Intellisis

Any device whose MAC address begins with 80:A1:AB has a network interface built by Intellisis. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

80:A1:AB

Organization

Intellisis

Address

10350 Science Center Dr San Diego CA US 92121

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.