Who owns MAC prefix 803FD6?

803FD6 is registered to bytes at work AG in the IEEE MA-L registry.

What devices use 803FD6?

Any network device with a MAC address starting 80:3F:D6 was manufactured by or for bytes at work AG.

MA-L · OUI prefix

bytes at work AG

Any MAC address starting 80:3F:D6 is registered to bytes at work AG in CH.

OUI prefix	803FD6
Vendor	bytes at work AG
Registry	MA-L (24-bit, large block)
Country	CH
Example MAC	80:3F:D6:00:00:00

What this means

The IEEE assigned the MA-L block 803FD6 to bytes at work AG. 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 80:3F:D6, it is bytes at work AG hardware.

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