Shenzhen SDGI CATV Co., Ltd

Any device whose MAC address begins with 28:A5:EE has a network interface built by Shenzhen SDGI CATV 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

28:A5:EE

Organization

Shenzhen SDGI CATV Co., Ltd

Address

2/F, NO, 3, QIONGYU ROAD, shenzhen Guangdong province CN 518057

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.