Who owns MAC prefix 8C1F640B8?

8C1F640B8 is registered to Signatrol Ltd in the IEEE MA-S registry.

What devices use 8C1F640B8?

Any network device with a MAC address starting 8C:1F:64:0B:8 was manufactured by or for Signatrol Ltd.

MA-S · OUI prefix

Signatrol Ltd

Any MAC address starting 8C:1F:64:0B:8 is registered to Signatrol Ltd.

OUI prefix	8C1F640B8
Vendor	Signatrol Ltd
Registry	MA-S (36-bit, small block)
Example MAC	8C:1F:64:0B:8:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F640B8 to Signatrol Ltd. 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:64:0B:8, it is Signatrol Ltd hardware.

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