What this means
The IEEE assigned the MA-L block 0041B4 to Wuxi Zhongxing Optoelectronics Technology 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 00:41:B4, it is Wuxi Zhongxing Optoelectronics Technology Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 0041B4?
0041B4 is registered to Wuxi Zhongxing Optoelectronics Technology 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. Wuxi Zhongxing Optoelectronics Technology Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use 0041B4?
Any network device with a MAC address starting 00:41:B4 was manufactured by or for Wuxi Zhongxing Optoelectronics Technology Co.,Ltd..