What this means
The IEEE assigned the MA-M block 50FACB9 to Bosch Security 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 50:FA:CB:9, it is Bosch Security Systems hardware.
Frequently Asked Questions
Who owns MAC prefix 50FACB9?
50FACB9 is registered to Bosch Security Systems in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Bosch Security Systems's block covers 1,048,576 addresses.
What devices use 50FACB9?
Any network device with a MAC address starting 50:FA:CB:9 was manufactured by or for Bosch Security Systems.