YOKOTE SEIKO CO., LTD.

Any device whose MAC address begins with 8C:D2:E9 has a network interface built by YOKOTE SEIKO 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

8C:D2:E9

Organization

YOKOTE SEIKO CO., LTD.

Address

10-18 Minami-Gosyono Yasumoto Yokote-City Akita JP 013-0811

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.