What this means
The IEEE assigned the MA-L block 7C273C to Shenzhen Yunlink 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 7C:27:3C, it is Shenzhen Yunlink Technology Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 7C273C?
7C273C is registered to Shenzhen Yunlink 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. Shenzhen Yunlink Technology Co., Ltd's block covers 16,777,216 addresses.
What devices use 7C273C?
Any network device with a MAC address starting 7C:27:3C was manufactured by or for Shenzhen Yunlink Technology Co., Ltd.