What this means
The IEEE assigned the MA-L block B4101C to Shanghai Imilab 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 B4:10:1C, it is Shanghai Imilab Technology Co.Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix B4101C?
B4101C is registered to Shanghai Imilab 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. Shanghai Imilab Technology Co.Ltd's block covers 16,777,216 addresses.
What devices use B4101C?
Any network device with a MAC address starting B4:10:1C was manufactured by or for Shanghai Imilab Technology Co.Ltd.