online CIDR and IP subnet calculator : Check host

18.221.154.0-18.221.155.255
18.221.154.0/23

18.221.156.0-18.221.159.255
18.221.156.0/22

18.221.160.0-18.221.191.255
18.221.160.0/19

18.221.192.0-18.221.255.255
18.221.192.0/18

18.222.160.0-18.222.160.3
18.222.160.0/30

18.222.0.0-18.222.127.255
18.222.0.0/17

18.222.128.0-18.222.159.255
18.222.128.0/19

IP subnet calculator 18.221.154.0-18.222.160.3