ADDO-Japan Corporation

Any device whose MAC address begins with 00:0F:85 has a network interface built by ADDO-Japan Corporation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:0F:85

Organization

ADDO-Japan Corporation

Address

Shin Edobashi Bldg. 4F, 8-6 Nihombashi Kobuna-cho Chuo-ku Tokyo JP 103-0024

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.