All crawlers

Claude bots

Operated by Anthropic. Crawling, search and user-triggered fetches for Claude

38 published ranges Operator updated 2026-10-07 Official source

User-agents

Published IP ranges

Change history

DateAddedRemovedTotal after
2026-10-08 +10 -0 38
2026-10-03 +2 -0 28
2026-08-20 +3 -0 26
2026-08-14 +2 -0 23
2026-08-13 +21 -0 21

Machine-readable

GET /v1/bots/claude-bots

GET /v1/changes?bot=Claude%20bots