Beijing DoSee Science and Technology Co., Ltd.

Any device whose MAC address begins with D8:CF:89 has a network interface built by Beijing DoSee Science and Technology 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

D8:CF:89

Organization

Beijing DoSee Science and Technology Co., Ltd.

Address

Room 819-158,Floor 8,XinCaiLiao Chuangye Building,No.7 FengHuiZhong Road, Haidian District Beijing CN 100094

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.