Who owns MAC prefix 40B688?

40B688 is registered to LEGIC Identsystems AG in the IEEE MA-L registry.

What devices use 40B688?

Any network device with a MAC address starting 40:B6:88 was manufactured by or for LEGIC Identsystems AG.

MA-L · OUI prefix

LEGIC Identsystems AG

Any MAC address starting 40:B6:88 is registered to LEGIC Identsystems AG in CH.

OUI prefix	40B688
Vendor	LEGIC Identsystems AG
Registry	MA-L (24-bit, large block)
Country	CH
Example MAC	40:B6:88:00:00:00

What this means

The IEEE assigned the MA-L block 40B688 to LEGIC Identsystems 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 40:B6:88, it is LEGIC Identsystems AG hardware.

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