1394 PRINTER WORKING GROUP

Any device whose MAC address begins with 00:50:29 has a network interface built by 1394 PRINTER WORKING GROUP. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:50:29

Organization

1394 PRINTER WORKING GROUP

Address

P.O. BOX 23158 SAN JOSE CA US 95153

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.