What this means
The IEEE assigned the MA-L block 183BD2 to BYD Precision Manufacture Company 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 18:3B:D2, it is BYD Precision Manufacture Company Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 183BD2?
183BD2 is registered to BYD Precision Manufacture Company 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. BYD Precision Manufacture Company Ltd.'s block covers 16,777,216 addresses.
What devices use 183BD2?
Any network device with a MAC address starting 18:3B:D2 was manufactured by or for BYD Precision Manufacture Company Ltd..