Criminal IP is described as 'Protects IT assets and businesses by analyzing all years of cyber threats and prediciting exploits. Criminal IP provides real-time intelligence to enhance cybersecurity competencies in all aspects' and is a popular vulnerability scanner in the security & privacy category. There are more than 10 alternatives to Criminal IP, not only websites but also apps for a variety of platforms, including SaaS, Linux, Windows and Mac apps. The best Criminal IP alternative is Shodan, which is free. Other great sites and apps similar to Criminal IP are Censys, ZoomEye, FOFA and Intruder.