What this means
The IEEE assigned the MA-M block B44D438 to ShenZhen Launch-Wonder 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 B4:4D:43:8, it is ShenZhen Launch-Wonder Technology co., LTD hardware.
Frequently Asked Questions
Who owns MAC prefix B44D438?
B44D438 is registered to ShenZhen Launch-Wonder 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 Launch-Wonder Technology co., LTD's block covers 1,048,576 addresses.
What devices use B44D438?
Any network device with a MAC address starting B4:4D:43:8 was manufactured by or for ShenZhen Launch-Wonder Technology co., LTD.