Dynamics Hong Kong Limited

Any device whose MAC address begins with B0:12:03 has a network interface built by Dynamics Hong Kong Limited. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

B0:12:03

Organization

Dynamics Hong Kong Limited

Address

Room A4, 3/F, Friend's House , No.6A Carnarvon Road, HK 999077

Source

IEEE OUI registry

Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.