shodan.io

Shodan

Who runs Shodan, what it tracks and what it costs, and the 20 closest internet scanning and attack surface intelligence alternatives.

Who’s behind it
Not stated
Online since
Unknown
Trackers
Prices
No pricing page
Last price change
–
Closest alternative
Censys

Measured from Shodan’s own pages, the Internet Archive and public records. Hover a dotted value for its source and date.

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Visit Shodan

01 · Who’s behind it

Who runs Shodan

Shodan shodan.io

Search Engine for the Internet of Things

Wikidata: American web search engine

Company
No imprint we could read
Online since
Not in the Internet Archive
Audience
In English

02 · Privacy

What Shodan tracks

What the homepage loads before you accept or decline cookies. A cookie banner should hold most of it back until you agree, and a tag manager can load more that we don’t see.

trackers that follow visitors

None of the 20 alternatives below has fewer; 16 have more.

Privacy-friendly alternatives →
Cookie banner
None found

We found no trackers, ad pixels or third-party embeds on Shodan’s homepage.

03 · Alternatives

Alternatives to Shodan

Thumbs up if it’s a real alternative to Shodan, thumbs down if it isn’t.

No ad trackersRegistered in the EUFree planOnly in English
  1. 01
    Censys censys.com English 3 trackers

    Censys | The Authority for Internet Intelligence and Insights

    Censys empowers security teams with the most comprehensive, accurate, and up-to-date map of the internet to defend attack surfaces and hunt for threats.

    Compare Censys with Shodan →
  2. 02
    Fofa网络空间测绘系统 fofa.info Chinese No trackers

    网络空间测绘,网络空间安全搜索引擎,网络空间搜索引擎,安全态势感知 - FOFA网络空间测绘系统

    FOFA 是白帽汇推出的一款网络空间搜索引擎,它通过进行网络空间测绘,能够帮助研究人员或者企业迅速进行网络资产匹配,例如进行漏洞影响范围分析、应用分布统计、应用流行度排名统计等。

    Compare Fofa网络空间测绘系统 with Shodan →
  3. 03
    GreyNoise greynoise.io English 4 trackers

    GreyNoise | Real-Time Network Threat Intelligence

    The network edge is your blind spot. GreyNoise delivers real-time threat intelligence to detect active exploitation, uncover compromised devices, and investigate attacks as they happen.

    Compare GreyNoise with Shodan →
  4. 04
    cymru.com Top 10K English 6 trackers

    Real-Time Threat Intelligence With Unmatched Internet Visibility

    Scanners and feeds see the edge. Team Cymru, the threat intelligence company trusted by 1,000+ partners, sees adversary infrastructure as it forms.

    Compare cymru.com with Shodan →
  5. 05
    VirusTotal virustotal.com Top 10K English 2 trackers

    VirusTotal

    VirusTotal

    Compare VirusTotal with Shodan →
  6. 06
    urlscan urlscan.io English 1 tracker

    URL and website scanner - urlscan.io

    urlscan.io - Website scanner for suspicious and malicious URLs

    Compare urlscan with Shodan →
  7. 07
    Google google.com Top 100 German No trackers

    Google

    search engine by Google LLC

    Compare Google with Shodan →
  8. 08
    Ahrefs ahrefs.com Top 10K English 7 trackers

    Ahrefs—AI Marketing Platform Powered by Big Data

    We help marketers drive visibility across AI search, SEO, content, and social – with the largest AI and search databases online.

    Compare Ahrefs with Shodan →
  9. 09
    Similarweb similarweb.com Top 10K English 3 trackers

    Similarweb: AI-Powered Digital Data Intelligence Solutions

    Similarweb is an AI-powered digital data company providing real-time market intelligence, competitive insights, and consumer trends to accelerate business growth.

    Compare Similarweb with Shodan →
  10. 10
    Mojeek mojeek.com English No trackers

    Mojeek

    Mojeek is a web search engine that provides unbiased, fast, and relevant search results combined with a no tracking privacy policy.

    Compare Mojeek with Shodan →
  11. 11
    Tavily tavily.com English 2 trackers

    Tavily

    Tavily is the real‑time search engine for AI agents — Fast and secure APIs for web search and content extraction.

    Compare Tavily with Shodan →
  12. 12
    Sucuri sucuri.net English 4 trackers

    Sucuri - Complete Website Security, Protection & Monitoring

    Website security made simple—Sucuri offers fast malware cleanup, reliable monitoring, and powerful protection for any CMS.

    Compare Sucuri with Shodan →
  13. 13
    NetScout Systems netscout.com English 1 tracker

    NETSCOUT Observability, Cybersecurity, DDoS, & AIOps Solutions

    Drive observability, cybersecurity, DDoS protection, and AIOps initiatives with NETSCOUT's AI-ready data platform. Observe and secure your entire network with end-to-end visibility.

    Compare NetScout Systems with Shodan →
  14. 14
    IPinfo ipinfo.io Top 10K English 1 tracker

    IP Data Intelligence for Developers & Enterprises | IPinfo

    IPinfo, the trusted global leader in IP address data and intelligence. Powering applications and security solutions for developers and businesses.

    Compare IPinfo with Shodan →
  15. 15
    Tenable® tenable.com Top 10K English 2 trackers

    Vulnerability and exposure management | Cloud and AI security | Tenable®

    The leader in exposure management and AI security, Tenable cybersecurity solutions reduce cyber risk across IT, OT, cloud, identity & hybrid attack surfaces.

    Compare Tenable® with Shodan →
  16. 16
    Group-IB group-ib.com English 2 trackers

    Group-IB | Prediction-First Cybersecurity and Anti-Fraud

    Prediction-First cybersecurity built on collective defense. Group-IB unites cyber and fraud through cyber-fraud fusion to act before attackers and fraudsters complete their next move.

    Compare Group-IB with Shodan →
  17. 17
    HAProxy Technologies haproxy.com English 2 trackers

    HAProxy Technologies | Powering the World's Busiest Applications

    Simplify, scale, and secure modern applications, APIs, and AI services in any environment. HAProxy Technologies is the company behind HAProxy.

    Compare HAProxy Technologies with Shodan →
  18. 18
    DuckDuckGo duckduckgo.com Top 1K English No trackers

    DuckDuckGo - Protection. Privacy. Peace of mind.

    The Internet privacy company that empowers you to seamlessly take control of your personal information online, without any tradeoffs.

    Compare DuckDuckGo with Shodan →
  19. 19
    Semrush semrush.com Top 10K English Free plan 2 trackers

    Semrush: Your Unfair Advantage for Growing Brand Visibility

    Semrush is the leading platform to grow and measure brand visibility across AI search, SEO, PPC, social, and more.

    Compare Semrush with Shodan →
  20. 20
    You.com you.com English 1 tracker

    You.com | Search and inference for AI

    The core AI infrastructure you need to maximize accuracy while reducing latency and costs.

    Compare You.com with Shodan →

Closest first, by how much each site’s offer resembles Shodan’s. Trackers are counted the same way as above. Highlighted technologies are ones Shodan uses too. Votes and comments come from visitors and don’t change the order.

04 · History

No changes yet. Each new crawl is compared with the last one, and what Shodan adds, drops or rewrites shows up here.

05 · Details

How we measure

Alternatives are matched by what sites actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Trackers and the rest of the stack come from the homepage’s code and DNS records.

The full technology stack, the competitor map and search numbers · 5 technologies
Neighbours
k = 20
Sites searched
9,193
Vector
384-d
Query
33 ms

Competitor map

Each alternative by how close its vector is to Shodan’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Hover for the numbers, click to jump to it in the list.

similarity × popularity

Tenable®IPinfoTavilyMojeekAhrefsGoogleurlscancymru.comGreyNoiseCensys