Who owns MAC prefix 28D997?

28D997 is registered to Yuduan Mobile Co., Ltd. in the IEEE MA-L registry.

What devices use 28D997?

Any network device with a MAC address starting 28:D9:97 was manufactured by or for Yuduan Mobile Co., Ltd..

MA-L · OUI prefix

Yuduan Mobile Co., Ltd.

Any MAC address starting 28:D9:97 is registered to Yuduan Mobile Co., Ltd. in CN.

OUI prefix	28D997
Vendor	Yuduan Mobile Co., Ltd.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	28:D9:97:00:00:00

What this means

The IEEE assigned the MA-L block 28D997 to Yuduan Mobile 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:D9:97, it is Yuduan Mobile Co., Ltd. hardware.

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