Cortex Security Inc

Any device whose MAC address begins with FC:B5:77 has a network interface built by Cortex Security 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

FC:B5:77

Organization

Cortex Security Inc

Address

3350 Ulmerton Rd Suite 24 Clearwater FL US 33762

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.