{
  "id": "integralads-crawler",
  "name": "IAS Crawler",
  "operator": {
    "name": "Integral Ad Science",
    "url": "https://integralads.com/"
  },
  "description": "Content-rating and ad-verification crawler operated by Integral Ad Science. It visits web pages to assess content quality and brand safety and to support invalid-traffic detection for advertisers. IAS publishes the public-facing addresses its robots crawl from as a JSON file linked from its indexing policy; the file is in a shape this directory's feed formats cannot consume, so the ranges are snapshotted here instead.",
  "docs": [
    "https://integralads.com/site-indexing-policy/"
  ],
  "category": "seo",
  "user_agents": {
    "patterns": [
      "ias_crawler"
    ],
    "instances": [
      "IAS Crawler (ias_crawler; http://integralads.com/site-indexing-policy/)"
    ]
  },
  "behavior": {
    "respects_robots_txt": true,
    "robots_token": "ias_crawler"
  },
  "verification": [
    {
      "type": "static_cidrs",
      "cidrs": [
        "3.217.168.199",
        "3.226.51.67",
        "18.214.43.70",
        "23.21.212.31",
        "34.195.212.30",
        "35.175.92.196",
        "92.42.105.32",
        "92.42.105.33",
        "92.42.105.34",
        "92.42.105.35",
        "92.42.105.36",
        "92.42.105.37",
        "92.42.105.38",
        "92.42.105.39",
        "92.204.170.15",
        "92.204.190.235",
        "92.204.248.55",
        "151.106.17.251",
        "162.211.125.4",
        "162.211.125.5",
        "162.211.125.6",
        "162.211.125.7",
        "162.211.125.8",
        "173.224.127.64",
        "173.224.127.65",
        "173.224.127.66",
        "173.224.127.67",
        "173.224.127.68",
        "173.224.127.69",
        "173.224.127.70",
        "173.224.127.71"
      ]
    }
  ],
  "tier": 2,
  "tier_label": "Verifiable",
  "first_seen": "2026-07-16T01:14:20.999Z",
  "resolved_cidrs": [
    "151.106.17.251",
    "162.211.125.4",
    "162.211.125.5",
    "162.211.125.6",
    "162.211.125.7",
    "162.211.125.8",
    "173.224.127.64",
    "173.224.127.65",
    "173.224.127.66",
    "173.224.127.67",
    "173.224.127.68",
    "173.224.127.69",
    "173.224.127.70",
    "173.224.127.71",
    "18.214.43.70",
    "23.21.212.31",
    "3.217.168.199",
    "3.226.51.67",
    "34.195.212.30",
    "35.175.92.196",
    "92.204.170.15",
    "92.204.190.235",
    "92.204.248.55",
    "92.42.105.32",
    "92.42.105.33",
    "92.42.105.34",
    "92.42.105.35",
    "92.42.105.36",
    "92.42.105.37",
    "92.42.105.38",
    "92.42.105.39"
  ]
}