C# 자신의 IP 및 MAC ADRESS 확인하기

        public static string GetMyIP()
        {
            IPHostEntry host = Dns.GetHostEntry(Dns.GetHostName());
            string myip = string.Empty;
            foreach (IPAddress ia in host.AddressList)
            {
                if (ia.AddressFamily == AddressFamily.InterNetwork)
                {
                    myip = ia.ToString();break; 
                }
            }
            return myip;
        }
 
        private static string GetMacAddress(string ip)
        {
            string macAddress = null;
            System.Management.ObjectQuery query = new System.Management.ObjectQuery("SELECT * FROM Win32_NetworkAdapterConfiguration WHERE IPEnabled='TRUE'");
            System.Management.ManagementObjectSearcher searcher = new System.Management.ManagementObjectSearcher(query);
            foreach (System.Management.ManagementObject obj in searcher.Get())
            {
                string[] ipAddress = (string[])obj["IPAddress"];
                if (ipAddress[0] == ip && obj["MACAddress"] != null)
                {
                    macAddress = obj["MACAddress"].ToString(); break;
                }
            }
            return macAddress;
        }