What this means
The IEEE assigned the MA-L block C4A72B to SHENZHEN CHUANGWEI-RGB ELECTRONICS CO.,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:A7:2B, it is SHENZHEN CHUANGWEI-RGB ELECTRONICS CO.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix C4A72B?
C4A72B is registered to SHENZHEN CHUANGWEI-RGB ELECTRONICS CO.,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. SHENZHEN CHUANGWEI-RGB ELECTRONICS CO.,LTD's block covers 16,777,216 addresses.
What devices use C4A72B?
Any network device with a MAC address starting C4:A7:2B was manufactured by or for SHENZHEN CHUANGWEI-RGB ELECTRONICS CO.,LTD.