meta-externalagent
by Meta
About this crawler
Meta crawler for indexing or improving Meta products and AI systems.
Usually means: A crawler is collecting this page's public content, which may be used to train or improve AI models.
User agent
meta-externalagentReignat matches these as user-agent tokens, not full browser strings. Providers may add surrounding version or product text.
IP verification
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Identified by user agent only
Meta does not publish IP ranges for this crawler, so the crawl is recorded but marked unverifiable rather than IP-verified.
1
User agent
Request user agent contains meta-externalagent.
2
Request IP
Server-side tracking forwards the crawler IP seen by your backend.
3
Range check
No published ranges exist, so the IP can't be confirmed.