Techno Design Co., Ltd.

Any device whose MAC address begins with 00:23:8D has a network interface built by Techno Design Co., Ltd.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:23:8D

Organization

Techno Design Co., Ltd.

Address

312-2 Aso-gun Kumamoto-ken JP 861-2401

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.