AddOn Computer

Any device whose MAC address begins with 44:D5:A5 has a network interface built by AddOn Computer. 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:D5:A5

Organization

AddOn Computer

Address

15775 Gateway cir tustin CA US 92780

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.