Career Technologies USA

Any device whose MAC address begins with 84:A9:EA has a network interface built by Career Technologies USA. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

84:A9:EA

Organization

Career Technologies USA

Address

9134 Independence Ave Chatsworth CA US 91311

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.