Scan Digi Xbee Wireless Modems and Wireless Sensor

Hi, We are working with wireless modem and sensors which basically support the 900hp-S3-B protocol.

Till now I was only able to understand ATI commands to work with Xbee device but I am looking for the best way which helps me to scan all the Xbee devices which are using nearby

Wireless Modem
https://store.ncd.io/product/900hp-s3b-long-range-wireless-mesh-modem-with-usb-interface/
Wireless Sensor
https://store.ncd.io/product/industrial-long-range-wireless-temperature-humidity-sensor/

Try the ND command: https://www.digi.com/resources/documentation/Digidocs/90001477/Default.htm#reference/r_cmd_nd.htm