What this means
The IEEE assigned the MA-L block 002706 to YOISYS. 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 00:27:06, it is YOISYS hardware.
Frequently Asked Questions
Who owns MAC prefix 002706?
002706 is registered to YOISYS 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. YOISYS's block covers 16,777,216 addresses.
What devices use 002706?
Any network device with a MAC address starting 00:27:06 was manufactured by or for YOISYS.