What this means
The IEEE assigned the MA-M block 9405BB5 to Chengdu Zhongheng Network 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 94:05:BB:5, it is Chengdu Zhongheng Network Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 9405BB5?
9405BB5 is registered to Chengdu Zhongheng Network Co.,Ltd. in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Chengdu Zhongheng Network Co.,Ltd.'s block covers 1,048,576 addresses.
What devices use 9405BB5?
Any network device with a MAC address starting 94:05:BB:5 was manufactured by or for Chengdu Zhongheng Network Co.,Ltd..