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Companies that use Censys

32 companies use Censys, as of October 2026.

Censys: Internet-wide attack-surface scanning. We've found 32 companies using Censys, most often in Automotive (7%) and Computer Security (7%), typically with 10,000+ employees and 63% based in United States.

Customers32companies use it
Most popular with10,000+ employees24× more likely than average
Typical customer10,000+employees · mostly United States
  1. Intuitintuit.comEnterprise Software · United States
    Seen Oct 2026
  2. Datadogdatadoghq.comIT Performance Management · United States
    Seen Oct 2026
  3. Sophossophos.comSoftware · United Kingdom
    1,001–5,000 employeesSeen Oct 2026
  4. Meta Platformsmeta.comIT Services · United States
    10,000+ employeesSeen Oct 2026
  5. AT&Tatt.comPostal and Telecommunications Services · United States
    10,000+ employeesSeen Oct 2026
  6. Coupangcoupang.comE-commerce · South Korea
    Seen Oct 2026
  7. HP Software Divisionhpe.comInformation Technology · United States
    10,000+ employeesSeen Oct 2026
  8. 10,000+ employeesSeen Oct 2026
  9. Allstateallstate.comInsurance · United States
    11–50 employeesSeen Oct 2026
  10. Nokia Networksnokia.comTelecommunications · Finland
    10,000+ employeesSeen Oct 2026
  11. 10,000+ employeesSeen Oct 2026
  12. 51–200 employeesSeen Oct 2026
  13. BlackRockblackrock.comAsset Management · United States
    10,000+ employeesSeen Oct 2026
  14. Aonaon.comProfessional Service · Austria
    10,000+ employeesSeen Oct 2026
  15. Bluevoyantbluevoyant.comComputer & Network Security · United States
    201–1,000 employeesSeen Oct 2026
  16. BorgWarnerborgwarner.comAutomotive · United States
    10,000+ employeesSeen Oct 2026
  17. CMC Telecom Companycmctelecom.vnTelecommunications · Vietnam
    Seen Oct 2026
  18. 51–200 employeesSeen Oct 2026

Censys customers also use

How much more likely Censys customers are to use each tool than the average company.

What kind of companies use Censys

Segments where Censys customers are more common than among all the companies we track.

  • 10,000+ employees50% of customers24×more likely

Industry

  1. Automotive7%
  2. Computer Security7%
  3. Higher Education7%
  4. IT Services7%
  5. Telecommunications7%
  6. Asset Management3%
  7. Biotechnology3%
  8. Chemicals3%

Company size

  1. 11–50 employees8%
  2. 51–200 employees8%
  3. 201–1,000 employees13%
  4. 1,001–5,000 employees13%
  5. 5,001–10,000 employees8%
  6. 10,000+ employees50%

Country

  1. United States63%
  2. Finland7%
  3. United Kingdom7%
  4. Austria4%
  5. Germany4%
  6. Estonia4%
  7. India4%
  8. South Korea4%

Breakdowns cover the 30 customers with company details so far.

Alternatives to Censys

Other tools in the same category, by how many companies use them.

Censys FAQ

How many companies use Censys?

We've found 32 companies using Censys among the 195,907 we've scanned so far. We only count a company when a direct public record backs it up.

What kind of companies use Censys?

Censys customers are most often in Automotive (7%), Computer Security (7%) and Higher Education (7%). The most common company size is 10,000+ employees (50% of customers with a known size).

Which countries use Censys the most?

Most Censys customers we've found are in United States (63%), Finland (7%) and United Kingdom (7%).

What are the alternatives to Censys?

The most used alternatives in the same category are GlobalSign (25,639 companies), Let's Encrypt (22,860 companies), Proofpoint (21,019 companies) and reCAPTCHA (19,016 companies).

How does runsonwhat know a company uses Censys?

We read public traces only. For Censys that means a domain-verification record in the company's DNS and the company's published subprocessor list. Every match keeps the record it came from.