Who owns MAC prefix 8C1F64916?

8C1F64916 is registered to Sept-S in the IEEE MA-S registry.

What devices use 8C1F64916?

Any network device with a MAC address starting 8C:1F:64:91:6 was manufactured by or for Sept-S.

MA-S · OUI prefix

Sept-S

Any MAC address starting 8C:1F:64:91:6 is registered to Sept-S in FR.

OUI prefix	8C1F64916
Vendor	Sept-S
Registry	MA-S (36-bit, small block)
Country	FR
Example MAC	8C:1F:64:91:6:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F64916 to Sept-S. 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:64:91:6, it is Sept-S hardware.

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