What this means
The IEEE assigned the MA-L block 0405DD to Shenzhen Cultraview Digital 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 04:05:DD, it is Shenzhen Cultraview Digital Technology Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 0405DD?
0405DD is registered to Shenzhen Cultraview Digital 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. Shenzhen Cultraview Digital Technology Co., Ltd's block covers 16,777,216 addresses.
What devices use 0405DD?
Any network device with a MAC address starting 04:05:DD was manufactured by or for Shenzhen Cultraview Digital Technology Co., Ltd.