What devices use C4A5594?

Any network device with a MAC address starting C4:A5:59:4 was manufactured by or for National Company of Telecommunication and Information Security.

MA-M · OUI prefix

National Company of Telecommunication and Information Security

Q: Who owns MAC prefix C4A5594?

C4A5594 is registered to National Company of Telecommunication and Information Security in the IEEE MA-M registry.

Any MAC address starting C4:A5:59:4 is registered to National Company of Telecommunication and Information Security in SA.

OUI prefix	C4A5594
Vendor	National Company of Telecommunication and Information Security
Registry	MA-M (28-bit, medium block)
Country	SA
Example MAC	C4:A5:59:4:00:00:00

What this means

The IEEE assigned the MA-M block C4A5594 to National Company of Telecommunication and Information 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:A5:59:4, it is National Company of Telecommunication and Information Security hardware.

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