Chengdu Quanjing Intelligent Technology Co.,Ltd
Any device whose MAC address begins with E0:EF:02 has a network interface built by Chengdu Quanjing Intelligent 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:EF:02
- Organization
- Chengdu Quanjing Intelligent Technology Co.,Ltd
- Address
- Building A2, Chi Yuen Technology Park, 1001 College Avenue, Nanshan District, Shenzhen,P.R.C. Shenzhen Guangdong CN 518000
- 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.