Googlebot
Search crawler ranges published by Google as JSON.
Autonomous systems and published crawler range endpoints for Google Search and Ads products. For Google Cloud egress prefixes, see the Google Cloud Platform entry (cloud.json)—distinct from Googlebot feeds.
Autonomous systems
Google — core / search backbone
Widely associated with Google’s main AS. Treat ASN alone as insufficient for bot verification.
Announced under this company
AS15169
Google — Asia Pacific
Regional Google ASNs often cited alongside core ranges. Confirm with official feeds for your use case.
Announced under this company
AS36040AS36039
Published ranges
Official documentation and feeds for each product—open the links for current ranges and verification guidance.
Google Ads / special crawlers
Special-crawler IP ranges including Ads-related fetchers.