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ClaudeBot

by Anthropic

AI training AI UA + IP range

Collects pages in bulk to train a model, unconnected to any individual user's question.

Anthropic crawler collecting public content that may be used to improve Claude.

What it usually means

Anthropic crawled this page as potential training data, unconnected to any individual user's question.

How to identify it

User-Agent tokens
claudebot
robots.txt stanza
User-agent: ClaudeBot

How it's verified

Published IP-range endpoints
Currently loaded ranges (sample) Refreshed Jul 20, 2026
216.73.216.0/2234.162.230.222/3234.162.244.71/3234.162.191.81/3234.150.241.79/3234.85.172.162/3235.245.175.129/3234.182.222.37/3234.186.108.163/3235.245.89.239/32

1 IP source configured

Anthropic's page for ClaudeBot

Sources

More from Anthropic

Claude-SearchBot

Anthropic crawler that discovers and refreshes content for Claude search.

Claude-User

User-triggered fetches when Claude opens a page to answer a person.

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