Shenzhen WiSiYiLink Technology Co.,Ltd

Any device whose MAC address begins with 5C:D5:B5 has a network interface built by Shenzhen WiSiYiLink 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

5C:D5:B5

Organization

Shenzhen WiSiYiLink Technology Co.,Ltd

Address

Building a 3, huafengzhigu Yuanshan hi tech Industrial Park, No.62, Yinhe Road, he'ao community, Yuanshan street, Longgang District Shenzhen CN 518100

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.