Who owns MAC prefix C4A559D?

C4A559D is registered to MINOLTA SECURITY in the IEEE MA-M registry.

What devices use C4A559D?

Any network device with a MAC address starting C4:A5:59:D was manufactured by or for MINOLTA SECURITY.

MA-M · OUI prefix

MINOLTA SECURITY

Any MAC address starting C4:A5:59:D is registered to MINOLTA SECURITY in US.

OUI prefix	C4A559D
Vendor	MINOLTA SECURITY
Registry	MA-M (28-bit, medium block)
Country	US
Example MAC	C4:A5:59:D:00:00:00

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.

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