Nabtesco Corporation

Any device whose MAC address begins with DC:05:ED has a network interface built by Nabtesco 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

DC:05:ED

Organization

Nabtesco Corporation

Address

9-18, Kaigan 1-chome Minato-ku Tokyo JP 105-0022

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.