What this means
The IEEE assigned the MA-L block 002421 to MICRO-STAR INT'L 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 00:24:21, it is MICRO-STAR INT'L CO., LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 002421?
002421 is registered to MICRO-STAR INT'L 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. MICRO-STAR INT'L CO., LTD.'s block covers 16,777,216 addresses.
What devices use 002421?
Any network device with a MAC address starting 00:24:21 was manufactured by or for MICRO-STAR INT'L CO., LTD..