What this means
The IEEE assigned the MA-L block 2464EF to CYG SUNRI 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 24:64:EF, it is CYG SUNRI CO.,LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 2464EF?
2464EF is registered to CYG SUNRI 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. CYG SUNRI CO.,LTD.'s block covers 16,777,216 addresses.
What devices use 2464EF?
Any network device with a MAC address starting 24:64:EF was manufactured by or for CYG SUNRI CO.,LTD..