What this means
The IEEE assigned the MA-L block B47D76 to KNS Group LLC. 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 B4:7D:76, it is KNS Group LLC hardware.
Frequently Asked Questions
Who owns MAC prefix B47D76?
B47D76 is registered to KNS Group LLC 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. KNS Group LLC's block covers 16,777,216 addresses.
What devices use B47D76?
Any network device with a MAC address starting B4:7D:76 was manufactured by or for KNS Group LLC.