CUB ELECPARTS INC.

Any device whose MAC address begins with B4:CD:F5 has a network interface built by CUB ELECPARTS INC.. 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:CD:F5

Organization

CUB ELECPARTS INC.

Address

No. 6, Lane 546, Sec. 6, Changlu Road Fuhsin Township, Changhua County Taiwan TW 50648

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.