online CIDR and IP subnet calculator : Check host

54.203.243.204-54.203.243.207
54.203.243.204/30

54.203.243.208-54.203.243.223
54.203.243.208/28

54.203.243.224-54.203.243.255
54.203.243.224/27

54.203.255.0-54.203.255.127
54.203.255.0/25

54.203.255.128-54.203.255.191
54.203.255.128/26

54.203.244.0-54.203.247.255
54.203.244.0/22

54.203.248.0-54.203.251.255
54.203.248.0/22

54.203.252.0-54.203.253.255
54.203.252.0/23

54.203.254.0-54.203.254.255
54.203.254.0/24

IP subnet calculator 54.203.243.204-54.203.255.191