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ICC Crawler

GoodBotVerifiedBOT

ICC-Crawler automatically crawls the Internet and collects web pages. ICC-Crawler is operated by the Universal Communication Research Institute at the National Institute of Information and Communications Technology (NICT). Operated by NICT.

GoodBot
Assessment
AI Crawler
Category
BOT
Kind
1
Data sources
AI-generated summary, drawn from Cloudflare, operator docs, and community data

What is ICC Crawler?

ICC Crawler is a web crawler operated by NICT. ICC-Crawler automatically crawls the Internet and collects web pages. ICC-Crawler is operated by the Universal Communication Research Institute at the National Institute of Information and Communications Technology (NICT). It is part of the growing wave of AI-powered crawlers that collect web data for training and improving AI models.

Helpful — Verified, safe crawler. Respects robots.txt and provides operator documentation.

Identification

Bot name
ICC Crawler
Operator
NICT
Category
AI Crawler
Kind
BOT
Verification
Verified bot
Cloudflare slug
icccrawler
User-agent patterns
ICC-Crawler/
User-agent string
ICC-Crawler/3.0 (Mozilla-compatible; ; https://ucri.nict.go.jp/en/icccrawler.html)
Main use cases
AI model training data collectionContent analysisWeb data extraction

Why it crawls your site

ICC Crawler crawls websites to collect and process web content for AI model training and improvement. It is operated by NICT as part of their AI and machine learning infrastructure. If you see this bot in your server logs, it is a verified crawler and generally safe.

Block or allow ICC Crawler

Block it

Add a Disallow rule for ICC-Crawler/ in your robots.txt file. You can also block at the server level using your web server configuration or CDN firewall rules to filter requests matching the user-agent string.

# Block ICC Crawler from crawling your entire site
User-agent: ICC-Crawler/
Disallow: /

# Allow ICC Crawler full access
User-agent: ICC-Crawler/
Allow: /
Allow & verify

Ensure your robots.txt allows ICC-Crawler/. Verify requests are genuine by checking the user-agent string and referring to NICT's documentation.

Traffic & trends

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Data sources

This profile is compiled from the following sources.

CloudflareRadar
Last updated July 26, 2026