China Mobile Chongqing branch

Any device whose MAC address begins with 8C:8F:8B has a network interface built by China Mobile Chongqing branch. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

8C:8F:8B

Organization

China Mobile Chongqing branch

Address

6 building, No. 2, Xingguang three road Yubei District Chongqing CN 401120

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.