What this means
The IEEE assigned the MA-L block 74614B to Chongqing Huijiatong Information 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 74:61:4B, it is Chongqing Huijiatong Information Technology Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 74614B?
74614B is registered to Chongqing Huijiatong Information 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. Chongqing Huijiatong Information Technology Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 74614B?
Any network device with a MAC address starting 74:61:4B was manufactured by or for Chongqing Huijiatong Information Technology Co., Ltd..