What this means
The IEEE assigned the MA-L block 682DDC to Wuhan Changjiang Electro-Communication Equipment 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 68:2D:DC, it is Wuhan Changjiang Electro-Communication Equipment CO.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 682DDC?
682DDC is registered to Wuhan Changjiang Electro-Communication Equipment 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. Wuhan Changjiang Electro-Communication Equipment CO.,LTD's block covers 16,777,216 addresses.
What devices use 682DDC?
Any network device with a MAC address starting 68:2D:DC was manufactured by or for Wuhan Changjiang Electro-Communication Equipment CO.,LTD.