What this means
The IEEE assigned the MA-L block 90DF7D to Realme Chongqing Mobile Telecommunications Corp.,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:DF:7D, it is Realme Chongqing Mobile Telecommunications Corp.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 90DF7D?
90DF7D is registered to Realme Chongqing Mobile Telecommunications Corp.,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. Realme Chongqing Mobile Telecommunications Corp.,Ltd.'s block covers 16,777,216 addresses.
What devices use 90DF7D?
Any network device with a MAC address starting 90:DF:7D was manufactured by or for Realme Chongqing Mobile Telecommunications Corp.,Ltd..