4RF Communications Ltd

Any device whose MAC address begins with 00:22:B2 has a network interface built by 4RF Communications 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:B2

Organization

4RF Communications Ltd

Address

26 Glover Street Ngauranga Wellington NZ 6031

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.