BUFFALO.INC

Any device whose MAC address begins with 74:03:BD has a network interface built by BUFFALO.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

74:03:BD

Organization

BUFFALO.INC

Address

AKAMONDORI Bldg, 30-20, Ohsu 3-chome, Minami-ku, Nagoya Aichi Pref. JP 457-8520

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.