online CIDR and IP subnet calculator : Check host

104.18.56.0-104.18.63.255
104.18.56.0/21

104.18.64.0-104.18.127.255
104.18.64.0/18

104.18.128.0-104.18.255.255
104.18.128.0/17

104.24.0.0-104.24.63.255
104.24.0.0/18

104.24.64.0-104.24.95.255
104.24.64.0/19

104.24.96.0-104.24.111.255
104.24.96.0/20

104.19.0.0-104.19.255.255
104.19.0.0/16

104.20.0.0-104.23.255.255
104.20.0.0/14

IP subnet calculator 104.18.56.0-104.24.111.255