ShenZhen Continental Wireless Technology Co., Ltd.

Any device whose MAC address begins with E0:03:70 has a network interface built by ShenZhen Continental Wireless 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

E0:03:70

Organization

ShenZhen Continental Wireless Technology Co., Ltd.

Address

North 23F, Dongfang Technology Building, Shenzhen Guangdong CN 518057

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.