Are you interested in our Early Access Program (EAP)? This program allows you to preview code, test in your lab and provide feedback prior to General Availability (GA) release of all Infoblox products. If so, please click the link here.
The licenses can be obtained at the support portal by following the below articles: How to Download licenses from support portal? You may also check the following article (updated) for more information on the same: Infoblox Licensing Guidelines