Get Ip Address from Local Machine

String strHostName;

// Getting Ip address of local machine...
// First get the host name of local machine.

strHostName = DNS.GetHostName ();
Response.Write ("Local Machine's Host Name: " + strHostName);

// Then using host name, get the IP address list..
IPHostEntry ipEntry = DNS.GetHostByName (strHostName);
IPAddress [] addr = ipEntry.AddressList;
for (int i = 0; i < addr.Length; i++)
{
Response.Write("IP Address {0}: {1} " addr[i].ToString ());
}