CCBot
Common Crawl’s crawler FAQ and policy references.
Official sources
User agents
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CCBot/2.0 (+http://commoncrawl.org/faq/)
C
Common Crawl
Common Crawl operates CCBot for the open web corpus. Identification is primarily via user-agent; Common Crawl does not publish a standing machine-readable IP allowlist comparable to CDN bot JSON feeds.
Autonomous systems
Network background
Egress addresses can change with infrastructure; follow Common Crawl’s FAQ and community channels if you need operational detail beyond the documented user-agent.
Published ranges
Official documentation and feeds for each product—open the links for current ranges and verification guidance.