National Products Inc.

Any device whose MAC address begins with DC:05:2F has a network interface built by National Products Inc.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

DC:05:2F

Organization

National Products Inc.

Address

8410 Dallas Ave S. Seattle WA US 98108

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.