T&D Corporation

Any device whose MAC address begins with 00:0D:8B has a network interface built by T&D 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

00:0D:8B

Organization

T&D Corporation

Address

5652-169 Sasaga Matsumoto Nagano JP 399-0033

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.