AS32934 Meta Platforms (Facebook)

ContentUS

Facebook, Instagram, WhatsApp and Messenger infrastructure, including the facebookexternalhit link-preview crawler.

Traffic from AS32934 to your site is normally Meta's crawler fetching Open Graph previews when someone shares a link, or Facebook's ad verification. Blocking it breaks link previews on Facebook and WhatsApp.

Frequently asked questions

Why is Facebook hitting my server?

Link previews. When a URL is pasted into Facebook, Messenger or WhatsApp, Meta fetches it from AS32934 to build the preview card.

At a glance

ASNAS32934

OrganisationMeta Platforms (Facebook)

Network typeContent

Registered countryUS

Prefix lists change daily; look up a specific address to confirm it is announced by AS32934 today.

Is an address in AS32934?

Paste an IP; we check which ASN announces it.

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