Who owns MAC prefix 8C1F64AF1?

8C1F64AF1 is registered to E-S-Tel in the IEEE MA-S registry.

What devices use 8C1F64AF1?

Any network device with a MAC address starting 8C:1F:64:AF:1 was manufactured by or for E-S-Tel.

MA-S · OUI prefix

E-S-Tel

Any MAC address starting 8C:1F:64:AF:1 is registered to E-S-Tel in BE.

OUI prefix	8C1F64AF1
Vendor	E-S-Tel
Registry	MA-S (36-bit, small block)
Country	BE
Example MAC	8C:1F:64:AF:1:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F64AF1 to E-S-Tel. 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:AF:1, it is E-S-Tel hardware.

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