online CIDR and IP subnet calculator : Check host

72.103.240.0-72.103.255.255
72.103.240.0/20

72.107.0.0-72.107.127.255
72.107.0.0/17

72.107.128.0-72.107.159.255
72.107.128.0/19

72.107.160.0-72.107.175.255
72.107.160.0/20

72.107.176.0-72.107.177.255
72.107.176.0/23

72.104.0.0-72.105.255.255
72.104.0.0/15

72.106.0.0-72.106.255.255
72.106.0.0/16

IP subnet calculator 72.103.240.0-72.107.177.255