Who owns MAC prefix 8C1F6416B?

8C1F6416B is registered to TKR Spezialwerkzeuge GmbH in the IEEE MA-S registry.

What devices use 8C1F6416B?

Any network device with a MAC address starting 8C:1F:64:16:B was manufactured by or for TKR Spezialwerkzeuge GmbH.

MA-S · OUI prefix

TKR Spezialwerkzeuge GmbH

Any MAC address starting 8C:1F:64:16:B is registered to TKR Spezialwerkzeuge GmbH in DE.

OUI prefix	8C1F6416B
Vendor	TKR Spezialwerkzeuge GmbH
Registry	MA-S (36-bit, small block)
Country	DE
Example MAC	8C:1F:64:16:B:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F6416B to TKR Spezialwerkzeuge GmbH. 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:64:16:B, it is TKR Spezialwerkzeuge GmbH hardware.

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