Curvalux

Any device whose MAC address begins with 40:9C:A6 has a network interface built by Curvalux. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

40:9C:A6

Organization

Curvalux

Address

Electric Works, 3 Concourse Way, Sheffield GB S1 2BJ

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.