WNC Corporation

Any device whose MAC address begins with 30:14:4A has a network interface built by WNC Corporation. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

30:14:4A

Organization

WNC Corporation

Address

20 Park Avenue II, Hsin Science Park, Hsinchu 308, Taiwan HsinChu Taiwan TW 308

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.