What this means
The IEEE assigned the MA-L block 48EAA9 to ShenZhen C&D Electronics 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 48:EA:A9, it is ShenZhen C&D Electronics CO.Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 48EAA9?
48EAA9 is registered to ShenZhen C&D Electronics 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. ShenZhen C&D Electronics CO.Ltd.'s block covers 16,777,216 addresses.
What devices use 48EAA9?
Any network device with a MAC address starting 48:EA:A9 was manufactured by or for ShenZhen C&D Electronics CO.Ltd..