What this means
The IEEE assigned the MA-L block D4D7CF 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 D4:D7:CF, it is Realme Chongqing Mobile Telecommunications Corp.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix D4D7CF?
D4D7CF 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 D4D7CF?
Any network device with a MAC address starting D4:D7:CF was manufactured by or for Realme Chongqing Mobile Telecommunications Corp.,Ltd..