Ava Security Limited

Any device whose MAC address begins with D0:3D:52 has a network interface built by Ava Security Limited. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

D0:3D:52

Organization

Ava Security Limited

Address

The Charter Building, Charter Place Uxbridge GB UB8 1JG

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.