Ahrefs

Ahrefs publishes crawler IP ranges via their public API.

Autonomous systems

BGP & hosting context

Ahrefs does not operate its own autonomous system. AhrefsBot traffic is commonly seen on commercial hosting; treat ASN as a hint only and confirm with reverse DNS and their official crawler IP API.

Third-party hosting & clouds

OVH SAS

AS16276

Example PTR observed in the wild: proxy-fr005-san224.ahrefs.net

Published ranges

Official documentation and feeds for each product—open the links for current ranges and verification guidance.

Official feed

AhrefsBot

Crawler IP ranges from Ahrefs’ public endpoint.

Official sources

Ahrefs crawler IP ranges (API)