online CIDR and IP subnet calculator : Check host

18.217.139.0-18.217.139.255
18.217.139.0/24

18.217.140.0-18.217.143.255
18.217.140.0/22

18.217.144.0-18.217.159.255
18.217.144.0/20

18.217.160.0-18.217.191.255
18.217.160.0/19

18.217.192.0-18.217.223.255
18.217.192.0/19

18.217.224.0-18.217.227.255
18.217.224.0/22

18.217.228.0-18.217.229.255
18.217.228.0/23

IP subnet calculator 18.217.139.0-18.217.229.255