Advanced Photonics, Inc.

Any device whose MAC address begins with B8:DA:F7 has a network interface built by Advanced Photonics, 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

B8:DA:F7

Organization

Advanced Photonics, Inc.

Address

the University of Tokyo, CCR507 Meguro-ku Tokyo JP 153-8904

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.