Who owns MAC prefix 8C1F64FF4?

8C1F64FF4 is registered to SMS group GmbH in the IEEE MA-S registry.

What devices use 8C1F64FF4?

Any network device with a MAC address starting 8C:1F:64:FF:4 was manufactured by or for SMS group GmbH.

MA-S · OUI prefix

SMS group GmbH

Any MAC address starting 8C:1F:64:FF:4 is registered to SMS group GmbH in DE.

OUI prefix	8C1F64FF4
Vendor	SMS group GmbH
Registry	MA-S (36-bit, small block)
Country	DE
Example MAC	8C:1F:64:FF:4:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F64FF4 to SMS group 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:FF:4, it is SMS group GmbH hardware.

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