Wireless Standard Extensions

Any device whose MAC address begins with 04:22:34 has a network interface built by Wireless Standard Extensions. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

04:22:34

Organization

Wireless Standard Extensions

Address

1322 Crossman avenue Sunnyvale California US 94089

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.