{
  "namespace": "ptrclassify",
  "description": "Explainable classifications inferred from reverse-DNS PTR hostnames.",
  "version": 1,
  "predicates": [
    {
      "value": "allocation",
      "expanded": "Address allocation",
      "uuid": "53640bef-f5ac-421e-8ed9-ecfbf77ec062"
    },
    {
      "value": "access",
      "expanded": "Access network",
      "uuid": "e06ed3a2-04b7-4da3-968b-7fca54bdb4d2"
    },
    {
      "value": "translation",
      "expanded": "Address translation",
      "uuid": "bc946822-169e-4a5e-918a-33e4ef3a6f58"
    },
    {
      "value": "role",
      "expanded": "Host or network role",
      "uuid": "9a08bab5-0a62-4f91-8172-4fcb0b751814"
    },
    {
      "value": "hosting",
      "expanded": "Hosting environment",
      "uuid": "d2bb197a-591d-484a-9da6-3579236d7a68"
    },
    {
      "value": "network",
      "expanded": "Network characteristic",
      "uuid": "ae859cba-f299-443c-bbe9-62b8ea353dbc"
    },
    {
      "value": "organization",
      "expanded": "Organization type",
      "uuid": "4f0faeb4-219d-4df3-ab5f-99ac2478a594"
    },
    {
      "value": "provider",
      "expanded": "Service provider",
      "uuid": "1cfad19b-bf57-4b57-81e6-bb6733ce4ef3"
    },
    {
      "value": "naming",
      "expanded": "PTR naming characteristic",
      "uuid": "cd5e3088-8060-4f53-a681-170589da49b9"
    },
    {
      "value": "dns",
      "expanded": "DNS record characteristic",
      "uuid": "363d4316-8e07-4e04-b301-d209e216ab7f"
    }
  ],
  "values": [
    {
      "predicate": "allocation",
      "entry": [
        {
          "value": "dynamic",
          "expanded": "Address appears dynamically assigned or drawn from a pool.",
          "uuid": "6294492d-edcd-42dd-8f99-1b00be04efbb"
        },
        {
          "value": "static",
          "expanded": "Hostname explicitly indicates static or fixed assignment.",
          "uuid": "b56fa40b-b798-4d51-93f6-0db562f8ddcd"
        },
        {
          "value": "reserved",
          "expanded": "Hostname indicates reserved or unused address space.",
          "uuid": "d06540a3-5227-40bc-bba1-68dbcdcaf44c"
        }
      ]
    },
    {
      "predicate": "access",
      "entry": [
        {
          "value": "residential",
          "expanded": "Residential or consumer access network.",
          "uuid": "483e1bb4-88e1-41ee-b570-f9bdba471bc3"
        },
        {
          "value": "business",
          "expanded": "Business or enterprise access circuit.",
          "uuid": "2a272c80-5270-4e61-aa27-58f036da4e6b"
        },
        {
          "value": "mobile",
          "expanded": "Mobile or cellular access.",
          "uuid": "648f3483-7317-483b-ad93-197b45e1eccf"
        },
        {
          "value": "cable",
          "expanded": "Cable or HFC access network.",
          "uuid": "9304a00b-b5dc-412f-af75-13ae5856e7a9"
        },
        {
          "value": "dsl",
          "expanded": "DSL or xDSL access network.",
          "uuid": "cb927a22-9f0d-46bd-a27e-4b51bd1ccefa"
        },
        {
          "value": "fiber",
          "expanded": "Fiber or FTTH access network.",
          "uuid": "2e17ad4a-0d89-417c-b6e5-4cbdc93da2e3"
        },
        {
          "value": "wireless",
          "expanded": "Wi-Fi, WLAN, or fixed-wireless access.",
          "uuid": "6cffa7cd-e4a8-43bf-8a05-5ad7abec330f"
        },
        {
          "value": "broadband",
          "expanded": "Generic broadband access when the medium is unclear.",
          "uuid": "f215a4df-65af-4bb9-abf6-be17e6ba902b"
        },
        {
          "value": "dialup-ppp",
          "expanded": "PPP or dial-like subscriber addressing.",
          "uuid": "ca75f495-2fc5-4a4f-8c9c-1fea8c4fb88a"
        }
      ]
    },
    {
      "predicate": "translation",
      "entry": [
        {
          "value": "nat",
          "expanded": "Address naming explicitly indicates NAT.",
          "uuid": "2d20c840-9d48-4900-b32c-55336a4a50c2"
        },
        {
          "value": "cgnat",
          "expanded": "Address naming explicitly indicates carrier-grade or shared NAT.",
          "uuid": "199fe380-3ae7-4bf3-9387-9c17f34a9047"
        }
      ]
    },
    {
      "predicate": "role",
      "entry": [
        {
          "value": "customer",
          "expanded": "Customer or subscriber endpoint naming.",
          "uuid": "c2fff62c-9777-4f04-845e-8bfbacac9726"
        },
        {
          "value": "router",
          "expanded": "Router or network forwarding infrastructure.",
          "uuid": "a6a16e4a-5a92-4642-b54d-9ba50ddfe9b3"
        },
        {
          "value": "broadband-aggregation",
          "expanded": "BRAS, BNG, or access aggregation infrastructure.",
          "uuid": "ac790b06-3b52-4efb-b2de-bf83c893d9ad"
        },
        {
          "value": "loopback-interface",
          "expanded": "Router or network-device loopback interface.",
          "uuid": "06d42c8a-d52b-41f7-84fc-88a090b1bc91"
        },
        {
          "value": "server",
          "expanded": "Server or service host naming.",
          "uuid": "eb520e1e-724c-483f-8551-f3148601b252"
        },
        {
          "value": "virtual-machine",
          "expanded": "Virtual-machine or compute instance naming.",
          "uuid": "5cb1941a-26ca-4024-bd6a-a703bbabbb42"
        },
        {
          "value": "vpn",
          "expanded": "VPN endpoint or gateway naming.",
          "uuid": "f46b59c3-940a-4dcc-b4a4-0ecc1c23848c"
        },
        {
          "value": "voip",
          "expanded": "Voice-over-IP infrastructure or service.",
          "uuid": "4ea72ba1-76b1-4539-8684-581f2dfdce9b"
        },
        {
          "value": "eduroam",
          "expanded": "eduroam wireless client or network context.",
          "uuid": "7e4ccbff-c153-4bdf-9ac1-196c91615d27"
        }
      ]
    },
    {
      "predicate": "hosting",
      "entry": [
        {
          "value": "cloud",
          "expanded": "Public cloud compute infrastructure.",
          "uuid": "de90f173-9252-4df6-b27f-ac75671b3ae4"
        },
        {
          "value": "datacenter",
          "expanded": "Datacenter or hosting infrastructure.",
          "uuid": "72e90f35-f53f-4328-b159-dc63d3df440d"
        },
        {
          "value": "hosting",
          "expanded": "Web, VPS, or hosting-provider infrastructure.",
          "uuid": "5025e6ba-f159-4a61-924a-169f643ff606"
        },
        {
          "value": "cdn",
          "expanded": "Content delivery network edge or server.",
          "uuid": "41d261af-d60b-4944-843c-7a9252adad17"
        }
      ]
    },
    {
      "predicate": "network",
      "entry": [
        {
          "value": "anycast",
          "expanded": "Anycast service addressing.",
          "uuid": "981fc14f-333c-4f47-85d2-13a8cb80fe27"
        },
        {
          "value": "dedicated-internet",
          "expanded": "Dedicated Internet Access circuit.",
          "uuid": "b5ff98dd-edd3-43d3-b76c-b4f67cc8b4c5"
        }
      ]
    },
    {
      "predicate": "organization",
      "entry": [
        {
          "value": "education",
          "expanded": "Educational or research organization namespace.",
          "uuid": "c4036747-ddae-4a31-af35-7a01f287eafa"
        },
        {
          "value": "government",
          "expanded": "Government namespace.",
          "uuid": "1dfbc34c-e7dc-40c0-b2da-2283a6b5eeff"
        },
        {
          "value": "military",
          "expanded": "Military namespace.",
          "uuid": "b930ebd3-e679-499e-9684-71ac43fe7dc2"
        },
        {
          "value": "enterprise",
          "expanded": "Named enterprise or corporate namespace.",
          "uuid": "26f61289-1aa3-4622-ae08-b38451ef2d30"
        }
      ]
    },
    {
      "predicate": "provider",
      "entry": [
        {
          "value": "amazon-aws",
          "expanded": "Amazon Web Services.",
          "uuid": "ea930624-33d9-498e-85bf-9a9e280dde3c"
        },
        {
          "value": "amazon-cloudfront",
          "expanded": "Amazon CloudFront.",
          "uuid": "7b06e3ad-9545-47d0-82f8-74f9bf7a3426"
        },
        {
          "value": "google-cloud",
          "expanded": "Google Cloud.",
          "uuid": "586d4d64-293a-4d81-a824-66e488722ed9"
        },
        {
          "value": "oracle-cloud",
          "expanded": "Oracle Cloud.",
          "uuid": "9d459bb5-70e2-4425-b725-788af45113ac"
        },
        {
          "value": "akamai",
          "expanded": "Akamai.",
          "uuid": "23198d27-3aed-4ad0-a406-60c685694b07"
        },
        {
          "value": "huawei-cloud",
          "expanded": "Huawei Cloud.",
          "uuid": "474e6ee2-9d82-455b-ada3-d3839eb7bbc1"
        },
        {
          "value": "vultr",
          "expanded": "Vultr cloud infrastructure.",
          "uuid": "1fb8afdb-94db-4a6b-ba6f-8b7445a1dc8e"
        },
        {
          "value": "hetzner",
          "expanded": "Hetzner hosting infrastructure.",
          "uuid": "8b9c8a63-2c90-44a8-be38-783b86a9e3c5"
        }
      ]
    },
    {
      "predicate": "naming",
      "entry": [
        {
          "value": "ip-encoded",
          "expanded": "Hostname embeds the IP address or a direct textual transform of it.",
          "uuid": "da42c1e0-16d2-48b3-bc42-802fab6853aa"
        },
        {
          "value": "generic-reverse",
          "expanded": "Generic provider-generated reverse name with little host semantics.",
          "uuid": "1e32cd7c-6f4f-46dd-867e-08c336aa2927"
        }
      ]
    },
    {
      "predicate": "dns",
      "entry": [
        {
          "value": "cname",
          "expanded": "Input is a CNAME in reverse DNS rather than the final PTR target.",
          "uuid": "9c6bcdfb-e991-4f1a-9059-e9a2c6153d05"
        }
      ]
    }
  ],
  "uuid": "fd2dec0f-be35-424e-a194-c6f8492b04a9"
}