Ho to find IP Address detail through Registry

TCP/IP configuration information for each network adapter on machine is stored in the Registry.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters

or

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\ID For Adapter

There may be several interfaces listed. Just start clicking, and you'll find the correct interface. The IP address, as well as any other static network information (subnet mask, default gateway, etc)