CensysInspect

scanner CensysInspect\/

Censys web crawler for security scanning

About this crawler

CensysInspect is a web crawler identified by the regular-expression pattern CensysInspect\/ in the User-Agent request header. It is categorised as scanner. Use the regex above to detect, log, allow, or block CensysInspect traffic in your web server, CDN edge rules, or robots.txt.

Block-rate · top 25k sites

0.52%
latest snapshot
2026-06-04
matched key: CensysInspect
2026-05-012026-06-040.74%

Technical details

Name
CensysInspect
Pattern
CensysInspect\/
Tags
scanner
Reference
https://about.censys.io
Added
2025/04/22
Instances
1 known sample(s)

Sample User-Agent strings

Mozilla/5.0 (compatible; CensysInspect/1.1; +https://about.censys.io/)

Block this crawler

robots.txt — disallow CensysInspect:

User-agent: CensysInspect Disallow: /

Apache .htaccess — return 403:

RewriteEngine On RewriteCond %{HTTP_USER_AGENT} CensysInspect\/ [NC] RewriteRule .* - [F,L]

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "CensysInspect\\/") { return 403; }
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