Shengqu Information Technology (Shanghai) Co., Ltd.

Any device whose MAC address begins with 00:12:DD has a network interface built by Shengqu Information Technology (Shanghai) 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

00:12:DD

Organization

Shengqu Information Technology (Shanghai) Co., Ltd.

Address

No.1 Building,No. 690 Bibo Road,Pudong New Area Shanghai CN 201203

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.