Who owns MAC prefix 8C1F643B2?

8C1F643B2 is registered to Real Digital in the IEEE MA-S registry.

What devices use 8C1F643B2?

Any network device with a MAC address starting 8C:1F:64:3B:2 was manufactured by or for Real Digital.

MA-S · OUI prefix

Real Digital

Any MAC address starting 8C:1F:64:3B:2 is registered to Real Digital in US.

OUI prefix	8C1F643B2
Vendor	Real Digital
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	8C:1F:64:3B:2:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F643B2 to Real Digital. 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:64:3B:2, it is Real Digital hardware.

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