Who owns MAC prefix DCB131?

DCB131 is registered to SHENZHEN HUARUIAN TECHNOLOGY CO.,LTD in the IEEE MA-L registry.

What devices use DCB131?

Any network device with a MAC address starting DC:B1:31 was manufactured by or for SHENZHEN HUARUIAN TECHNOLOGY CO.,LTD.

MA-L · OUI prefix

SHENZHEN HUARUIAN TECHNOLOGY CO.,LTD

Any MAC address starting DC:B1:31 is registered to SHENZHEN HUARUIAN TECHNOLOGY CO.,LTD in CN.

OUI prefix	DCB131
Vendor	SHENZHEN HUARUIAN TECHNOLOGY CO.,LTD
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	DC:B1:31:00:00:00

What this means

The IEEE assigned the MA-L block DCB131 to SHENZHEN HUARUIAN TECHNOLOGY 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 DC:B1:31, it is SHENZHEN HUARUIAN TECHNOLOGY CO.,LTD hardware.

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