Who owns MAC prefix AC199F?

AC199F is registered to SUNGROW POWER SUPPLY CO.,LTD. in the IEEE MA-L registry.

What devices use AC199F?

Any network device with a MAC address starting AC:19:9F was manufactured by or for SUNGROW POWER SUPPLY CO.,LTD..

MA-L · OUI prefix

SUNGROW POWER SUPPLY CO.,LTD.

Any MAC address starting AC:19:9F is registered to SUNGROW POWER SUPPLY CO.,LTD. in CN.

OUI prefix	AC199F
Vendor	SUNGROW POWER SUPPLY CO.,LTD.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	AC:19:9F:00:00:00

What this means

The IEEE assigned the MA-L block AC199F to SUNGROW POWER SUPPLY 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 AC:19:9F, it is SUNGROW POWER SUPPLY CO.,LTD. hardware.

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