Shodan is a search engine that lets you find specific types of computers (routers, servers, etc.) connected to the internet.
Free trial available, pricing varies based on usage
Best Criminal IP Alternatives ranked by AI · updated Aug 2026
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Criminal IP is an internet asset intelligence platform that searches exposed IPs, domains, devices, vulnerabilities, and malicious infrastructure. It is designed for security teams, threat researchers, and SOC analysts, with risk scoring and visual investigation features.
Top 6 Criminal IP alternatives
Censys helps organizations discover and monitor every server, device, and system connected to the internet.
Contact for pricing
ZoomEye is a cyberspace search engine that allows users to search for specific network components. It can be used for network scanning...
Free and paid plans available
LeakIX is an internet-wide search engine for discovering exposed services, leaked credentials, and vulnerable infrastructure. It is aimed at security researchers, penetration...
Pros
- Strong focus on exposed services, leaks, and misconfigurations
- Provides detailed service fingerprints and historical exposure context
- Useful for reconnaissance and external attack-surface monitoring
Cons
- Smaller index and ecosystem than Shodan or Censys
- Search interface is less polished than leading commercial alternatives
- Coverage and data freshness can vary by protocol and region
Free, paid plans available
Netlas is an internet intelligence and asset discovery platform for security researchers, penetration testers, and defenders. It indexes exposed services, domains, certificates,...
Pros
- Combines host, domain, certificate, and web-technology data in one search interface
- Useful query language and API for reconnaissance workflows
- Often exposes detailed service metadata beyond basic port results
Cons
- Smaller data ecosystem and community than Shodan
- Free-tier limits can restrict large-scale research
- Results and historical coverage vary by asset and region
Freemium, paid plans from $49/mo
FOFA is a cyberspace asset search engine for finding internet-facing hosts, services, applications, and devices. It is popular with researchers and penetration...
Pros
- Powerful field-based query syntax for detailed reconnaissance
- Large inventory of web applications, devices, and services
- Useful technology and organization fingerprinting
Cons
- Documentation and interface are less approachable for English-speaking users
- Free quotas and exports are comparatively restrictive
- Results may require more validation than Censys data
Freemium, paid plans vary
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