Who owns MAC prefix 4CFCAA?

4CFCAA is registered to Tesla,Inc. in the IEEE MA-L registry.

What devices use 4CFCAA?

Any network device with a MAC address starting 4C:FC:AA was manufactured by or for Tesla,Inc..

MA-L · OUI prefix

Tesla,Inc.

Any MAC address starting 4C:FC:AA is registered to Tesla,Inc. in US.

OUI prefix	4CFCAA
Vendor	Tesla,Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	4C:FC:AA:00:00:00

What this means

The IEEE assigned the MA-L block 4CFCAA to Tesla,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 4C:FC:AA, it is Tesla,Inc. hardware.

Other Tesla,Inc. prefixes

Tesla,Inc. holds 7 registered blocks in total.

0C298F 54F8F0 90E643 98ED5C D44F14 DC44271

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