Who owns MAC prefix CC5289?

CC5289 is registered to SHENZHEN OPTFOCUS TECHNOLOGY.,LTD in the IEEE MA-L registry.

What devices use CC5289?

Any network device with a MAC address starting CC:52:89 was manufactured by or for SHENZHEN OPTFOCUS TECHNOLOGY.,LTD.

MA-L · OUI prefix

SHENZHEN OPTFOCUS TECHNOLOGY.,LTD

Any MAC address starting CC:52:89 is registered to SHENZHEN OPTFOCUS TECHNOLOGY.,LTD in CN.

OUI prefix	CC5289
Vendor	SHENZHEN OPTFOCUS TECHNOLOGY.,LTD
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	CC:52:89:00:00:00

What this means

The IEEE assigned the MA-L block CC5289 to SHENZHEN OPTFOCUS TECHNOLOGY.,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 CC:52:89, it is SHENZHEN OPTFOCUS TECHNOLOGY.,LTD hardware.

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