online CIDR and IP subnet calculator : Check host

216.81.233.0-216.81.233.127
216.81.233.0/25

216.81.233.128-216.81.233.191
216.81.233.128/26

216.81.233.192-216.81.233.223
216.81.233.192/27

216.81.214.0-216.81.215.255
216.81.214.0/23

216.81.216.0-216.81.223.255
216.81.216.0/21

216.81.224.0-216.81.231.255
216.81.224.0/21

216.81.232.0-216.81.232.255
216.81.232.0/24

IP subnet calculator 216.81.214.0-216.81.233.223