Free Shodan Alternatives

The best free alternative to Shodan is Criminal IP. If that doesn't suit you, our users have ranked more than 25 alternatives to Shodan and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Shodan are ZoomEye, Censys, IVRE and wapiti.

filter to find the best alternatives

Shodan alternatives are mainly Vulnerability Scanners but may also be Penetration Testing Tools or Network Monitors.  Other popular filters includes Free + Penetration Testing. Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Shodan.
Shodan iconShodan
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Shodan is a search engine that lets you find specific computers (routers, servers, etc.) using a variety of filters. Some have also described it as a public port scan directory or a search engine of banners.

More about Shodan
Shodan alternatives page was last updated Feb 14, 2023
  1. Criminal IP icon
     58 likes

    Criminal IP 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.

    13 Criminal IP alternatives
    Criminal IP screenshot 1

    License model

    • FreemiumProprietary

    Application type

    Platforms

    • Online

    Properties

    1.  Security-focused

    Features

    1.  API Integration
    2.  Search IP addresses
    Criminal IP iconShodan Icon

    Criminal IP VS Shodan

    Is Criminal IP a good alternative to Shodan?
     
    Comments about Criminal IP as an Alternative to Shodan
     
       
    Comment summary: Criminal IP is considered a strong alternative to Shodan by users who appreciate its free beta access. Many users highlight the ease of use and the ability to find results that other search engines, like Google, cannot. Although Shodan offers more extensive data in some aspects, Criminal IP is valued for its comprehensive search results and the accessible nature of its services, attracting those who prioritize free access in their choice of IoT search engines.
    183xh1n

    If you are looking for a free search engine, Criminal IP should be your choice. I mean, it's currently in beta stage and free so why not?

    Top positive commentJul 19, 2022
    4
    dikocem681

    Criminal IP has the benefit of being in Beta. They're completely free to use.

    Positive commentDec 30, 2022
    0
    yenexok620

    the free service is appealing

    Positive commentNov 23, 2022
    0
    Show more comments
    3 of 18 comments
    Shodan Icon
    Criminal IP icon
    • Almost everyone thinks Criminal IP is a great Shodan alternative.

    • Criminal IP is the most popular Web-based alternative to Shodan.

    • Criminal IP is the most popular free alternative to Shodan.

    • Criminal IP is Freemium and ProprietaryShodan is also Freemium and Proprietary
    • Criminal IP is Security-focusedShodan is not according to our users
  2. ZoomEye icon
     15 likes

    Network mapping service.

    27 ZoomEye alternatives
    ZoomEye screenshot 1

    License model

    • FreemiumProprietary

    Platforms

    • Online

    ZoomEye Features

    1.  Manual Pen-Testing
    2.  Network Mapping
    ZoomEye iconShodan Icon

    ZoomEye VS Shodan

    Is ZoomEye a good alternative to Shodan?
     
    Comments about ZoomEye as an Alternative to Shodan
     
    hednkm

    never imagined i could one day find myself a hacked website... cheers to the team!

    Positive commentJul 15, 2022
    0
    Guest

    the best shodan alternative

    Positive commentNov 4, 2017
    0
    Shodan Icon
    ZoomEye icon
    • Most users think ZoomEye is a great Shodan alternative.

    • ZoomEye is Freemium and ProprietaryShodan is also Freemium and Proprietary
  3. Censys icon
     21 likes

    Censys is a search engine that allows computer scientists to ask questions about the devices and networks that compose the internet.

    24 Censys alternatives
    Censys screenshot 1

    License model

    • FreemiumOpen Source

    Platforms

    • Online

    Censys Features

    1.  Security Monitoring
    2.  Network Scanner
    Censys iconShodan Icon

    Censys VS Shodan

    Is Censys a good alternative to Shodan?
     
    Comments about Censys as an Alternative to Shodan
     
    Guest

    Fresher data, more ports scanned

    Positive commentDec 7, 2020
    0
    Guest

    no limit on number of searches, lots of filters

    Positive commentMay 5, 2020
    0
    Shodan Icon
    Censys icon
    • Most users think Censys is a great Shodan alternative.

    • Censys is the most popular Open Source alternative to Shodan.

    • Censys is Freemium and Open SourceShodan is Freemium and Proprietary
  4. IVRE icon
     21 likes

    Network recon framework, including a web interface to browse Nmap scan results.

    12 IVRE alternatives
    IVRE screenshot 1

    License model

    • FreeOpen Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • BSD
    • Self-Hosted

    IVRE Features

    1.  Command line interface
    2.  No registration required
    3.  Works Offline
    4.  Search IP addresses
    5.  Network Scanner
    IVRE iconShodan Icon

    IVRE VS Shodan

    Is IVRE a good alternative to Shodan?
     
    Comments about IVRE as an Alternative to Shodan
     
    nm17

    Great for indexing local networks and such

    Positive commentOct 11, 2020
    0
    Guest

    Because it's an open-source framework for scanning, indexing and researching data about connected device... Like Shodan.

    Positive commentJun 1, 2017
    0
    Guest

    Because it's completely free and open-source and works exactly like Shodan.

    Positive commentMar 4, 2020
    0
    Shodan Icon
    IVRE icon
    • Some users think IVRE is a great Shodan alternative, some don't.

    • IVRE is the most popular Windows, Mac, Linux & Self-Hosted alternative to Shodan.

    • IVRE is Free and Open SourceShodan is Freemium and Proprietary
  5. wapiti icon
     7 likes

    Wapiti allows you to audit the security of your web applications. Wapiti is a command line tool.

    14 wapiti alternatives

    License model

    • FreeOpen Source

    Platforms

    • Windows
    • Linux

    wapiti Features

    1.  Command line interface
    wapiti iconShodan Icon

    wapiti VS Shodan

    Is wapiti a good alternative to Shodan?
     
  6. FOFA icon
     3 likes

    FOFA is a search engine that allows you to map global cyberspace.

    25 FOFA alternatives
    Result page

    License model

    • FreeProprietary

    Application type

    Platforms

    • Online

    FOFA Features

    1.  Search IP addresses
    FOFA iconShodan Icon

    FOFA VS Shodan

    Is FOFA a good alternative to Shodan?
     
  7. skipfish icon
     13 likes

    A fully automated, active web application security reconnaissance tool. Key features: High speed: pure C code, highly optimized HTTP handling, minimal CPU footprint - easily achieving 2000 requests per second with responsive targets.

    27 skipfish alternatives
    at work, during scanning

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD

    skipfish Features

    1.  Command line interface
    2.  Heuristic Detection
    Discontinued

    Skipfish is no longer maintained. Last version, 2.10 beta, released in December 2012, can be still downloaded from Google Code Archive

    skipfish iconShodan Icon

    skipfish VS Shodan

    Is skipfish a good alternative to Shodan?
     
7 of 21 Shodan alternatives