What this means
The IEEE assigned the MA-L block 849D4B to Shenzhen Boomtech Industrial Corporation. 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 84:9D:4B, it is Shenzhen Boomtech Industrial Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix 849D4B?
849D4B is registered to Shenzhen Boomtech Industrial Corporation 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 Boomtech Industrial Corporation's block covers 16,777,216 addresses.
What devices use 849D4B?
Any network device with a MAC address starting 84:9D:4B was manufactured by or for Shenzhen Boomtech Industrial Corporation.