What this means
The IEEE assigned the MA-M block 383A212 to Shenzhen HS Fiber 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 38:3A:21:2, it is Shenzhen HS Fiber Communication Equipment CO., LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 383A212?
383A212 is registered to Shenzhen HS Fiber Communication Equipment 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 HS Fiber Communication Equipment CO., LTD's block covers 1,048,576 addresses.
What devices use 383A212?
Any network device with a MAC address starting 38:3A:21:2 was manufactured by or for Shenzhen HS Fiber Communication Equipment CO., LTD.