Environmental Systems and Services

Any device whose MAC address begins with 00:0B:22 has a network interface built by Environmental Systems and Services. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:0B:22

Organization

Environmental Systems and Services

Address

20 Council Street Hawthorn East Victoria AU 3123

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.