What this means
The IEEE assigned the MA-L block 147411 to RIM. 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 14:74:11, it is RIM hardware.
Frequently Asked Questions
Who owns MAC prefix 147411?
147411 is registered to RIM 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. RIM's block covers 16,777,216 addresses.
What devices use 147411?
Any network device with a MAC address starting 14:74:11 was manufactured by or for RIM.