Techno-Holon Corporation

Any device whose MAC address begins with 00:08:05 has a network interface built by Techno-Holon 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

00:08:05

Organization

Techno-Holon Corporation

Address

3-19-2, Takamatsu-cho Tokyo JP 190-0011

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.