https://www.drupal.org/files/images/ip_ranges.png

​ would allow you to ban IP ranges.

​Or if it is just form submissions, you could also try 

https://www.drupal.org/project/fbip

​ to automate IP blocking by Drupal.

Tanay​

​

​

On Sat, Jan 3, 2015 at 8:56 AM, mick <bareman@tpg.com.au> wrote:

I am copping upto 50 access violations per day, 90% of them from 1 of 4 subnets and instead of banning each IP address I would like to ban the entire subnets they are comming from,
eg 66.249.65.74 is one of many similar addresses
instead of individually banning 66.249.64.0 thru 66.249.95.255 I wish I could enter 66.249.64.0/19 and be done with that group of trouble makers.

I'm also curious about cron appearing to be run by these unauthorised users.