LeakIX is an internet-wide search engine for discovering exposed services, leaked credentials, and vulnerable infrastructure. It is aimed at security researchers, penetration testers, and defenders, with results enriched by service fingerprints and exposure data.
💡 Pick it for the broadest internet-wide device coverage, mature APIs, and stronger monitoring ecosystem.
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
💡 Choose it for certificate-centric research and structured external attack-surface management.
Censys helps organizations discover and monitor every server, device, and system connected to the internet.
Contact for pricing
💡 Use it when you want another broad cyberspace index with strong device and protocol filtering.
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
💡 Pick it for granular queries and broad regional coverage, especially when other indexes miss an asset.
FOFA is a cyberspace asset search engine for finding internet-facing hosts, services, applications, and devices. It is popular with researchers and penetration...
Freemium, paid plans vary
AI SPERA
💡 Choose it when exposed-asset discovery must be combined with malicious-IP context and risk prioritization.
Criminal IP is an internet asset intelligence platform that searches exposed IPs, domains, devices, vulnerabilities, and malicious infrastructure. It is designed for...
Freemium, paid plans vary
Netlas
💡 Pick it for a modern interface that links hosts, domains, certificates, and vulnerabilities in one investigation.
Netlas is an internet intelligence and asset-search platform covering hosts, domains, services, certificates, and web technologies. It serves security researchers and defenders...
Freemium; paid plans vary
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