NEC Australia Pty Ltd

Any device whose MAC address begins with 00:22:77 has a network interface built by NEC Australia 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

00:22:77

Organization

NEC Australia Pty Ltd

Address

649-655 Springvale Rd Mulgrave Victoria AU 3170

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.