Network C#

using System;
using System.Net;
using System.IO;
using System.Windows.Forms;
namespace PeeIRC
{
    class Utils
    {
        public static uint IpToUint(IPAddress ip)
        {
            uint uip = (uint)ip.Address; //TODO try use ip.GetAddressBytes instead
            //fix endianess from network
            if (BitConverter.IsLittleEndian)
            {
                byte[] bytes = BitConverter.GetBytes(uip);
                uip = (uint)((bytes[0] << 24) | (bytes[1] << 16) | (bytes[2] << 8) | bytes[3]);
            }
            return uip;
        }
        public static IPAddress UintToIP(uint ip)
        {
            //fix endianess from network
            if (BitConverter.IsLittleEndian)
            {
                ip = ((ip << 24) & 0xFF000000) + ((ip << 8) & 0x00FF0000) + ((ip >> 8) & 0x0000FF00) + ((ip >> 24) & 0x000000FF);
            }
            return new System.Net.IPAddress(ip);
        }
    }
}