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.
Frequently Asked Questions
Who owns MAC prefix AC199F?
AC199F is registered to SUNGROW POWER SUPPLY CO.,LTD. in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. SUNGROW POWER SUPPLY CO.,LTD.'s block covers 16,777,216 addresses.
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..