Who owns MAC prefix B01203?

B01203 is registered to Dynamics Hong Kong Limited in the IEEE MA-L registry.

What devices use B01203?

Any network device with a MAC address starting B0:12:03 was manufactured by or for Dynamics Hong Kong Limited.

MA-L · OUI prefix

Dynamics Hong Kong Limited

Any MAC address starting B0:12:03 is registered to Dynamics Hong Kong Limited in HK.

OUI prefix	B01203
Vendor	Dynamics Hong Kong Limited
Registry	MA-L (24-bit, large block)
Country	HK
Example MAC	B0:12:03:00:00:00

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.

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