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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

How it's verified

Currently loaded ranges (sample) Refreshed Jul 20, 2026
57.141.4.0/24157.240.238.0/2457.144.114.0/2357.145.8.0/232a03:2880:f013::/48157.240.12.0/24157.240.14.0/242a03:2880:f16d::/4857.144.178.0/232a03:2880:f158::/48

1 IP source configured

Meta's page for meta-externalads

Sources

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

FacebookBot is an AI-related crawler operated by Meta.

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