Physical Graph Corporation

Any device whose MAC address begins with D0:52:A8 has a network interface built by Physical Graph Corporation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

D0:52:A8

Organization

Physical Graph Corporation

Address

11654 Plaza America Drive Reston VA US 20190

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.