What this means
The IEEE assigned the MA-L block 84E9C1 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 84:E9:C1, it is Realme Chongqing Mobile Telecommunications Corp.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 84E9C1?
84E9C1 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 84E9C1?
Any network device with a MAC address starting 84:E9:C1 was manufactured by or for Realme Chongqing Mobile Telecommunications Corp.,Ltd..