Shanghai SEARI Intelligent System Co., Ltd

Any device whose MAC address begins with 7C:CF:CF has a network interface built by Shanghai SEARI Intelligent System 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

7C:CF:CF

Organization

Shanghai SEARI Intelligent System Co., Ltd

Address

No.505 Wuning Road, Putuo District Shanghai CN 200063

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.