online CIDR and IP subnet calculator : Check host

104.17.0.0-104.17.127.255
104.17.0.0/17

104.17.128.0-104.17.191.255
104.17.128.0/18

104.17.192.0-104.17.223.255
104.17.192.0/19

104.17.224.0-104.17.239.255
104.17.224.0/20

104.17.240.0-104.17.243.255
104.17.240.0/22

104.17.244.0-104.17.245.255
104.17.244.0/23

104.16.0.0-104.16.255.255
104.16.0.0/16

IP subnet calculator 104.16.0.0-104.17.245.255