AI bots
MistralAI-User: what it is, its IP ranges, and how to block it
MistralAI-User is Mistral AI's crawler for AI search and answers.
| Vendor | Mistral AI |
|---|---|
| What it is for | AI search and answers |
| In its User-Agent | MistralAI-User |
| Its vendor's address list | https://mistral.ai/mistralai-user-ips.json |
| IP ranges | 4 |
It reads a page for an AI's search or for a person who asked an assistant, and can bring visitors. Bot Protection lets it through by default; you can block it.
How to verify it
Any bot can write MistralAI-User in its User-Agent. A request is MistralAI-User only when its address is in Mistral AI's published list below: check the address, not the name.
How to block it
With robots.txt, you ask it to stay out:
User-agent: MistralAI-User Disallow: /
robots.txt is a request, not a block, and it cannot tell the real crawler from a bot wearing its name. Bot Protection verifies MistralAI-User by its address on every request and answers it as you choose on the Set-up page, per kind or for MistralAI-User alone; a bot that only wears the name is judged like any other bot.
Its IP ranges
From Mistral AI's own list, downloaded again every day.
IPv4
20.240.160.161/32 20.240.160.1/32 20.240.194.83/32 51.12.243.114/32