YiyanBot
by Baidu
About this crawler
Baidu bot associated with Ernie Bot (Yiyan) experiences.
Usually means: An AI provider's bot accessed this URL outside the usual answer, indexing, or training flows.
User agent
YiyanBotReignat matches these as user-agent tokens, not full browser strings. Providers may add surrounding version or product text.
IP verification
i
Identified by user agent only
Baidu 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 YiyanBot.
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.