Shenzhen Giant Microelectronics Company Limited

Any device whose MAC address begins with B0:23:47 has a network interface built by Shenzhen Giant Microelectronics Company Limited. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

B0:23:47

Organization

Shenzhen Giant Microelectronics Company Limited

Address

Room 2108, 21 Floor, Building No.1 of Chang Fu Jin Mao Tower, No.5 Shi Hua Road, Futian District Shenzhen Guangdong CN 518000

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.