PLANET System Co.,LTD

Any device whose MAC address begins with 00:12:FC has a network interface built by PLANET System 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

00:12:FC

Organization

PLANET System Co.,LTD

Address

4th Floor, Daehan B/D, 873-29, Seoul KR 137-064

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.