在win2k下
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\{6FC69962-9926-432B-8A2B-E203EFAC3AE9}
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\{6FC69962-9926-432B-8A2B-E203EFAC3AE9}
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Class\NetTrans
0000中的DefaultGateway为当前网络的网关地址.