Zhejiang Cainiao Supply Chain Management Co., Ltd

Any device whose MAC address begins with 30:63:CF has a network interface built by Zhejiang Cainiao Supply Chain Management 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

30:63:CF

Organization

Zhejiang Cainiao Supply Chain Management Co., Ltd

Address

501 Fengxin Road, Yuhang Street, Yuhang District Hangzhou Zhejiang CN 310024

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.