Who owns MAC prefix 28A5EE?

28A5EE is registered to Shenzhen SDGI CATV Co., Ltd in the IEEE MA-L registry.

What devices use 28A5EE?

Any network device with a MAC address starting 28:A5:EE was manufactured by or for Shenzhen SDGI CATV Co., Ltd.

MA-L · OUI prefix

Shenzhen SDGI CATV Co., Ltd

Any MAC address starting 28:A5:EE is registered to Shenzhen SDGI CATV Co., Ltd in CN.

OUI prefix	28A5EE
Vendor	Shenzhen SDGI CATV Co., Ltd
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	28:A5:EE:00:00:00

What this means

The IEEE assigned the MA-L block 28A5EE to Shenzhen SDGI CATV Co., Ltd. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 28:A5:EE, it is Shenzhen SDGI CATV Co., Ltd hardware.

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