online CIDR and IP subnet calculator : Check host

188.165.24.0-188.165.31.255
188.165.24.0/21

188.165.32.0-188.165.63.255
188.165.32.0/19

188.165.64.0-188.165.127.255
188.165.64.0/18

188.165.128.0-188.165.191.255
188.165.128.0/18

188.165.192.0-188.165.223.255
188.165.192.0/19

188.165.224.0-188.165.239.255
188.165.224.0/20

188.165.240.0-188.165.241.255
188.165.240.0/23

IP subnet calculator 188.165.24.0-188.165.241.255