online CIDR and IP subnet calculator : Check host

18.210.218.0-18.210.219.255
18.210.218.0/23

18.210.220.0-18.210.223.255
18.210.220.0/22

18.210.224.0-18.210.255.255
18.210.224.0/19

18.211.0.0-18.211.31.255
18.211.0.0/19

18.211.32.0-18.211.47.255
18.211.32.0/20

18.211.48.0-18.211.55.255
18.211.48.0/21

18.211.56.0-18.211.59.255
18.211.56.0/22

IP subnet calculator 18.210.218.0-18.211.59.255