What this means
The IEEE assigned the MA-L block 00040C to Kanno Works, 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 00:04:0C, it is Kanno Works, Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 00040C?
00040C is registered to Kanno Works, 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. Kanno Works, Ltd.'s block covers 16,777,216 addresses.
What devices use 00040C?
Any network device with a MAC address starting 00:04:0C was manufactured by or for Kanno Works, Ltd..