China Grand Communications Co.,Ltd.

Any device whose MAC address begins with FC:38:C4 has a network interface built by China Grand Communications 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

FC:38:C4

Organization

China Grand Communications Co.,Ltd.

Address

2712, Block A, Phase II, Qianhai Economic and Trade Center, China Merchants Group, No. 3041, Yihai Avenue, Nanshan street, Shenzhen Hong Kong cooperation zone, Shenzhen Shenzhen Guangdong CN 518066

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.