Ban IPs using CIDR

Recommend allowing the use of CIDR in the Ban IPs area.

For example:

5.2.80.0/21

to block IP range of:

5.2.80.0 – 5.2.87.255

This will allow quicker blocking of entire countries when necessary.

http://ww.wp.xz.cn/plugins/all-in-one-wp-security-and-firewall/