Aetheros

Any device whose MAC address begins with 18:DF:C1 has a network interface built by Aetheros. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

18:DF:C1

Organization

Aetheros

Address

909 Montgomery Street, Suite 104 San Francisco US 94133

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.