Wireless Technologies, Inc

Any device whose MAC address begins with 00:09:42 has a network interface built by Wireless Technologies, Inc. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:09:42

Organization

Wireless Technologies, Inc

Address

Ohmori Mitsubishi Bldg., 7F, Sannoh 2-chome Tokyo JP 143-0023

Source

IEEE OUI registry

Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.