Perplexity
Perplexity: Use their official JSON feeds for CIDRs: perplexitybot.json (crawler) and perplexity-user.json (user-initiated fetcher). Paste those CIDRs into your transform and tag accordingly. Note: Cloudflare reports “stealth” crawling from undeclared IPs, so IP-only matching can miss traffic. Perplexity+2The Cloudflare Blog+2
PerplexityBot
Perplexity-User
PerplexityBot
PerplexityBot is designed to surface and link websites in search results on Perplexity. It is not used to crawl content for AI foundation models. To ensure your site appears in search results, we recommend allowing PerplexityBot in your site’s robots.txt file and permitting requests from our published IP ranges listed below.
Full user-agent string: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; PerplexityBot/1.0; +https://perplexity.ai/perplexitybot)
Published IP addresses: https://www.perplexity.com/perplexitybot.json
Perplexity‑User
Perplexity-User supports user actions within Perplexity. When users ask Perplexity a question, it might visit a web page to help provide an accurate answer and include a link to the page in its response. Perplexity-User controls which sites these user requests can access. It is not used for web crawling or to collect content for training AI foundation models.
Full user-agent string: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Perplexity-User/1.0; +https://perplexity.ai/perplexity-user)
Published IP addresses: https://www.perplexity.com/perplexity-user.json
Since a user requested the fetch, this fetcher generally ignores robots.txt rules.
Notes
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