What this means
The IEEE assigned the MA-M block 401175B to Chongqing IQIYI Intelligence 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 40:11:75:B, it is Chongqing IQIYI Intelligence Technology Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 401175B?
401175B is registered to Chongqing IQIYI Intelligence Technology 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. Chongqing IQIYI Intelligence Technology Co., Ltd.'s block covers 1,048,576 addresses.
What devices use 401175B?
Any network device with a MAC address starting 40:11:75:B was manufactured by or for Chongqing IQIYI Intelligence Technology Co., Ltd..