What this means
The IEEE assigned the MA-L block C4924C to KEISOKUKI CENTER 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 C4:92:4C, it is KEISOKUKI CENTER CO.,LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix C4924C?
C4924C is registered to KEISOKUKI CENTER 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. KEISOKUKI CENTER CO.,LTD.'s block covers 16,777,216 addresses.
What devices use C4924C?
Any network device with a MAC address starting C4:92:4C was manufactured by or for KEISOKUKI CENTER CO.,LTD..