The most reliable way to "scan" for devices is using the official ZKTeco management software.
: Automatically scans a local area network (LAN) to identify connected ZKTeco devices, such as the ProFace X or F16, without needing their manual IP addresses. zkteco ip scanner
Visit the official ZKTeco website → Support → Downloads → Utilities. The most reliable way to "scan" for devices
Your PC is on 192.168.2.x but the device is on 192.168.1.x . Solution: The ZKTeco IP Scanner does not route across subnets natively. You must: zkteco ip scanner