Perplexity AI
PerplexityBot
Perplexity's indexing crawler that builds their search index for AI-powered answer generation with citations.
Purpose: Search indexing for AI answers
📊 Popularity & Traffic
#5Ranking among AI crawlers
Top 5 generative AI service globally by DNS query share in late 2024.
🤖 User Agent Strings
Use these patterns to identify PerplexityBot in your server logs or configure your robots.txt file.
PerplexityBot
Respects robots.txtMain indexing crawler for Perplexity search
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; PerplexityBot/1.0; +https://perplexity.ai/perplexitybot🌐 IP Ranges
Source: Official Perplexity JSON file
Official source fileIdentified IP Ranges4 Ranges
54.176.188.0/25Subnet with 128 addresses
34.224.0.0/12Subnet with 1048576 addresses
3.208.0.0/12Subnet with 1048576 addresses
52.0.0.0/10Subnet with 4194304 addresses
How to read CIDR notation:
The/28 suffix indicates a block of 16 IP addresses. For example,.112/28 covers all addresses from .112 up to .127. Adding these to your firewall will block the entire range used by PerplexityBot.📝 Robots.txt Configuration
Add the following to your robots.txt file to block PerplexityBot:
User-agent: PerplexityBot
Disallow: /💡 Important Notes
- NOT used for training LLMs - only for search indexing
- Perplexity sends traffic back to sources via citation links
- Blocking stops your content from appearing in Perplexity answers
Beyond blocking crawlers
See what AI is saying about your brand
Understanding crawlers is step one. With Aiso, you can see the actual conversations happening about your brand inside ChatGPT, Claude, and Perplexity.