Lesson9 - integrate KC868-Server to home assistant by MQTT

[Almhlws]

I try to integrate KC868-Server to the home assistant by MQTT
but I can't find the IP for the server 

the IP for  the home assistant is http://192.168.100.172:8123/

see the photo 

https://ibb.co/G2V4wQc
https://ibb.co/47cJmTn

https://ibb.co/rMMmr19


can you help me find the IP