Obtain the IP address of a device using the service provider's IP address

I am trying to obtain the local machine IP address of users who visit my website. Below is the code that I have used:

 string ipAddress = Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
                if (!string.IsNullOrEmpty(ipAddress))
                {
                    string[] addresses = ipAddress.Split(',');

                    if (addresses.Length != 0)
                    {
                        stradd = addresses[0];
                    }
                    else
                    {
                        stradd = ipAddress;
                    }
                }
                else
                {
                    stradd = Request.ServerVariables["REMOTE_ADDR"].ToString();
                }

                hostName = Dns.GetHostByAddress(stradd).HostName;

The above code retrieves the IP address and name of the service provider, but I actually want the local IP address of the user's device. Is it possible to retrieve the user's local IP address? Any help would be appreciated.

Answer №1

Sorry, it is not possible to obtain the private IP address of a device that is concealed behind NAT.

The router forwards the communication discreetly without revealing the internal IP address.

Answer №2

The IP address within your network is considered "local" and won't travel beyond the confines of your router. To transmit this information to a server, you'll have to employ locally-generated code.

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