online CIDR and IP subnet calculator : Check host

104.223.10.0-104.223.11.255
104.223.10.0/23

104.223.12.0-104.223.15.255
104.223.12.0/22

104.223.16.0-104.223.31.255
104.223.16.0/20

104.223.32.0-104.223.63.255
104.223.32.0/19

104.223.64.0-104.223.71.255
104.223.64.0/21

104.223.72.0-104.223.73.255
104.223.72.0/23

104.223.74.0-104.223.74.255
104.223.74.0/24

IP subnet calculator 104.223.10.0-104.223.74.255