What this means
The IEEE assigned the MA-L block 000645 to Meisei Electric 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 00:06:45, it is Meisei Electric Co. Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 000645?
000645 is registered to Meisei Electric 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. Meisei Electric Co. Ltd.'s block covers 16,777,216 addresses.
What devices use 000645?
Any network device with a MAC address starting 00:06:45 was manufactured by or for Meisei Electric Co. Ltd..