What this means
The IEEE assigned the MA-L block 34C103 to Hangzhou Huamu 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 34:C1:03, it is Hangzhou Huamu Technology Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 34C103?
34C103 is registered to Hangzhou Huamu 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 Huamu Technology Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use 34C103?
Any network device with a MAC address starting 34:C1:03 was manufactured by or for Hangzhou Huamu Technology Co.,Ltd..