Who owns MAC prefix 28B133?

28B133 is registered to SHINEMAN(SHENZHEN) Tech. Cor., Ltd. in the IEEE MA-L registry.

What devices use 28B133?

Any network device with a MAC address starting 28:B1:33 was manufactured by or for SHINEMAN(SHENZHEN) Tech. Cor., Ltd..

MA-L · OUI prefix

SHINEMAN(SHENZHEN) Tech. Cor., Ltd.

Any MAC address starting 28:B1:33 is registered to SHINEMAN(SHENZHEN) Tech. Cor., Ltd. in CN.

OUI prefix	28B133
Vendor	SHINEMAN(SHENZHEN) Tech. Cor., Ltd.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	28:B1:33:00:00:00

What this means

The IEEE assigned the MA-L block 28B133 to SHINEMAN(SHENZHEN) Tech. Cor., 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:B1:33, it is SHINEMAN(SHENZHEN) Tech. Cor., Ltd. hardware.

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