REALTEK SEMICONDUCTOR CORP.

Any device whose MAC address begins with FC:93:4E has a network interface built by REALTEK SEMICONDUCTOR CORP.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

FC:93:4E

Organization

REALTEK SEMICONDUCTOR CORP.

Address

1F, NO. 11, INDUSTRY E. RD. IX HSINCHU 300 TW

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.