how can i know my real IP address?

Question

how can i know my real IP address? i connect to the internet throw a LAN and my local IP in the LAN is 10.0.0.5 when i try the following code i get my local IP IPHostEntry iphstenry = Dns.GetHostByName(Dns.GetHostName()); IPAddress []ipadrsslst = iphstenry.AddressList; for(int i=0;i