online CIDR and IP subnet calculator : Check host

203.150.181.0-203.150.181.255
203.150.181.0/24

203.150.182.0-203.150.183.255
203.150.182.0/23

203.150.184.0-203.150.191.255
203.150.184.0/21

203.150.192.0-203.150.223.255
203.150.192.0/19

203.150.224.0-203.150.239.255
203.150.224.0/20

203.150.240.0-203.150.241.255
203.150.240.0/23

203.150.242.0-203.150.242.255
203.150.242.0/24

IP subnet calculator 203.150.181.0-203.150.242.255