NAKAYO Inc

Any device whose MAC address begins with 8C:3C:4A has a network interface built by NAKAYO 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

8C:3C:4A

Organization

NAKAYO Inc

Address

Development Support Center 165 Higashiomuro-machi Maebashi-shi Gunma JP 379-2105

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.