David Clark Company

Any device whose MAC address begins with 50:A6:E3 has a network interface built by David Clark Company. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

50:A6:E3

Organization

David Clark Company

Address

360 Franklin St. Worcester MA US 01615

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.