Logitech

Any device whose MAC address begins with 44:73:D6 has a network interface built by Logitech. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

44:73:D6

Organization

Logitech

Address

7700 Gateway Blvd Newark CA US 94560

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.