Censys is a search engine that allows computer scientists to ask questions about the devices and networks that compose the internet.
Cost / License
- Freemium
- Open Source
Application type
Platforms
- Online
United States


The top-rated alternative to Shodan is Censys, which is open source with a free version. People also recommend ZoomEye, Criminal IP, FOFA and IVRE. There's no shortage of Vulnerability Scanners like Shodan, with more than 25 alternatives for the web, Linux, Windows, Mac and self-hosting.
Censys is a search engine that allows computer scientists to ask questions about the devices and networks that compose the internet.




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