Using VB.NET is there a way to determine the IP address of a UDPClient that is sending data to another UDPClient? For example: If I have a client/server program and the clients send information to the server, is there a way for the server's listening UDPClient to get the IP information of the client that sent the data? I guess I could include IP information in the data that the clients send to differentiate them but I thought there was a way to do it using the UDPClient itself (RemoteIPEndpoint or something?). Any ideas?