Totsu Engineering, Inc.

Any device whose MAC address begins with 00:02:BE has a network interface built by Totsu Engineering, 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

00:02:BE

Organization

Totsu Engineering, Inc.

Address

5-16-20 Roppongi Minato-ku Tokyo JP 106-8551

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.