Not getting metric value(cpu.memery,etc) from prometheus

i am not Not getting metric value like-cpu.memery,etc from prometheus for some ip only.
i have 130 IP,from that list i am only getting 110 IP metric value and rest 20 ip not getting metric value.

but in prometheus i am getting all IP metric.

Prometheus and grafana,both are running in some server.
but still some ip is not getting metric in grafana.

can you help me on this issue.
chandra bhushan

welcome to the :grafana: forum, @cbzchotu

what grafana version are you running?