FacebookBot
by Meta
About this crawler
Meta crawler historically used to improve products and language models.
Usually means: An AI provider's bot accessed this URL outside the usual answer, indexing, or training flows.
User agent
FacebookBotReignat 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 FacebookBot.
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.