What this means
The IEEE assigned the MA-L block DC9EAB 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 DC:9E:AB, it is Chongqing Yipingfang Technology Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix DC9EAB?
DC9EAB 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 DC9EAB?
Any network device with a MAC address starting DC:9E:AB was manufactured by or for Chongqing Yipingfang Technology Co., Ltd..