BITA

Any device whose MAC address begins with 6C:4A:39 has a network interface built by BITA. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

6C:4A:39

Organization

BITA

Address

6/F, New Century Hotel Office Tower BEI JING CN 100044

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.