Chongqing MAS SCI&TECH.Co.,Ltd

Any device whose MAC address begins with 7C:DD:11 has a network interface built by Chongqing MAS SCI&TECH.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:DD:11

Organization

Chongqing MAS SCI&TECH.Co.,Ltd

Address

6th Floor, Zone C2,Hi-tech Venture Park, No.105 Erlang Venture Road Chongqing City CN 400039

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.