Who owns MAC prefix B4E01D?

B4E01D is registered to CONCEPTION ELECTRONIQUE in the IEEE MA-L registry.

What devices use B4E01D?

Any network device with a MAC address starting B4:E0:1D was manufactured by or for CONCEPTION ELECTRONIQUE.

MA-L · OUI prefix

CONCEPTION ELECTRONIQUE

Any MAC address starting B4:E0:1D is registered to CONCEPTION ELECTRONIQUE in FR.

OUI prefix	B4E01D
Vendor	CONCEPTION ELECTRONIQUE
Registry	MA-L (24-bit, large block)
Country	FR
Example MAC	B4:E0:1D:00:00:00

What this means

The IEEE assigned the MA-L block B4E01D to CONCEPTION ELECTRONIQUE. 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 B4:E0:1D, it is CONCEPTION ELECTRONIQUE hardware.

Look up another MAC