Who owns MAC prefix 004049?

004049 is registered to Roche Diagnostics International Ltd. in the IEEE MA-L registry.

What devices use 004049?

Any network device with a MAC address starting 00:40:49 was manufactured by or for Roche Diagnostics International Ltd..

MA-L · OUI prefix

Roche Diagnostics International Ltd.

Any MAC address starting 00:40:49 is registered to Roche Diagnostics International Ltd. in CH.

OUI prefix	004049
Vendor	Roche Diagnostics International Ltd.
Registry	MA-L (24-bit, large block)
Country	CH
Example MAC	00:40:49:00:00:00

What this means

The IEEE assigned the MA-L block 004049 to Roche Diagnostics International Ltd.. 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 00:40:49, it is Roche Diagnostics International Ltd. hardware.

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