XIAMENSHI C-CHIP TECHNOLOGY CO.,LTD

Any device whose MAC address begins with C4:A9:B8 has a network interface built by XIAMENSHI C-CHIP TECHNOLOGY 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

C4:A9:B8

Organization

XIAMENSHI C-CHIP TECHNOLOGY CO.,LTD

Address

2919, East Block, One Center, Xixiang Street, Baoan District, Shenzhen Shenzhen city Guangdong Province CN 518102

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.