Shenzhen JoinCyber Telecom Equipment Ltd

Any device whose MAC address begins with DC:D8:7F has a network interface built by Shenzhen JoinCyber Telecom Equipment 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

DC:D8:7F

Organization

Shenzhen JoinCyber Telecom Equipment Ltd

Address

19CDE, Block A,JinFengBuilding,shangbu South Road,Futian District, Shenzhen Guangdong CN 518031

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.