Who owns MAC prefix 402C765?

402C765 is registered to Baumer Bourdon-Haenni in the IEEE MA-M registry.

What devices use 402C765?

Any network device with a MAC address starting 40:2C:76:5 was manufactured by or for Baumer Bourdon-Haenni.

MA-M · OUI prefix

Baumer Bourdon-Haenni

Any MAC address starting 40:2C:76:5 is registered to Baumer Bourdon-Haenni in FR.

OUI prefix	402C765
Vendor	Baumer Bourdon-Haenni
Registry	MA-M (28-bit, medium block)
Country	FR
Example MAC	40:2C:76:5:00:00:00

What this means

The IEEE assigned the MA-M block 402C765 to Baumer Bourdon-Haenni. 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 40:2C:76:5, it is Baumer Bourdon-Haenni hardware.

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