static byte[] ConvertToBit(Int32 value)
    {
        byte[] array = BitConverter.GetBytes(value);
        if (!BitConverter.IsLittleEndian)
        {
            Array.Reverse(array);
        }
        return array;
    }

static void Main(string[] args)
    {
        TcpListener tcpListener = new TcpListener(IPAddress.Any, 23);
        tcpListener.Start();

        Int32 value = 35004; // 88BC -- 0xBC 0x88, 0x00, 0x00
        byte[] bytesToSend = ConvertToBit(value); // 18813600

        bytesToSend.ToList().ForEach(b => Console.Write(b));
        Console.WriteLine(); // Space

        using (TcpClient tcpClient = new TcpClient("127.0.0.1", 23))
        {
            using (NetworkStream networkStream = tcpClient.GetStream())
            {
                using (BinaryWriter bw = new BinaryWriter(networkStream))
                {
                    bw.Write(bytesToSend);
                }
            }
        }

        using (NetworkStream ns = new NetworkStream(tcpListener.AcceptSocket()))
        {
            using (BinaryReader br = new BinaryReader(ns))
            {
                Console.WriteLine(br.Read());
            }
        }
        Console.ReadKey();
    }