Who owns MAC prefix 5C5A4CC?

5C5A4CC is registered to tarm AG in the IEEE MA-M registry.

What devices use 5C5A4CC?

Any network device with a MAC address starting 5C:5A:4C:C was manufactured by or for tarm AG.

MA-M · OUI prefix

tarm AG

Any MAC address starting 5C:5A:4C:C is registered to tarm AG in CH.

OUI prefix	5C5A4CC
Vendor	tarm AG
Registry	MA-M (28-bit, medium block)
Country	CH
Example MAC	5C:5A:4C:C:00:00:00

What this means

The IEEE assigned the MA-M block 5C5A4CC to tarm AG. 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 5C:5A:4C:C, it is tarm AG hardware.

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