Calyptech Pty Ltd

Any device whose MAC address begins with 00:1B:9F has a network interface built by Calyptech 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

00:1B:9F

Organization

Calyptech Pty Ltd

Address

5/486 Lower Heidelberg Road Heidelberg Victoria AU 3084

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.