Who owns MAC prefix 00407A?

00407A is registered to SOCIETE D'EXPLOITATION DU CNIT in the IEEE MA-L registry.

What devices use 00407A?

Any network device with a MAC address starting 00:40:7A was manufactured by or for SOCIETE D'EXPLOITATION DU CNIT.

MA-L · OUI prefix

SOCIETE D'EXPLOITATION DU CNIT

Any MAC address starting 00:40:7A is registered to SOCIETE D'EXPLOITATION DU CNIT in FR.

OUI prefix	00407A
Vendor	SOCIETE D'EXPLOITATION DU CNIT
Registry	MA-L (24-bit, large block)
Country	FR
Example MAC	00:40:7A:00:00:00

What this means

The IEEE assigned the MA-L block 00407A to SOCIETE D'EXPLOITATION DU CNIT. 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 00:40:7A, it is SOCIETE D'EXPLOITATION DU CNIT hardware.

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