Plasma Cloud Limited

Any device whose MAC address begins with 54:9C:27 has a network interface built by Plasma Cloud Limited. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

54:9C:27

Organization

Plasma Cloud Limited

Address

5/F, Yat Chau Building, 262 Des Voeux Road Central Hong Kong HK NA

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.