What this means
The IEEE assigned the MA-L block 8C873B to Leica Camera AG. 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 8C:87:3B, it is Leica Camera AG hardware.
Frequently Asked Questions
Who owns MAC prefix 8C873B?
8C873B is registered to Leica Camera AG 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. Leica Camera AG's block covers 16,777,216 addresses.
What devices use 8C873B?
Any network device with a MAC address starting 8C:87:3B was manufactured by or for Leica Camera AG.