online CIDR and IP subnet calculator : Check host

211.169.30.0-211.169.31.255
211.169.30.0/23

211.169.32.0-211.169.63.255
211.169.32.0/19

211.169.64.0-211.169.127.255
211.169.64.0/18

211.169.128.0-211.169.143.255
211.169.128.0/20

211.169.144.0-211.169.151.255
211.169.144.0/21

211.169.152.0-211.169.155.255
211.169.152.0/22

211.169.156.0-211.169.156.255
211.169.156.0/24

IP subnet calculator 211.169.30.0-211.169.156.255