Who owns MAC prefix 000703?

000703 is registered to CSEE Transport in the IEEE MA-L registry.

What devices use 000703?

Any network device with a MAC address starting 00:07:03 was manufactured by or for CSEE Transport.

MA-L · OUI prefix

CSEE Transport

Any MAC address starting 00:07:03 is registered to CSEE Transport in FR.

OUI prefix	000703
Vendor	CSEE Transport
Registry	MA-L (24-bit, large block)
Country	FR
Example MAC	00:07:03:00:00:00

What this means

The IEEE assigned the MA-L block 000703 to CSEE Transport. 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 00:07:03, it is CSEE Transport hardware.

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