China Mobile Group Device Co.,Ltd.

Any device whose MAC address begins with B8:60:61 has a network interface built by China Mobile Group Device 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

B8:60:61

Organization

China Mobile Group Device Co.,Ltd.

Address

32 Xuanwumen West Street,Xicheng District Beijing CN 100053

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.