Who owns MAC prefix 8C1F64581?

8C1F64581 is registered to SpectraDynamics, Inc. in the IEEE MA-S registry.

What devices use 8C1F64581?

Any network device with a MAC address starting 8C:1F:64:58:1 was manufactured by or for SpectraDynamics, Inc..

MA-S · OUI prefix

SpectraDynamics, Inc.

Any MAC address starting 8C:1F:64:58:1 is registered to SpectraDynamics, Inc. in US.

OUI prefix	8C1F64581
Vendor	SpectraDynamics, Inc.
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	8C:1F:64:58:1:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F64581 to SpectraDynamics, Inc.. 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:64:58:1, it is SpectraDynamics, Inc. hardware.

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