Synaptics, Inc

Any device whose MAC address begins with 80:01:5C has a network interface built by Synaptics, 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

80:01:5C

Organization

Synaptics, Inc

Address

1251 McKay Dr. San Jose CA US CA 95131

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.