{
  "description": "Office 365 IP address ranges",
  "list": [
    "104.146.128.0/17",
    "104.47.0.0/17",
    "13.107.128.0/22",
    "13.107.136.0/22",
    "13.107.140.6/32",
    "13.107.18.10/31",
    "13.107.18.15/32",
    "13.107.6.152/31",
    "13.107.6.171/32",
    "13.107.6.192/32",
    "13.107.9.192/32",
    "131.253.33.215/32",
    "132.245.0.0/16",
    "150.171.32.0/22",
    "150.171.40.0/22",
    "20.190.128.0/18",
    "20.20.32.0/19",
    "20.231.128.0/19",
    "204.79.197.215/32",
    "23.103.160.0/20",
    "2603:1006:1400::/40",
    "2603:1006:2000::/48",
    "2603:1006::/40",
    "2603:1007:200::/48",
    "2603:1016:1400::/48",
    "2603:1016:2400::/40",
    "2603:1016::/36",
    "2603:1017::/48",
    "2603:1026:2400::/40",
    "2603:1026:3000::/48",
    "2603:1026::/36",
    "2603:1027::/47",
    "2603:1036:2400::/40",
    "2603:1036:3000::/48",
    "2603:1036::/36",
    "2603:1037::/47",
    "2603:1046:1400::/40",
    "2603:1046:2000::/48",
    "2603:1046::/36",
    "2603:1047::/47",
    "2603:1056:1400::/40",
    "2603:1056:2000::/48",
    "2603:1056::/36",
    "2603:1057:2::/48",
    "2603:1057::/48",
    "2603:1061:1300::/40",
    "2603:1063:2000::/38",
    "2603:1063:6000::/35",
    "2603:1063::/38",
    "2620:1ec:40::/42",
    "2620:1ec:4::152/127",
    "2620:1ec:4::192/128",
    "2620:1ec:6::/48",
    "2620:1ec:8f0::/46",
    "2620:1ec:8f8::/46",
    "2620:1ec:8fc::6/128",
    "2620:1ec:900::/46",
    "2620:1ec:908::/46",
    "2620:1ec:a92::152/127",
    "2620:1ec:a92::171/128",
    "2620:1ec:a92::192/128",
    "2620:1ec:c::10/127",
    "2620:1ec:c::15/128",
    "2620:1ec:d::10/127",
    "2a01:111:f100:2000::a83e:3019/128",
    "2a01:111:f100:2002::8975:2d79/128",
    "2a01:111:f100:2002::8975:2da8/128",
    "2a01:111:f100:7000::6fdd:6cd5/128",
    "2a01:111:f100:a004::bfeb:88cf/128",
    "2a01:111:f400::/48",
    "2a01:111:f402::/47",
    "40.104.0.0/15",
    "40.107.0.0/16",
    "40.108.128.0/17",
    "40.126.0.0/18",
    "40.92.0.0/15",
    "40.96.0.0/13",
    "52.112.0.0/14",
    "52.122.0.0/15",
    "52.238.78.88/32",
    "52.244.37.168/32",
    "52.96.0.0/12"
  ],
  "matching_attributes": [
    "ip-src",
    "ip-dst",
    "domain|ip",
    "ip-src|port",
    "ip-dst|port"
  ],
  "name": "List of known Office 365 IP address ranges",
  "type": "cidr",
  "version": 20260405
}