GigaDevice Semiconductor Inc.

Any device whose MAC address begins with E0:05:1C has a network interface built by GigaDevice Semiconductor Inc.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

E0:05:1C

Organization

GigaDevice Semiconductor Inc.

Address

Building No. 8, IC Park, No. 9 Fenghao East Road, Haidian District Beijing CN 100094

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.