MAX-TECH,INC

Any device whose MAC address begins with 54:D1:63 has a network interface built by MAX-TECH,INC. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

54:D1:63

Organization

MAX-TECH,INC

Address

2F, 26, 2gil, Dujeonggongdan Cheonan Chungnam KR 331957

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.