HongKong Tenry Technology Co., Ltd.

Any device whose MAC address begins with C4:00:B5 has a network interface built by HongKong Tenry 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

C4:00:B5

Organization

HongKong Tenry Technology Co., Ltd.

Address

12/F, Building 10A,the Ninth Road,South of Hi-Tech Park,Shenzhen Bay Science and Technology Ecological Park, Nanshan District shenzhen guangdong CN 518052

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.