Shenzhen Unionmemory Information System Limited

Any device whose MAC address begins with 5C:DF:B8 has a network interface built by Shenzhen Unionmemory Information System Limited. 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:DF:B8

Organization

Shenzhen Unionmemory Information System Limited

Address

Factory Flat D24/F-02, Dong Jiao Tou, Houhai Road, Shekou, Nan Shan District Shenzhen Guangdong CN 518067

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.