What this means
The IEEE assigned the MA-M block C8FFBFB to PubliBike SA. 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 C8:FF:BF:B, it is PubliBike SA hardware.
Frequently Asked Questions
Who owns MAC prefix C8FFBFB?
C8FFBFB is registered to PubliBike SA 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. PubliBike SA's block covers 1,048,576 addresses.
What devices use C8FFBFB?
Any network device with a MAC address starting C8:FF:BF:B was manufactured by or for PubliBike SA.