Who owns MAC prefix 8C1F641EF?

8C1F641EF is registered to Tantronic AG in the IEEE MA-S registry.

What devices use 8C1F641EF?

Any network device with a MAC address starting 8C:1F:64:1E:F was manufactured by or for Tantronic AG.

MA-S · OUI prefix

Tantronic AG

Any MAC address starting 8C:1F:64:1E:F is registered to Tantronic AG in CH.

OUI prefix	8C1F641EF
Vendor	Tantronic AG
Registry	MA-S (36-bit, small block)
Country	CH
Example MAC	8C:1F:64:1E:F:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F641EF to Tantronic 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 8C:1F:64:1E:F, it is Tantronic AG hardware.

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