ALPSALPINE CO,.LTD

Any device whose MAC address begins with 30:C3:D9 has a network interface built by ALPSALPINE CO,.LTD. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

30:C3:D9

Organization

ALPSALPINE CO,.LTD

Address

6-1 Kakuda Miyagi-Pref JP 981-1595

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.