What this means
The IEEE assigned the MA-L block 781C1E to Chongqing Yipingfang 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 78:1C:1E, it is Chongqing Yipingfang Technology Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 781C1E?
781C1E is registered to Chongqing Yipingfang 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. Chongqing Yipingfang Technology Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 781C1E?
Any network device with a MAC address starting 78:1C:1E was manufactured by or for Chongqing Yipingfang Technology Co., Ltd..