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meta-externalads

by Meta

AI answers AI UA + IP range

Fetches a page when a user asks an assistant to answer with fresh web context.

meta-externalads is an AI-related crawler operated by Meta.

What it usually means

A person asked an AI assistant a question, and it fetched this URL to answer.

How to identify it

User-Agent tokens

meta-externalads

robots.txt stanza

User-agent: meta-externalads

Free tools

Verify a meta-externalads request Check if your site allows meta-externalads

How it's verified

Published IP-range endpoints

https://stat.ripe.net/data/announced-prefixes/data.json?resource=AS32934

Currently loaded ranges (sample) Refreshed Sep 4, 2026

163.77.136.0/232a03:2880:f37a::/48185.60.217.0/24157.240.14.0/242a03:2880:f366::/482a03:2880:f085::/4857.145.6.0/2357.145.16.0/2357.141.4.0/2457.144.186.0/23

1 IP source configured

Meta's page for meta-externalads

Sources

Meta crawler docs

More from Meta

meta-externalfetcher

Meta fetcher used when a person requests or shares a specific URL.

facebookexternalhit

facebookexternalhit is an AI-related crawler operated by Meta.

meta-externalagent

Meta crawler collecting public content to train its AI models and improve Meta products.

meta-webindexer

Meta crawler used to improve Meta AI search result quality.

FacebookBot is an AI-related crawler operated by Meta.

Similar bots

User-triggered Amazon fetches for fresh answers in products such as Alexa.

User-triggered fetches when ChatGPT opens a page to answer a person.

User-triggered fetches when Claude opens a page to answer a person.

User-triggered Microsoft Copilot fetches for AI answers.

See if meta-externalads has visited your site

Kitbase verifies and tracks bot and AI crawler traffic separately from human visitors, so you know exactly who's hitting your site.

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