What this means
The IEEE assigned the MA-L block DCEC4F to Guangzhou Shiyuan Electronic Technology Company Limited. 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:EC:4F, it is Guangzhou Shiyuan Electronic Technology Company Limited hardware.
Frequently Asked Questions
Who owns MAC prefix DCEC4F?
DCEC4F is registered to Guangzhou Shiyuan Electronic Technology Company Limited 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. Guangzhou Shiyuan Electronic Technology Company Limited's block covers 16,777,216 addresses.
What devices use DCEC4F?
Any network device with a MAC address starting DC:EC:4F was manufactured by or for Guangzhou Shiyuan Electronic Technology Company Limited.