What this means
The IEEE assigned the MA-L block B87447 to Convergence Technologies. 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 B8:74:47, it is Convergence Technologies hardware.
Frequently Asked Questions
Who owns MAC prefix B87447?
B87447 is registered to Convergence Technologies 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. Convergence Technologies's block covers 16,777,216 addresses.
What devices use B87447?
Any network device with a MAC address starting B8:74:47 was manufactured by or for Convergence Technologies.