online CIDR and IP subnet calculator : Check host

34.203.138.0-34.203.139.255
34.203.138.0/23

34.203.140.0-34.203.143.255
34.203.140.0/22

34.203.144.0-34.203.159.255
34.203.144.0/20

34.203.160.0-34.203.191.255
34.203.160.0/19

34.203.192.0-34.203.199.255
34.203.192.0/21

34.203.200.0-34.203.201.255
34.203.200.0/23

34.203.202.0-34.203.202.255
34.203.202.0/24

IP subnet calculator 34.203.138.0-34.203.202.255