OPEN Networks Pty Ltd

Any device whose MAC address begins with 00:01:27 has a network interface built by OPEN Networks 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

00:01:27

Organization

OPEN Networks Pty Ltd

Address

Level 5, 342 Flinders Street Melbourne AU VIC 3000

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.