What this means
The IEEE assigned the MA-L block 1CC1BC to Yichip Microelectronics (Hangzhou) 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 1C:C1:BC, it is Yichip Microelectronics (Hangzhou) Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 1CC1BC?
1CC1BC is registered to Yichip Microelectronics (Hangzhou) 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. Yichip Microelectronics (Hangzhou) Co.,Ltd's block covers 16,777,216 addresses.
What devices use 1CC1BC?
Any network device with a MAC address starting 1C:C1:BC was manufactured by or for Yichip Microelectronics (Hangzhou) Co.,Ltd.