What this means
The IEEE assigned the MA-L block C0C946 to MITSUYA LABORATORIES INC.. 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 C0:C9:46, it is MITSUYA LABORATORIES INC. hardware.
Frequently Asked Questions
Who owns MAC prefix C0C946?
C0C946 is registered to MITSUYA LABORATORIES INC. 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. MITSUYA LABORATORIES INC.'s block covers 16,777,216 addresses.
What devices use C0C946?
Any network device with a MAC address starting C0:C9:46 was manufactured by or for MITSUYA LABORATORIES INC..