Scanners & probes

Shodan

Shodanmedium confidence

Search engine for Internet-connected devices; its crawlers continuously query hosts and collect service banners for the Shodan index.

Dossier

Operator
Shodan
Documentation
None published
robots.txt token
None documented
Feeds
security scan, research
Follows robots.txt
Not documentedNo published opt-out or robots.txt policy found; scanner hosts reportedly use *.shodan.io hostnames (e.g. census.shodan.io).
How to verify
Reverse DNS
Names in our logs
shodan
Researched
23 Oct 2026

Observed on New Runtime

Baseline 2026-10-23 · 93-day window · loading live numbers…

Requests
4
Days active
4 / 93
First seen
29 Jul 2026
Last seen
21 Oct 2026
Returningscanner

Daily requests across the observed window, square-root scale.

Identity check claimed vs verified

  • No per-family identity check is published for this reader; its name is a claim.

What it reads crawler journeys · current window

  • The crawler-journeys aggregate tracks reading depth for the busiest named crawlers only; this family is not among them.

Sources

  1. help.shodan.iohelp.shodan.io/the-basics/what-is-shodan
  2. netify.aiwww.netify.ai/resources/hostnames/census.shodan.io
Who read this page?Machine requests, hidden until opened

Loading the privacy-safe route aggregate…

Open the JSON contract