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 Support team helped me with this a few months ago, API not needed. From the Data Mangement DHCP view, export data (all DHCP scopes) in Infoblox CSV import format. Then use Excel to sort / search / filter for the specific address.