Atamo Pty Ltd

Any device whose MAC address begins with 54:11:5F has a network interface built by Atamo Pty 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

54:11:5F

Organization

Atamo Pty Ltd

Address

21 River Road Bayswater WA AU 6156

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.