Harman Multimedia

Any device whose MAC address begins with 00:19:50 has a network interface built by Harman Multimedia. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:19:50

Organization

Harman Multimedia

Address

8400 Balboa Blvd. Northridge CA US 91329

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.