IBM SAI Crawlerdomino.research.ibm.comsai-crawler
IBM SAI research crawler
About this crawler
IBM SAI Crawlerdomino.research.ibm.comsai-crawler is a web crawler identified by the regular-expression pattern IBM SAI Crawler|domino\.research\.ibm\.com\S*sai-crawler in the User-Agent request header. It is categorised as academic. Use the regex above to detect, log, allow, or block IBM SAI Crawlerdomino.research.ibm.comsai-crawler traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.065%
Technical details
- Name
- IBM SAI Crawlerdomino.research.ibm.comsai-crawler
- Pattern
IBM SAI Crawler|domino\.research\.ibm\.com\S*sai-crawler- Tags
- academic
- Reference
- http://domino.research.ibm.com/comm/research_projects.nsf/pages/sai-crawler.callingcard.html
- Added
- 2026/05/09
- Instances
- 2 known sample(s)
Sample User-Agent strings
IBM SAI Crawler/1.0
http://domino.research.ibm.com/comm/research_projects.nsf/pages/sai-crawler.callingcard.html
Block this crawler
robots.txt — disallow IBM SAI Crawlerdomino.research.ibm.comsai-crawler:
User-agent: IBM SAI Crawlerdomino.research.ibm.comsai-crawler
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} IBM SAI Crawler|domino\.research\.ibm\.com\S*sai-crawler [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "IBM SAI Crawler|domino\\.research\\.ibm\\.com\\S*sai-crawler") {
return 403;
}
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