Crown Audio -- Harmanm International

Any device whose MAC address begins with 00:0A:40 has a network interface built by Crown Audio -- Harmanm International. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:0A:40

Organization

Crown Audio -- Harmanm International

Address

1718 W. Mishawaka Rd Elkhart IN US 46517

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.