What this means
The IEEE assigned the MA-L block B01203 to Dynamics Hong Kong Limited. 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 B0:12:03, it is Dynamics Hong Kong Limited hardware.
Frequently Asked Questions
Who owns MAC prefix B01203?
B01203 is registered to Dynamics Hong Kong Limited 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. Dynamics Hong Kong Limited's block covers 16,777,216 addresses.
What devices use B01203?
Any network device with a MAC address starting B0:12:03 was manufactured by or for Dynamics Hong Kong Limited.