>>/20048/
I think we missed your post due to the flood.
Those options control how "wide" of a subnet gets banned. Narrow is /24, wide is /16.
Let's say the IP is 12.24.232.198
Then the narrow range is: 12.24.232.0
The wide: 12.24.0.0
Here's wikipee article about the topic:
https://en.wikipedia.org/wiki/Subnet

 >>/29156/
Thanks, I'll pass it on.