{
  "id": "bingbot",
  "name": "Bingbot",
  "operator": {
    "name": "Microsoft",
    "url": "https://www.microsoft.com"
  },
  "description": "Microsoft's primary web crawler, fetching pages for Bing Search indexing.",
  "docs": [
    "https://www.bing.com/webmasters/help/which-crawlers-does-bing-use-8c184ec0"
  ],
  "category": "search-engine",
  "user_agents": {
    "patterns": [
      "bingbot/\\d"
    ],
    "instances": [
      "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm) Safari/537.36",
      "Mozilla/5.0 (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm)"
    ]
  },
  "behavior": {
    "respects_robots_txt": true,
    "robots_token": "bingbot"
  },
  "verification": [
    {
      "type": "cidr_feed",
      "url": "https://www.bing.com/toolbox/bingbot.json",
      "format": "prefixes"
    },
    {
      "type": "rdns",
      "masks": [
        "*.search.msn.com"
      ]
    }
  ],
  "tier": 1,
  "tier_label": "Fully verifiable",
  "first_seen": "2026-07-08T19:13:49.571Z",
  "resolved_cidrs": [
    "13.66.139.0/24",
    "13.66.144.0/24",
    "13.67.10.16/28",
    "13.69.66.240/28",
    "13.71.172.224/28",
    "139.217.52.0/28",
    "157.55.39.0/24",
    "191.233.204.224/28",
    "199.30.24.0/23",
    "20.125.163.80/28",
    "20.15.133.160/27",
    "20.36.108.32/28",
    "20.43.120.16/28",
    "20.74.197.0/28",
    "20.79.107.240/28",
    "207.46.13.0/24",
    "40.77.139.0/25",
    "40.77.167.0/24",
    "40.77.177.0/24",
    "40.77.178.0/23",
    "40.77.188.0/22",
    "40.77.202.0/24",
    "40.79.131.208/28",
    "40.79.186.176/28",
    "51.105.67.0/28",
    "52.167.144.0/24",
    "52.231.148.0/28",
    "65.55.210.0/24"
  ]
}