KST technology

Any device whose MAC address begins with 4C:AB:33 has a network interface built by KST technology. 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:AB:33

Organization

KST technology

Address

Bangi-dong, songpa-gu Seoul KR 138-050

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.