Who owns MAC prefix 308999?

308999 is registered to Guangdong East Power Co., in the IEEE MA-L registry.

What devices use 308999?

Any network device with a MAC address starting 30:89:99 was manufactured by or for Guangdong East Power Co.,.

MA-L · OUI prefix

Guangdong East Power Co.,

Any MAC address starting 30:89:99 is registered to Guangdong East Power Co., in CN.

OUI prefix	308999
Vendor	Guangdong East Power Co.,
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	30:89:99:00:00:00

What this means

The IEEE assigned the MA-L block 308999 to Guangdong East Power Co.,. 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 30:89:99, it is Guangdong East Power Co., hardware.

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