WILLOWBROOK TECHNOLOGIES

Any device whose MAC address begins with 00:90:B4 has a network interface built by WILLOWBROOK TECHNOLOGIES. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:90:B4

Organization

WILLOWBROOK TECHNOLOGIES

Address

7120 HAYVENHURST AVE.-STE.#401 VAN NUYS CA US 91406

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.