What this means
The IEEE assigned the MA-L block 7CD44D to Shanghai Moorewatt Energy Technology 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 7C:D4:4D, it is Shanghai Moorewatt Energy Technology Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 7CD44D?
7CD44D is registered to Shanghai Moorewatt Energy Technology 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. Shanghai Moorewatt Energy Technology Co.,Ltd's block covers 16,777,216 addresses.
What devices use 7CD44D?
Any network device with a MAC address starting 7C:D4:4D was manufactured by or for Shanghai Moorewatt Energy Technology Co.,Ltd.