Yunnan KSEC Digital Technology Co.,Ltd.

Any device whose MAC address begins with 90:3C:AE has a network interface built by Yunnan KSEC Digital 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

90:3C:AE

Organization

Yunnan KSEC Digital Technology Co.,Ltd.

Address

3F,NO.176 Keyi ROAD,High and New Technological Industrial Development Zone Kunming Yunnan CN 650106

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.