What this means
The IEEE assigned the MA-M block 383A216 to Shenzhen Smart-core 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 38:3A:21:6, it is Shenzhen Smart-core Technology co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 383A216?
383A216 is registered to Shenzhen Smart-core Technology co., Ltd. in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Shenzhen Smart-core Technology co., Ltd.'s block covers 1,048,576 addresses.
What devices use 383A216?
Any network device with a MAC address starting 38:3A:21:6 was manufactured by or for Shenzhen Smart-core Technology co., Ltd..