CIDR(s) for IP Range 192.168.21.0 - 192.168.21.254allow from 192.168.21.0/25
allow from 192.168.21.128/26
allow from 192.168.21.192/27
allow from 192.168.21.224/28
allow from 192.168.21.240/29
allow from 192.168.21.248/30
allow from 192.168.21.252/31
allow from 192.168.21.254/32