iiNet Labs Pty Ltd

Any device whose MAC address begins with 78:A0:51 has a network interface built by iiNet Labs 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

78:A0:51

Organization

iiNet Labs Pty Ltd

Address

Level 1 Subiaco WA AU 6008

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.