Who owns MAC prefix 2817CB?

2817CB is registered to Software Freedom Conservancy in the IEEE MA-L registry.

What devices use 2817CB?

Any network device with a MAC address starting 28:17:CB was manufactured by or for Software Freedom Conservancy.

MA-L · OUI prefix

Software Freedom Conservancy

Any MAC address starting 28:17:CB is registered to Software Freedom Conservancy in US.

OUI prefix	2817CB
Vendor	Software Freedom Conservancy
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	28:17:CB:00:00:00

What this means

The IEEE assigned the MA-L block 2817CB to Software Freedom Conservancy. 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 28:17:CB, it is Software Freedom Conservancy hardware.

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