What this means
The IEEE assigned the MA-L block 187C81 to Valeo Vision Systems. 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 18:7C:81, it is Valeo Vision Systems hardware.
Frequently Asked Questions
Who owns MAC prefix 187C81?
187C81 is registered to Valeo Vision Systems 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. Valeo Vision Systems's block covers 16,777,216 addresses.
What devices use 187C81?
Any network device with a MAC address starting 18:7C:81 was manufactured by or for Valeo Vision Systems.