What this means
The IEEE assigned the MA-M block C4A559D to MINOLTA SECURITY. 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:A5:59:D, it is MINOLTA SECURITY hardware.
Frequently Asked Questions
Who owns MAC prefix C4A559D?
C4A559D is registered to MINOLTA SECURITY in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. MINOLTA SECURITY's block covers 1,048,576 addresses.
What devices use C4A559D?
Any network device with a MAC address starting C4:A5:59:D was manufactured by or for MINOLTA SECURITY.