Source CIDR

Outbrain Crawler

Outbrain operates advertising discovery crawlers; Source CIDR maintains a Google-style prefix JSON from published allowlist research - verify against Outbrain’s live help documentation before enforcement.

Autonomous systems

AS22075

Outbrain crawler prefixes Maintained feed

Official sources

Documentation

Published prefixes

  • 192.82.210.0/23
  • 64.74.236.0/24
  • 66.150.103.0/24
  • 70.42.32.0/24
  • 167.88.57.0/24