What this means
The IEEE assigned the MA-L block F40B93 to BlackBerry RTS. 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 F4:0B:93, it is BlackBerry RTS hardware.
Frequently Asked Questions
Who owns MAC prefix F40B93?
F40B93 is registered to BlackBerry RTS 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. BlackBerry RTS's block covers 16,777,216 addresses.
What devices use F40B93?
Any network device with a MAC address starting F4:0B:93 was manufactured by or for BlackBerry RTS.