{
 "measured_at": "2026-08-07",
 "date_written": {
  "fr": "7 août 2026",
  "en": "7 August 2026"
 },
 "nts_verdict": "authenticated-time",
 "definition": {
  "fr": "Mesuré signifie : une heure réellement AUTHENTIFIÉE a été obtenue — poignée NTS-KE complète (TLS, ALPN ntske/1 sur le port 4460, certificat valide pour le nom interrogé) PUIS requête NTP authentifiée aboutie, vérifiée depuis six réseaux distincts. Un port ouvert ne suffit pas, un ALPN négocié ne suffit pas, et un échange de clés complet au-dessus d'un UDP/123 filtré ne sert aucune heure.",
  "en": "Measured means: AUTHENTICATED time was actually obtained — a complete NTS-KE handshake (TLS, ALPN ntske/1 on port 4460, certificate valid for the queried name) FOLLOWED BY a successful NTS-authenticated NTP request, verified from six distinct networks. An open port is not enough, a negotiated ALPN is not enough, and a complete key exchange over a filtered UDP/123 serves no time at all."
 },
 "counts": {
  "probed_hostnames": 6294,
  "counted_machines": 4586,
  "nts": 265,
  "nts_verdict": "authenticated-time",
  "nts_ke_only": 11,
  "nts_ke": 276,
  "ntp_time": 3875,
  "vantages_with_time_measure": 6,
  "vantages_total": 6,
  "majority_rule": "two thirds of the vantage points that actually performed the measurement",
  "nts_raw_do_not_publish": 408,
  "aliases_resolved": 1550,
  "european_countries": 38,
  "european_countries_with_nts": 21,
  "european_countries_without_nts": 17,
  "counted_machines_international_anycast": 0,
  "counted_machines_unlocated": 67,
  "note_on_country_counts": "Country counts exclude two pseudo-categories: 'International' (worldwide anycast: Cloudflare, Google, Apple...) and 'Unknown' (names that no longer resolve and whose location we cannot evidence — we do not infer a country from an operator's name). A country enters the count only once at least one machine has been observed there. Filter counted=true AND country NOT IN ('International','Unknown') to reproduce them."
 },
 "method_change": {
  "since": "2026-08-05",
  "why": "Attributes of a machine were carried by NAMES. An address never is an alias: it is now the key for counting, for location and for pairing v4/v6.",
  "changes": [
   {
    "id": "count-by-machine",
    "was": "one counted row per preferred hostname",
    "now": "one counted row per machine, resolved through its addresses",
    "effect": "A machine reached under a non-preferred name is no longer lost. The three readings of this dataset (header, results filtered on counted, CSV filtered on counted) now return the SAME figure; on 2026-08-05 they returned 3709, 3680 and 4604."
   },
   {
    "id": "counted-requires-observation",
    "was": "a row kept counted=yes with measurements from a previous run",
    "now": "counted=yes requires an observation BY THIS CAMPAIGN",
    "effect": "311 anonymised rows leave the count. This is the dominant term of the -101 machine delta, not a shrinking fleet."
   },
   {
    "id": "location-vs-registration",
    "was": "a single country column, strongest source wins",
    "now": "location_country (where the address is routed, GeoIP) is published; registration_country (who holds the prefix) is kept beside it and is never a fallback",
    "effect": "1465 of 8016 addresses (18%) are NOT routed in their holder's country. Under the old rule OVH read as France, Cogent as the United States. Montenegro, Greece and Turkey leave the NTS map and Australia, France and the United States enter — the same machines, serving the same NTS, placed by a source that describes the ADDRESS."
   },
   {
    "id": "unverifiable-provenance-quarantined",
    "was": "country_source=declared outranked everything, without proof",
    "now": "a declaration needs evidence attached to the address; 1320 addresses moved to quarantine, keeping previous_claim and previous_source",
    "effect": "79 countries were wrong, inherited from round-robin names such as europe.pool.ntp.org, which declares nothing."
   },
   {
    "id": "round-robins-are-not-machines",
    "was": "221 round-robin names had a row in a machine inventory",
    "now": "only their members do; anycast stays, being one logical machine",
    "effect": "Being served by fr.pool.ntp.org proves nothing about location: Andorra has a pool zone without hosting a single server."
   }
  ],
  "delta_decomposition": {
   "previous_file": "ntp-europe-2026-08-05.json",
   "counted_rows_previous": 3680,
   "counted_rows_now": 4586,
   "anonymised_rows_delta": 250,
   "machines_gone_since": -19,
   "machines_new": 675,
   "name_duplicates_merged": 0,
   "balance": 906,
   "expected": 906,
   "residual": 0,
   "note": "Anonymised rows cannot be matched to a machine without de-anonymising them; they are counted as a block. `residual` must be 0 — any other value means the decomposition does not explain the delta."
  }
 },
 "operators_with_nts": 211,
 "rdem_nts": 12,
 "by_country": {
  "Afghanistan": {
   "machines": 12,
   "stratum": {
    "s1": 6,
    "s2": 6,
    "s3": 0,
    "s4plus": 0,
    "unknown": 0
   },
   "ntp_ipv4": 12,
   "ntp_ipv6": 6,
   "nts_ipv4": 0,
   "nts_ipv6": 0,
   "nts": 0,
   "operators": 12,
   "operators_nts": 0,
   "top_operator_ntp": {
    "operator": "(non nommé) pub-ntp-hrt.afghan-wireless.com",
    "servers": 1,
    "share_pct": 8.3
   },
   "top_operator_nts": null,
   "rdem_nts": 0,
   "rdem_pct": null,
   "continent": "Asie"
  },
  "Albania": {
   "machines": 2,
   "stratum": {
    "s1": 0,
    "s2": 1,
    "s3": 0,
    "s4plus": 0,
    "unknown": 1
   },
   "ntp_ipv4": 1,
   "ntp_ipv6": 1,
   "nts_ipv4": 0,
   "nts_ipv6": 0,
   "nts": 0,
   "operators": 2,
   "operators_nts": 0,
   "top_operator_ntp": {
    "operator": "(non nommé) al1.ntp.red",
    "servers": 1,
    "share_pct": 50.0
   },
   "top_operator_nts": null,
   "rdem_nts": 0,
   "rdem_pct": null,
   "continent": "Europe"
  },
  "Angola": {
   "machines": 1,
   "stratum": {
    "s1": 0,
    "s2": 1,
    "s3": 0,
    "s4plus": 0,
    "unknown": 0
   },
   "ntp_ipv4": 1,
   "ntp_ipv6": 0,
   "nts_ipv4": 0,
   "nts_ipv6": 0,
   "nts": 0,
   "operators": 1,
   "operators_nts": 0,
   "top_operator_ntp": {
    "operator": "(non nommé) pool-member-d36473b0",
    "servers": 1,
    "share_pct": 100.0
   },
   "top_operator_nts": null,
   "rdem_nts": 0,
   "rdem_pct": null,
   "continent": "Afrique"
  },
  "Argentina": {
   "machines": 5,
   "stratum": {
    "s1": 0,
    "s2": 3,
    "s3": 0,
    "s4plus": 1,
    "unknown": 1
   },
   "ntp_ipv4": 4,
   "ntp_ipv6": 1,
   "nts_ipv4": 0,
   "nts_ipv6": 0,
   "nts": 0,
   "operators": 5,
   "operators_nts": 0,
   "top_operator_ntp": {
    "operator": "(non nommé) aggo-conicet.gob.ar",
    "servers": 1,
    "share_pct": 20.0
   },
   "top_operator_nts": null,
   "rdem_nts": 0,
   "rdem_pct": null,
   "continent": "Amérique du Sud"
  },
  "Armenia": {
   "machines": 3,
   "stratum": {
    "s1": 0,
    "s2": 2,
    "s3": 0,
    "s4plus": 0,
    "unknown": 1
   },
   "ntp_ipv4": 2,
   "ntp_ipv6": 2,
   "nts_ipv4": 0,
   "nts_ipv6": 0,
   "nts": 0,
   "operators": 3,
   "operators_nts": 0,
   "top_operator_ntp": {
    "operator": "(non nommé) ntp.telecomarmenia.am",
    "servers": 1,
    "share_pct": 33.3
   },
   "top_operator_nts": null,
   "rdem_nts": 0,
   "rdem_pct": null,
   "continent": "Asie"
  },
  "Australia": {
   "machines": 123,
   "stratum": {
    "s1": 26,
    "s2": 65,
    "s3": 14,
    "s4plus": 9,
    "unknown": 9
   },
   "ntp_ipv4": 99,
   "ntp_ipv6": 59,
   "nts_ipv4": 6,
   "nts_ipv6": 6,
   "nts": 7,
   "operators": 122,
   "operators_nts": 7,
   "top_operator_ntp": {
    "operator": "TPG Internet",
    "servers": 2,
    "share_pct": 1.6
   },
   "top_operator_nts": {
    "operator": "(non nommé) time.hamertechnical.com.au",
    "servers": 1,
    "share_pct": 14.3
   },
   "rdem_nts": 0,
   "rdem_pct": 0.0,
   "continent": "Océanie"
  },
  "Austria": {
   "machines": 55,
   "stratum": {
    "s1": 9,
    "s2": 37,
    "s3": 7,
    "s4plus": 0,
    "unknown": 2
   },
   "ntp_ipv4": 49,
   "ntp_ipv6": 24,
   "nts_ipv4": 5,
   "nts_ipv6": 2,
   "nts": 5,
   "operators": 53,
   "operators_nts": 4,
   "top_operator_ntp": {
    "operator": "BEV (Bundesamt für Eich- und Vermessungswesen)",
    "servers": 2,
    "share_pct": 3.6
   },
   "top_operator_nts": {
    "operator": "BEV (Bundesamt für Eich- und Vermessungswesen)",
    "servers": 2,
    "share_pct": 40.0
   },
   "rdem_nts": 0,
   "rdem_pct": 0.0,
   "continent": "Europe"
  },
  "Azerbaijan": {
   "machines": 2,
   "stratum": {
    "s1": 0,
    "s2": 2,
    "s3": 0,
    "s4plus": 0,
    "unknown": 0
   },
   "ntp_ipv4": 2,
   "ntp_ipv6": 0,
   "nts_ipv4": 0,
   "nts_ipv6": 0,
   "nts": 0,
   "operators": 2,
   "operators_nts": 0,
   "top_operator_ntp": {
    "operator": "(non nommé) pool-member-5e87b3e4",
    "servers": 1,
    "share_pct": 50.0
   },
   "top_operator_nts": null,
   "rdem_nts": 0,
   "rdem_pct": null,
   "continent": "Asie"
  },
  "Bangladesh": {
   "machines": 8,
   "stratum": {
    "s1": 2,
    "s2": 3,
    "s3": 0,
    "s4plus": 0,
    "unknown": 3
   },
   "ntp_ipv4": 3,
   "ntp_ipv6": 4,
   "nts_ipv4": 0,
   "nts_ipv6": 0,
   "nts": 0,
   "operators": 7,
   "operators_nts": 0,
   "top_operator_ntp": {
    "operator": "Maintained by Bangladesh Standards and Testing Institutions (BSTI) and Distributed by Bangladesh Computer Council (BCC)",
    "servers": 2,
    "share_pct": 25.0
   },
   "top_operator_nts": null,
   "rdem_nts": 0,
   "rdem_pct": null,
   "continent": "Asie"
  },
  "Belarus": {
   "machines": 12,
   "stratum": {
    "s1": 2,
    "s2": 5,
    "s3": 2,
    "s4plus": 0,
    "unknown": 3
   },
   "ntp_ipv4": 8,
   "ntp_ipv6": 6,
   "nts_ipv4": 1,
   "nts_ipv6": 1,
   "nts": 1,
   "operators": 12,
   "operators_nts": 1,
   "top_operator_ntp": {
    "operator": "(non nommé) pool-member-2e4098d6",
    "servers": 1,
    "share_pct": 8.3
   },
   "top_operator_nts": {
    "operator": "(non nommé) ntp.datahata.by",
    "servers": 1,
    "share_pct": 100.0
   },
   "rdem_nts": 0,
   "rdem_pct": 0.0,
   "continent": "Europe"
  },
  "Belgium": {
   "machines": 37,
   "stratum": {
    "s1": 5,
    "s2": 18,
    "s3": 8,
    "s4plus": 0,
    "unknown": 6
   },
   "ntp_ipv4": 29,
   "ntp_ipv6": 12,
   "nts_ipv4": 2,
   "nts_ipv6": 2,
   "nts": 2,
   "operators": 33,
   "operators_nts": 2,
   "top_operator_ntp": {
    "operator": "Belnet (NREN)",
    "servers": 2,
    "share_pct": 5.4
   },
   "top_operator_nts": {
    "operator": "Team Belgium",
    "servers": 1,
    "share_pct": 50.0
   },
   "rdem_nts": 0,
   "rdem_pct": 0.0,
   "continent": "Europe"
  },
  "Bosnia and Herzegovina": {
   "machines": 5,
   "stratum": {
    "s1": 2,
    "s2": 2,
    "s3": 0,
    "s4plus": 0,
    "unknown": 1
   },
   "ntp_ipv4": 4,
   "ntp_ipv6": 0,
   "nts_ipv4": 0,
   "nts_ipv6": 0,
   "nts": 0,
   "operators": 5,
   "operators_nts": 0,
   "top_operator_ntp": {
    "operator": "(non nommé) ntp1.imbih.gov.ba",
    "servers": 1,
    "share_pct": 20.0
   },
   "top_operator_nts": null,
   "rdem_nts": 0,
   "rdem_pct": null,
   "continent": "Europe"
  },
  "Brazil": {
   "machines": 36,
   "stratum": {
    "s1": 10,
    "s2": 22,
    "s3": 1,
    "s4plus": 0,
    "unknown": 3
   },
   "ntp_ipv4": 29,
   "ntp_ipv6": 27,
   "nts_ipv4": 16,
   "nts_ipv6": 17,
   "nts": 18,
   "operators": 36,
   "operators_nts": 18,
   "top_operator_ntp": {
    "operator": "(non nommé) 2001:12d0:2040:229::211",
    "servers": 1,
    "share_pct": 2.8
   },
   "top_operator_nts": {
    "operator": "(non nommé) a.st1.ntp.br",
    "servers": 1,
    "share_pct": 5.6
   },
   "rdem_nts": 0,
   "rdem_pct": 0.0,
   "continent": "Amérique du Sud"
  },
  "Bulgaria": {
   "machines": 38,
   "stratum": {
    "s1": 4,
    "s2": 20,
    "s3": 8,
    "s4plus": 0,
    "unknown": 6
   },
   "ntp_ipv4": 23,
   "ntp_ipv6": 15,
   "nts_ipv4": 0,
   "nts_ipv6": 0,
   "nts": 0,
   "operators": 38,
   "operators_nts": 0,
   "top_operator_ntp": {
    "operator": "(non nommé) ntp.bsdbg.net",
    "servers": 1,
    "share_pct": 2.6
   },
   "top_operator_nts": null,
   "rdem_nts": 0,
   "rdem_pct": null,
   "continent": "Europe"
  },
  "Cambodia": {
   "machines": 1,
   "stratum": {
    "s1": 0,
    "s2": 1,
    "s3": 0,
    "s4plus": 0,
    "unknown": 0
   },
   "ntp_ipv4": 1,
   "ntp_ipv6": 1,
   "nts_ipv4": 0,
   "nts_ipv6": 0,
   "nts": 0,
   "operators": 1,
   "operators_nts": 0,
   "top_operator_ntp": {
    "operator": "(non nommé) ntp01.sabay.com",
    "servers": 1,
    "share_pct": 100.0
   },
   "top_operator_nts": null,
   "rdem_nts": 0,
   "rdem_pct": null,
   "continent": "Asie"
  },
  "Cameroon": {
   "machines": 2,
   "stratum": {
    "s1": 1,
    "s2": 0,
    "s3": 1,
    "s4plus": 0,
    "unknown": 0
   },
   "ntp_ipv4": 2,
   "ntp_ipv6": 2,
   "nts_ipv4": 0,
   "nts_ipv6": 0,
   "nts": 0,
   "operators": 2,
   "operators_nts": 0,
   "top_operator_ntp": {
    "operator": "(non nommé) ntp03.tech.stdigital.network",
    "servers": 1,
    "share_pct": 50.0
   },
   "top_operator_nts": null,
   "rdem_nts": 0,
   "rdem_pct": null,
   "continent": "Afrique"
  },
  "Canada": {
   "machines": 105,
   "stratum": {
    "s1": 22,
    "s2": 63,
    "s3": 14,
    "s4plus": 1,
    "unknown": 5
   },
   "ntp_ipv4": 85,
   "ntp_ipv6": 57,
   "nts_ipv4": 9,
   "nts_ipv6": 7,
   "nts": 9,
   "operators": 101,
   "operators_nts": 9,
   "top_operator_ntp": {
    "operator": "Toronto Internet Exchange",
    "servers": 3,
    "share_pct": 2.9
   },
   "top_operator_nts": {
    "operator": "(non nommé) ntp.lntgn.ca",
    "servers": 1,
    "share_pct": 11.1
   },
   "rdem_nts": 0,
   "rdem_pct": 0.0,
   "continent": "Amérique du Nord"
  },
  "Chile": {
   "machines": 12,
   "stratum": {
    "s1": 3,
    "s2": 7,
    "s3": 0,
    "s4plus": 0,
    "unknown": 2
   },
   "ntp_ipv4": 8,
   "ntp_ipv6": 6,
   "nts_ipv4": 0,
   "nts_ipv6": 1,
   "nts": 1,
   "operators": 12,
   "operators_nts": 1,
   "top_operator_ntp": {
    "operator": "(non nommé) anon-4bcc4139",
    "servers": 1,
    "share_pct": 8.3
   },
   "top_operator_nts": {
    "operator": "(non nommé) vps-zal1.orleans.ddnss.de",
    "servers": 1,
    "share_pct": 100.0
   },
   "rdem_nts": 0,
   "rdem_pct": 0.0,
   "continent": "Amérique du Sud"
  },
  "China": {
   "machines": 35,
   "stratum": {
    "s1": 6,
    "s2": 14,
    "s3": 11,
    "s4plus": 3,
    "unknown": 1
   },
   "ntp_ipv4": 25,
   "ntp_ipv6": 9,
   "nts_ipv4": 4,
   "nts_ipv6": 1,
   "nts": 4,
   "operators": 35,
   "operators_nts": 4,
   "top_operator_ntp": {
    "operator": "(non nommé) ntp1.neutrontek.com",
    "servers": 1,
    "share_pct": 2.9
   },
   "top_operator_nts": {
    "operator": "NEU",
    "servers": 1,
    "share_pct": 25.0
   },
   "rdem_nts": 0,
   "rdem_pct": 0.0,
   "continent": "Asie"
  },
  "Colombia": {
   "machines": 5,
   "stratum": {
    "s1": 0,
    "s2": 3,
    "s3": 2,
    "s4plus": 0,
    "unknown": 0
   },
   "ntp_ipv4": 4,
   "ntp_ipv6": 1,
   "nts_ipv4": 0,
   "nts_ipv6": 0,
   "nts": 0,
   "operators": 5,
   "operators_nts": 0,
   "top_operator_ntp": {
    "operator": "(non nommé) 0.co.ntp.edgeuno.com",
    "servers": 1,
    "share_pct": 20.0
   },
   "top_operator_nts": null,
   "rdem_nts": 0,
   "rdem_pct": null,
   "continent": "Amérique du Sud"
  },
  "Costa Rica": {
   "machines": 10,
   "stratum": {
    "s1": 0,
    "s2": 7,
    "s3": 3,
    "s4plus": 0,
    "unknown": 0
   },
   "ntp_ipv4": 10,
   "ntp_ipv6": 5,
   "nts_ipv4": 1,
   "nts_ipv6": 1,
   "nts": 1,
   "operators": 10,
   "operators_nts": 1,
   "top_operator_ntp": {
    "operator": "(non nommé) ntp-sjo1.impulsahosting.com",
    "servers": 1,
    "share_pct": 10.0
   },
   "top_operator_nts": {
    "operator": "(non nommé) ntp-sjo2.impulsahosting.com",
    "servers": 1,
    "share_pct": 100.0
   },
   "rdem_nts": 0,
   "rdem_pct": 0.0,
   "continent": "Amérique du Nord"
  },
  "Croatia": {
   "machines": 15,
   "stratum": {
    "s1": 3,
    "s2": 7,
    "s3": 1,
    "s4plus": 0,
    "unknown": 4
   },
   "ntp_ipv4": 0,
   "ntp_ipv6": 3,
   "nts_ipv4": 0,
   "nts_ipv6": 0,
   "nts": 0,
   "operators": 8,
   "operators_nts": 0,
   "top_operator_ntp": {
    "operator": "CARNET (NREN)",
    "servers": 5,
    "share_pct": 33.3
   },
   "top_operator_nts": null,
   "rdem_nts": 0,
   "rdem_pct": null,
   "continent": "Europe"
  },
  "Cyprus": {
   "machines": 8,
   "stratum": {
    "s1": 0,
    "s2": 2,
    "s3": 4,
    "s4plus": 1,
    "unknown": 1
   },
   "ntp_ipv4": 6,
   "ntp_ipv6": 2,
   "nts_ipv4": 0,
   "nts_ipv6": 0,
   "nts": 0,
   "operators": 8,
   "operators_nts": 0,
   "top_operator_ntp": {
    "operator": "(non nommé) 0.chronos.airtel.net.cy",
    "servers": 1,
    "share_pct": 12.5
   },
   "top_operator_nts": null,
   "rdem_nts": 0,
   "rdem_pct": null,
   "continent": "Europe"
  },
  "Czech Republic": {
   "machines": 45,
   "stratum": {
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   },
   "Amérique du Sud": {
    "machines": 9,
    "countries": 3
   },
   "Eurasie": {
    "machines": 9,
    "countries": 2
   }
  },
  "note": {
   "fr": "Serveurs présents dans notre inventaire et jamais encore sondés. Ils entreront dans une campagne suivante. Ce décompte dit l'état de notre file d'attente, pas l'état du NTP dans ces pays.",
   "en": "Servers in our inventory that we have never probed yet. They will enter a later campaign. This count describes our queue, not the state of NTP in those countries."
  }
 },
 "top_operator_nts": {
  "operator": "Netnod",
  "servers": 12,
  "share_pct": 4.5
 },
 "top_operators_nts_europe": {
  "top": [
   {
    "operator": "Netnod",
    "nts": 12,
    "stratum1": 12,
    "countries": [
     "Sweden"
    ]
   },
   {
    "operator": "RDEM Systems",
    "nts": 12,
    "stratum1": 0,
    "countries": [
     "France",
     "Germany"
    ]
   },
   {
    "operator": "SIDN Labs",
    "nts": 6,
    "stratum1": 5,
    "countries": [
     "Netherlands"
    ]
   },
   {
    "operator": "PTB",
    "nts": 4,
    "stratum1": 4,
    "countries": [
     "Germany"
    ]
   },
   {
    "operator": "Nothing to hide",
    "nts": 4,
    "stratum1": 0,
    "countries": [
     "Netherlands"
    ]
   },
   {
    "operator": "Tharyrok",
    "nts": 4,
    "stratum1": 0,
    "countries": [
     "France",
     "Belgium",
     "Germany"
    ]
   }
  ],
  "named_machines": 94,
  "unnamed_machines": 98
 },
 "top_operators_nts_world": {
  "top": [
   {
    "operator": "Netnod",
    "nts": 12,
    "stratum1": 12,
    "countries": [
     "Sweden"
    ]
   },
   {
    "operator": "RDEM Systems",
    "nts": 12,
    "stratum1": 0,
    "countries": [
     "France",
     "Germany"
    ]
   },
   {
    "operator": "SIDN Labs",
    "nts": 6,
    "stratum1": 5,
    "countries": [
     "Netherlands"
    ]
   },
   {
    "operator": "PTB",
    "nts": 4,
    "stratum1": 4,
    "countries": [
     "Germany"
    ]
   },
   {
    "operator": "Nothing to hide",
    "nts": 4,
    "stratum1": 0,
    "countries": [
     "Netherlands"
    ]
   },
   {
    "operator": "Tharyrok",
    "nts": 4,
    "stratum1": 0,
    "countries": [
     "France",
     "Belgium",
     "Germany"
    ]
   }
  ],
  "named_machines": 103,
  "unnamed_machines": 162
 },
 "rdem": {
  "operator": "RDEM Systems",
  "machines": 13,
  "nts": 12,
  "nts_pct": 92.3,
  "share_of_all_nts_pct": 4.5
 },
 "source": "merge-vantage.py — ne pas éditer à la main, le prochain run écrase ce fichier"
}