------------------");
                    Console.WriteLine("Win32_Processor instance");
                    Console.WriteLine("-----------------------------------");
                    Console.WriteLine("AddressWidth: {0}", queryObj["AddressWidth"]);
                    Console.WriteLine("Architecture: {0}", queryObj["Architecture"]);
                    Console.WriteLine("Availability: {0}", queryObj["Availability"]);
                    Console.WriteLine("Caption: {0}", queryObj["Caption"]);
                    Console.WriteLine("ConfigManagerErrorCode: {0}", queryObj["ConfigManagerErrorCode"]);
                    Console.WriteLine("ConfigManagerUserConfig: {0}", queryObj["ConfigManagerUserConfig"]);
                    Console.WriteLine("CpuStatus: {0}", queryObj["CpuStatus"]);
                    Console.WriteLine("CreationClassName: {0}", queryObj["CreationClassName"]);
                    Console.WriteLine("CurrentClockSpeed: {0}", queryObj["CurrentClockSpeed"]);
                    Console.WriteLine("CurrentVoltage: {0}", queryObj["CurrentVoltage"]);
                    Console.WriteLine("DataWidth: {0}", queryObj["DataWidth"]);
                    Console.WriteLine("Description: {0}", queryObj["Description"]);
                    Console.WriteLine("DeviceID: {0}", queryObj["DeviceID"]);
                    Console.WriteLine("ErrorCleared: {0}", queryObj["ErrorCleared"]);
                    Console.WriteLine("ErrorDescription: {0}", queryObj["ErrorDescription"]);
                    Console.WriteLine("ExtClock: {0}", queryObj["ExtClock"]);
                    Console.WriteLine("Family: {0}", queryObj["Family"]);
                    Console.WriteLine("InstallDate: {0}", queryObj["InstallDate"]);
                    Console.WriteLine("L2CacheSize: {0}", queryObj["L2CacheSize"]);
                    Console.WriteLine("L2CacheSpeed: {0}", queryObj["L2CacheSpeed"]);
                    Console.WriteLine("L3CacheSize: {0}", queryObj["L3CacheSize"]);
                    Console.WriteLine("L3CacheSpeed: {0}", queryObj["L3CacheSpeed"]);
                    Console.WriteLine("LastErrorCode: {0}", queryObj["LastErrorCode"]);
                    Console.WriteLine("Level: {0}", queryObj["Level"]);
                    Console.WriteLine("LoadPercentage: {0}", queryObj["LoadPercentage"]);
                    Console.WriteLine("Manufacturer: {0}", queryObj["Manufacturer"]);
                    Console.WriteLine("MaxClockSpeed: {0}", queryObj["MaxClockSpeed"]);
                    Console.WriteLine("Name: {0}", queryObj["Name"]);
                    Console.WriteLine("NumberOfCores: {0}", queryObj["NumberOfCores"]);
                    Console.WriteLine("NumberOfLogicalProcessors: {0}", queryObj["NumberOfLogicalProcessors"]);
                    Console.WriteLine("OtherFamilyDescription: {0}", queryObj["OtherFamilyDescription"]);
                    Console.WriteLine("PNPDeviceID: {0}", queryObj["PNPDeviceID"]);

                    if (queryObj["PowerManagementCapabilities"] == null)
                        Console.WriteLine("PowerManagementCapabilities: {0}", queryObj["PowerManagementCapabilities"]);
                    else
                    {
                        UInt16[] arrPowerManagementCapabilities = (UInt16[])(queryObj["PowerManagementCapabilities"]);
                        foreach (UInt16 arrValue in arrPowerManagementCapabilities)
                        {
                            Console.WriteLine("PowerManagementCapabilities: {0}", arrValue);
                        }
                    }
                    Console.WriteLine("PowerManagementSupported: {0}", queryObj["PowerManagementSupported"]);
                    Console.WriteLine("ProcessorId: {0}", queryObj["ProcessorId"]);
                    Console.WriteLine("ProcessorType: {0}", queryObj["ProcessorType"]);
                    Console.WriteLine("Revision: {0}", queryObj["Revision"]);
                    Console.WriteLine("Role: {0}", queryObj["Role"]);
                    Console.WriteLine("SecondLevelAddressTranslationExtensions: {0}", queryObj["SecondLevelAddressTranslationExtensions"]);
                    Console.WriteLine("SocketDesignation: {0}", queryObj["SocketDesignation"]);
                    Console.WriteLine("Status: {0}", queryObj["Status"]);
                    Console.WriteLine("StatusInfo: {0}", queryObj["StatusInfo"]);
                    Console.WriteLine("Stepping: {0}", queryObj["Stepping"]);
                    Console.WriteLine("SystemCreationClassName: {0}", queryObj["SystemCreationClassName"]);
                    Console.WriteLine("SystemName: {0}", queryObj["SystemName"]);
                    Console.WriteLine("UniqueId: {0}", queryObj["UniqueId"]);
                    Console.WriteLine("UpgradeMethod: {0}", queryObj["UpgradeMethod"]);
                    Console.WriteLine("Version: {0}", queryObj["Version"]);
                    Console.WriteLine("VirtualizationFirmwareEnabled: {0}", queryObj["VirtualizationFirmwareEnabled"]);
                    Console.WriteLine("VMMonitorModeExtensions: {0}", queryObj["VMMonitorModeExtensions"]);
                    Console.WriteLine("VoltageCaps: {0}", queryObj["VoltageCaps"]);
                }

            }
            catch (ManagementException e)
            {
                Console.WriteLine("An error occurred while querying for WMI data: " + e.Message);
            }

            Console.WriteLine();
            Console.ReadKey();
        }
    }
}