What this means
The IEEE assigned the MA-L block C47B2F to Beijing JoinHope Image Technology Ltd.. 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 C4:7B:2F, it is Beijing JoinHope Image Technology Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix C47B2F?
C47B2F is registered to Beijing JoinHope Image Technology Ltd. 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. Beijing JoinHope Image Technology Ltd.'s block covers 16,777,216 addresses.
What devices use C47B2F?
Any network device with a MAC address starting C4:7B:2F was manufactured by or for Beijing JoinHope Image Technology Ltd..