Nuvolt

Any device whose MAC address begins with 44:3D:21 has a network interface built by Nuvolt. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

44:3D:21

Organization

Nuvolt

Address

8087 Boul. de la Rive Sud Levis Quebec CA G6V 9G9

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.