What this means
The IEEE assigned the MA-L block AC3DFA to Hangzhou Huacheng Network 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 AC:3D:FA, it is Hangzhou Huacheng Network Technology Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix AC3DFA?
AC3DFA is registered to Hangzhou Huacheng Network 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. Hangzhou Huacheng Network Technology Co.,Ltd's block covers 16,777,216 addresses.
What devices use AC3DFA?
Any network device with a MAC address starting AC:3D:FA was manufactured by or for Hangzhou Huacheng Network Technology Co.,Ltd.