MyCasa Network Inc.

Any device whose MAC address begins with 00:09:84 has a network interface built by MyCasa Network Inc.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:09:84

Organization

MyCasa Network Inc.

Address

200 Sheridan Ave #103 Palo Alto CA US 94306

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.