What this means
The IEEE assigned the MA-L block 0C51F7 to CHAUVIN ARNOUX. 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 0C:51:F7, it is CHAUVIN ARNOUX hardware.
Frequently Asked Questions
Who owns MAC prefix 0C51F7?
0C51F7 is registered to CHAUVIN ARNOUX in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. CHAUVIN ARNOUX's block covers 16,777,216 addresses.
What devices use 0C51F7?
Any network device with a MAC address starting 0C:51:F7 was manufactured by or for CHAUVIN ARNOUX.