Who owns MAC prefix 8C1F6493B?

8C1F6493B is registered to Computer Express LLC in the IEEE MA-S registry.

What devices use 8C1F6493B?

Any network device with a MAC address starting 8C:1F:64:93:B was manufactured by or for Computer Express LLC.

MA-S · OUI prefix

Computer Express LLC

Any MAC address starting 8C:1F:64:93:B is registered to Computer Express LLC in US.

OUI prefix	8C1F6493B
Vendor	Computer Express LLC
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	8C:1F:64:93:B:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F6493B to Computer Express LLC. 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:64:93:B, it is Computer Express LLC hardware.

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