Discovery Com

Any device whose MAC address begins with 00:30:CA has a network interface built by Discovery Com. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:30:CA

Organization

Discovery Com

Address

4935 Century Street Huntsville AL US 35816

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.