What this means
The IEEE assigned the MA-L block DC9A8E to Nanjing Cocomm 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 DC:9A:8E, it is Nanjing Cocomm electronics co., LTD hardware.
Frequently Asked Questions
Who owns MAC prefix DC9A8E?
DC9A8E is registered to Nanjing Cocomm 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. Nanjing Cocomm electronics co., LTD's block covers 16,777,216 addresses.
What devices use DC9A8E?
Any network device with a MAC address starting DC:9A:8E was manufactured by or for Nanjing Cocomm electronics co., LTD.