What this means
The IEEE assigned the MA-L block 7866D7 to GENSTORAIGE TECHNOLOGY 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 78:66:D7, it is GENSTORAIGE TECHNOLOGY CO.LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 7866D7?
7866D7 is registered to GENSTORAIGE TECHNOLOGY 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. GENSTORAIGE TECHNOLOGY CO.LTD.'s block covers 16,777,216 addresses.
What devices use 7866D7?
Any network device with a MAC address starting 78:66:D7 was manufactured by or for GENSTORAIGE TECHNOLOGY CO.LTD..