Cybertec Pty Ltd

Any device whose MAC address begins with 00:20:DD has a network interface built by Cybertec 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

00:20:DD

Organization

Cybertec Pty Ltd

Address

Unit 11, 41 Higginbotham Road Gladesville NSW AU 2111

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.