HIGHTECH

Any device whose MAC address begins with 4C:33:4E has a network interface built by HIGHTECH. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

4C:33:4E

Organization

HIGHTECH

Address

No202.gsif, 4 Gyeonggang-ro 2326 beon-gil Gangneung-si Gangwon-do KR 25570

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.