Ajax Register - are IP ranges allowed in blocked IP's ?

I'm using Ajax Register and would like to ban various country IP's that are known for high spam.

Is there a wild card or range syntax to use for this in Ajax Register?

Currently it's not supported but I will add this in the next update along with some other Captcha options.

That sounds great!  Thank you for the reply and for the active development of the product!

I recommend it to users regularly on other forums! 

Added support for IP ranges and wildcards. Example: 1.2.3.0-1.2.3.255 or 1.2.3.*

The feature will be available in 1.5.0 coming soon (a day or two).