Find IP Address from C#

Get IP Address from C# of visited your on your website.

        public static string GetIPAddress()
        {
            try
            {
                string strHostName = "";
                strHostName = System.Net.Dns.GetHostName();
                IPHostEntry ipEntry = System.Net.Dns.GetHostEntry(strHostName);
                IPAddress[] addr = ipEntry.AddressList;
                return addr[addr.Length - 1].ToString();
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
                return null;
            }
        }