What this means
The IEEE assigned the MA-L block 90CF7D to Qingdao Hisense Communications 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 90:CF:7D, it is Qingdao Hisense Communications Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 90CF7D?
90CF7D is registered to Qingdao Hisense Communications 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. Qingdao Hisense Communications Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use 90CF7D?
Any network device with a MAC address starting 90:CF:7D was manufactured by or for Qingdao Hisense Communications Co.,Ltd..