Wireless OnLine, Inc.

Any device whose MAC address begins with 00:90:CB has a network interface built by Wireless OnLine, 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

00:90:CB

Organization

Wireless OnLine, Inc.

Address

4410 EL CAMINO REAL, STE #101 LOS ALTOS CA US 94022

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.