IBM Almadenalmaden.ibm.com/cs/crawler

academic IBM Almaden|almaden\.ibm\.com/cs/crawler

IBM Almaden research crawler

About this crawler

IBM Almadenalmaden.ibm.com/cs/crawler is a web crawler identified by the regular-expression pattern IBM Almaden|almaden\.ibm\.com/cs/crawler in the User-Agent request header. It is categorised as academic. Use the regex above to detect, log, allow, or block IBM Almadenalmaden.ibm.com/cs/crawler traffic in your web server, CDN edge rules, or robots.txt.

Block-rate · top 25k sites

0.065%
latest snapshot
2026-06-04
matched key: IBM_Planetwide
2026-05-012026-06-040.11%

Technical details

Name
IBM Almadenalmaden.ibm.com/cs/crawler
Pattern
IBM Almaden|almaden\.ibm\.com/cs/crawler
Tags
academic
Reference
http://www.almaden.ibm.com/cs/crawler
Added
2026/05/09
Instances
2 known sample(s)

Sample User-Agent strings

IBM Almaden Crawler/1.0
http://www.almaden.ibm.com/cs/crawler [wf84]

Block this crawler

robots.txt — disallow IBM Almadenalmaden.ibm.com/cs/crawler:

User-agent: IBM Almadenalmaden.ibm.com/cs/crawler Disallow: /

Apache .htaccess — return 403:

RewriteEngine On RewriteCond %{HTTP_USER_AGENT} IBM Almaden|almaden\.ibm\.com/cs/crawler [NC] RewriteRule .* - [F,L]

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "IBM Almaden|almaden\\.ibm\\.com/cs/crawler") { return 403; }
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