TOYO DENKI SEIZO K.K.

Any device whose MAC address begins with 00:C0:50 has a network interface built by TOYO DENKI SEIZO K.K.. 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:C0:50

Organization

TOYO DENKI SEIZO K.K.

Address

4-6-32 HIGASHIKASHIWAGAYA KANAGAWA JAPAN JP 243-04

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.