Shenzhen SDG Telecom Equipment Co.,Ltd.

Any device whose MAC address begins with 54:C8:CC has a network interface built by Shenzhen SDG Telecom Equipment 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

54:C8:CC

Organization

Shenzhen SDG Telecom Equipment Co.,Ltd.

Address

Coastal Huanqing Building, No. 24 Futian Road, Xuzhen Community, Futian Street, Futian District Shenzhen Guangdong CN 518033

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.