PS1 | UDP Server

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading.Tasks;

namespace UDP
{
    class Server
    {
        public static void Main()
        {
            string strIpAddress;
            IPAddress IpAddress = null;
            Boolean tryAgain = true;
            drawMenu();

            while (tryAgain)
            {
                tryAgain = true;
                Console.Write("Enter multicast address: ");
                strIpAddress = Console.ReadLine();
                try
                {
                    IpAddress = IPAddress.Parse(strIpAddress);
                    if (!IsInRange(IpAddress))
                    {
                        Console.WriteLine("Wrong multicast address, try again.");
                        tryAgain = true;
                    }
                    else tryAgain = false;
                }
                catch (FormatException e)
                {
                    Console.WriteLine("Wrong IP address, try again.");
                    tryAgain = true;
                }
            }

            UdpClient client = new UdpClient();
            client.ExclusiveAddressUse = false;
            IPEndPoint localEp = new IPEndPoint(IPAddress.Any, 2222);
            client.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
            client.ExclusiveAddressUse = false;
            client.Client.Bind(localEp);
            client.JoinMulticastGroup(IpAddress);

            Console.WriteLine("Server started...\n\n");

            while (true)
            {
                Byte[] data = client.Receive(ref localEp);
                string strData = Encoding.Unicode.GetString(data);
                Console.WriteLine(strData);
            }
        }

        public static bool IsInRange(IPAddress address)
        {
            IPAddress lowerAddress = IPAddress.Parse("224.0.0.0");
            IPAddress higherAddress = IPAddress.Parse("239.255.255.255");
            byte[] lowerBytes = lowerAddress.GetAddressBytes();
            byte[] upperBytes = higherAddress.GetAddressBytes();
            byte[] addressBytes = address.GetAddressBytes();

            bool lower = true, higher = true;

            for (int i = 0; i < lowerBytes.Length && (lower || higher); i++)
            {
                if ((lower && addressBytes[i] < lowerBytes[i]) || (higher && addressBytes[i] > upperBytes[i]))
                    return false;

                lower &= (addressBytes[i] == lowerBytes[i]);
                higher &= (addressBytes[i] == upperBytes[i]);
            }

            return true;
        }

        public static void drawMenu()
        {
            Console.WriteLine("\n\t******************************");
            Console.WriteLine(  "\t*          UDP Server        *");
            Console.WriteLine(  "\t******************************\n");
        }

    }
}