Who owns MAC prefix 80A5793?

80A5793 is registered to Tool-Temp AG in the IEEE MA-M registry.

What devices use 80A5793?

Any network device with a MAC address starting 80:A5:79:3 was manufactured by or for Tool-Temp AG.

MA-M · OUI prefix

Tool-Temp AG

Any MAC address starting 80:A5:79:3 is registered to Tool-Temp AG in CH.

OUI prefix	80A5793
Vendor	Tool-Temp AG
Registry	MA-M (28-bit, medium block)
Country	CH
Example MAC	80:A5:79:3:00:00:00

What this means

The IEEE assigned the MA-M block 80A5793 to Tool-Temp 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 80:A5:79:3, it is Tool-Temp AG hardware.

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