open regedit and check
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Adapters

there is adapter key which then can be found in
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\\Parameters\Tcpip

and there are the values, easy?
also
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters

should contain the info, but if I recall correctly, changing values there will not affect.
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