XIAMEN YAXON NETWORK CO., LTD.

Any device whose MAC address begins with B4:A3:05 has a network interface built by XIAMEN YAXON NETWORK CO., LTD.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

B4:A3:05

Organization

XIAMEN YAXON NETWORK CO., LTD.

Address

46#,Guanri Road, Software Park II Xiamen Fujian CN 361008

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.