{
  "_meta": {
    "description": "ICAO 24-bit Mode S address allotments by country",
    "source": "ICAO Annex 10 Volume III Part I Appendix to Chapter 9 (Table 9-1)",
    "community_reference": "https://github.com/sgofferj/TAK-ADSB-ID/blob/master/countries.json",
    "maintained_by": "AirTrack \u2014 The Guardians of The Codes",
    "last_updated": "2026-05-23",
    "notes": "hex_start/hex_end are inclusive. block_size = number of 24-bit addresses in allotment."
  },
  "allotments": [
    {
      "country": "Zimbabwe",
      "iso2": "ZW",
      "prefix": "Z-",
      "hex_start": "004000",
      "hex_end": "0043FF",
      "block_size": 1024
    },
    {
      "country": "Mozambique",
      "iso2": "MZ",
      "prefix": "C9-",
      "hex_start": "006000",
      "hex_end": "006FFF",
      "block_size": 4096
    },
    {
      "country": "South Africa",
      "iso2": "ZA",
      "prefix": "ZS-",
      "hex_start": "008000",
      "hex_end": "00FFFF",
      "block_size": 32768
    },
    {
      "country": "Egypt",
      "iso2": "EG",
      "prefix": "SU-",
      "hex_start": "010000",
      "hex_end": "017FFF",
      "block_size": 32768
    },
    {
      "country": "Libya",
      "iso2": "LY",
      "prefix": "5A-",
      "hex_start": "018000",
      "hex_end": "01FFFF",
      "block_size": 32768
    },
    {
      "country": "Morocco",
      "iso2": "MA",
      "prefix": "CN-",
      "hex_start": "020000",
      "hex_end": "027FFF",
      "block_size": 32768
    },
    {
      "country": "Tunisia",
      "iso2": "TN",
      "prefix": "TS-",
      "hex_start": "028000",
      "hex_end": "02FFFF",
      "block_size": 32768
    },
    {
      "country": "Botswana",
      "iso2": "BW",
      "prefix": "A2-",
      "hex_start": "030000",
      "hex_end": "0303FF",
      "block_size": 1024
    },
    {
      "country": "Burundi",
      "iso2": "BI",
      "prefix": "9U-",
      "hex_start": "032000",
      "hex_end": "032FFF",
      "block_size": 4096
    },
    {
      "country": "Cameroon",
      "iso2": "CM",
      "prefix": "TJ-",
      "hex_start": "034000",
      "hex_end": "034FFF",
      "block_size": 4096
    },
    {
      "country": "Comoros",
      "iso2": "KM",
      "prefix": "D6-",
      "hex_start": "035000",
      "hex_end": "0353FF",
      "block_size": 1024
    },
    {
      "country": "Congo",
      "iso2": "CG",
      "prefix": "TN-",
      "hex_start": "036000",
      "hex_end": "036FFF",
      "block_size": 4096
    },
    {
      "country": "Cote d'Ivoire",
      "iso2": "CI",
      "prefix": "TU-",
      "hex_start": "038000",
      "hex_end": "038FFF",
      "block_size": 4096
    },
    {
      "country": "Gabon",
      "iso2": "GA",
      "prefix": "TR-",
      "hex_start": "03E000",
      "hex_end": "03EFFF",
      "block_size": 4096
    },
    {
      "country": "Ethiopia",
      "iso2": "ET",
      "prefix": "ET-",
      "hex_start": "040000",
      "hex_end": "040FFF",
      "block_size": 4096
    },
    {
      "country": "Equatorial Guinea",
      "iso2": "GQ",
      "prefix": "3C-",
      "hex_start": "042000",
      "hex_end": "042FFF",
      "block_size": 4096
    },
    {
      "country": "Ghana",
      "iso2": "GH",
      "prefix": "9G-",
      "hex_start": "044000",
      "hex_end": "044FFF",
      "block_size": 4096
    },
    {
      "country": "Guinea",
      "iso2": "GN",
      "prefix": "3X-",
      "hex_start": "046000",
      "hex_end": "046FFF",
      "block_size": 4096
    },
    {
      "country": "Guinea-Bissau",
      "iso2": "GW",
      "prefix": "J5-",
      "hex_start": "048000",
      "hex_end": "0483FF",
      "block_size": 1024
    },
    {
      "country": "Lesotho",
      "iso2": "LS",
      "prefix": "7P-",
      "hex_start": "04A000",
      "hex_end": "04A3FF",
      "block_size": 1024
    },
    {
      "country": "Kenya",
      "iso2": "KE",
      "prefix": "5Y-",
      "hex_start": "04C000",
      "hex_end": "04CFFF",
      "block_size": 4096
    },
    {
      "country": "Liberia",
      "iso2": "LR",
      "prefix": "EL-",
      "hex_start": "050000",
      "hex_end": "050FFF",
      "block_size": 4096
    },
    {
      "country": "Madagascar",
      "iso2": "MG",
      "prefix": "5R-",
      "hex_start": "054000",
      "hex_end": "054FFF",
      "block_size": 4096
    },
    {
      "country": "Malawi",
      "iso2": "MW",
      "prefix": "7Q-",
      "hex_start": "058000",
      "hex_end": "058FFF",
      "block_size": 4096
    },
    {
      "country": "Maldives",
      "iso2": "MV",
      "prefix": "8Q-",
      "hex_start": "05A000",
      "hex_end": "05A3FF",
      "block_size": 1024
    },
    {
      "country": "Mali",
      "iso2": "ML",
      "prefix": "TZ-",
      "hex_start": "05C000",
      "hex_end": "05CFFF",
      "block_size": 4096
    },
    {
      "country": "Mauritania",
      "iso2": "MR",
      "prefix": "5T-",
      "hex_start": "05E000",
      "hex_end": "05E3FF",
      "block_size": 1024
    },
    {
      "country": "Mauritius",
      "iso2": "MU",
      "prefix": "3B-",
      "hex_start": "060000",
      "hex_end": "0603FF",
      "block_size": 1024
    },
    {
      "country": "Niger",
      "iso2": "NE",
      "prefix": "5U-",
      "hex_start": "062000",
      "hex_end": "062FFF",
      "block_size": 4096
    },
    {
      "country": "Nigeria",
      "iso2": "NG",
      "prefix": "5N-",
      "hex_start": "064000",
      "hex_end": "064FFF",
      "block_size": 4096
    },
    {
      "country": "Uganda",
      "iso2": "UG",
      "prefix": "5X-",
      "hex_start": "068000",
      "hex_end": "068FFF",
      "block_size": 4096
    },
    {
      "country": "Qatar",
      "iso2": "QA",
      "prefix": "A7-",
      "hex_start": "06A000",
      "hex_end": "06A3FF",
      "block_size": 1024
    },
    {
      "country": "Central African Republic",
      "iso2": "CF",
      "prefix": "TL-",
      "hex_start": "06C000",
      "hex_end": "06CFFF",
      "block_size": 4096
    },
    {
      "country": "Rwanda",
      "iso2": "RW",
      "prefix": "9XR",
      "hex_start": "06E000",
      "hex_end": "06EFFF",
      "block_size": 4096
    },
    {
      "country": "Senegal",
      "iso2": "SN",
      "prefix": "6V-",
      "hex_start": "070000",
      "hex_end": "070FFF",
      "block_size": 4096
    },
    {
      "country": "Seychelles",
      "iso2": "SC",
      "prefix": "S7-",
      "hex_start": "074000",
      "hex_end": "0743FF",
      "block_size": 1024
    },
    {
      "country": "Sierra Leone",
      "iso2": "SL",
      "prefix": "9L-",
      "hex_start": "076000",
      "hex_end": "0763FF",
      "block_size": 1024
    },
    {
      "country": "Somalia",
      "iso2": "SO",
      "prefix": "6O-",
      "hex_start": "078000",
      "hex_end": "078FFF",
      "block_size": 4096
    },
    {
      "country": "Swaziland",
      "iso2": "SZ",
      "prefix": "3DC",
      "hex_start": "07A000",
      "hex_end": "07A3FF",
      "block_size": 1024
    },
    {
      "country": "Sudan",
      "iso2": "SD",
      "prefix": "ST-",
      "hex_start": "07C000",
      "hex_end": "07CFFF",
      "block_size": 4096
    },
    {
      "country": "Tanzania",
      "iso2": "TZ",
      "prefix": "5H-",
      "hex_start": "080000",
      "hex_end": "080FFF",
      "block_size": 4096
    },
    {
      "country": "Chad",
      "iso2": "TD",
      "prefix": "TT-",
      "hex_start": "084000",
      "hex_end": "084FFF",
      "block_size": 4096
    },
    {
      "country": "Togo",
      "iso2": "TG",
      "prefix": "5V-",
      "hex_start": "088000",
      "hex_end": "088FFF",
      "block_size": 4096
    },
    {
      "country": "Zambia",
      "iso2": "ZM",
      "prefix": "9J-",
      "hex_start": "08A000",
      "hex_end": "08AFFF",
      "block_size": 4096
    },
    {
      "country": "Dem Rep of the Congo",
      "iso2": "CD",
      "prefix": "9Q-",
      "hex_start": "08C000",
      "hex_end": "08CFFF",
      "block_size": 4096
    },
    {
      "country": "Angola",
      "iso2": "AO",
      "prefix": "D2-",
      "hex_start": "090000",
      "hex_end": "090FFF",
      "block_size": 4096
    },
    {
      "country": "Benin",
      "iso2": "BJ",
      "prefix": "TY-",
      "hex_start": "094000",
      "hex_end": "0943FF",
      "block_size": 1024
    },
    {
      "country": "Cape Verde",
      "iso2": "CV",
      "prefix": "D4-",
      "hex_start": "096000",
      "hex_end": "0963FF",
      "block_size": 1024
    },
    {
      "country": "Djibouti",
      "iso2": "DJ",
      "prefix": "J2-",
      "hex_start": "098000",
      "hex_end": "0983FF",
      "block_size": 1024
    },
    {
      "country": "Gambia",
      "iso2": "GM",
      "prefix": "C5-",
      "hex_start": "09A000",
      "hex_end": "09AFFF",
      "block_size": 4096
    },
    {
      "country": "Burkina Faso",
      "iso2": "BF",
      "prefix": "XT-",
      "hex_start": "09C000",
      "hex_end": "09CFFF",
      "block_size": 4096
    },
    {
      "country": "Sao Tome and Principe",
      "iso2": "ST",
      "prefix": "S9-",
      "hex_start": "09E000",
      "hex_end": "09E3FF",
      "block_size": 1024
    },
    {
      "country": "Algeria",
      "iso2": "DZ",
      "prefix": "7T-",
      "hex_start": "0A0000",
      "hex_end": "0A7FFF",
      "block_size": 32768
    },
    {
      "country": "Bahamas",
      "iso2": "BS",
      "prefix": "C6-",
      "hex_start": "0A8000",
      "hex_end": "0A8FFF",
      "block_size": 4096
    },
    {
      "country": "Barbados",
      "iso2": "BB",
      "prefix": "8P-",
      "hex_start": "0AA000",
      "hex_end": "0AA3FF",
      "block_size": 1024
    },
    {
      "country": "Belize",
      "iso2": "BZ",
      "prefix": "V3-",
      "hex_start": "0AB000",
      "hex_end": "0AB3FF",
      "block_size": 1024
    },
    {
      "country": "Colombia",
      "iso2": "CO",
      "prefix": "HK-",
      "hex_start": "0AC000",
      "hex_end": "0ACFFF",
      "block_size": 4096
    },
    {
      "country": "Costa Rica",
      "iso2": "CR",
      "prefix": "TI-",
      "hex_start": "0AE000",
      "hex_end": "0AEFFF",
      "block_size": 4096
    },
    {
      "country": "Cuba",
      "iso2": "CU",
      "prefix": "CU-",
      "hex_start": "0B0000",
      "hex_end": "0B0FFF",
      "block_size": 4096
    },
    {
      "country": "El Salvador",
      "iso2": "SV",
      "prefix": "YS-",
      "hex_start": "0B2000",
      "hex_end": "0B2FFF",
      "block_size": 4096
    },
    {
      "country": "Guatemala",
      "iso2": "GT",
      "prefix": "TG-",
      "hex_start": "0B4000",
      "hex_end": "0B4FFF",
      "block_size": 4096
    },
    {
      "country": "Guyana",
      "iso2": "GY",
      "prefix": "8R-",
      "hex_start": "0B6000",
      "hex_end": "0B6FFF",
      "block_size": 4096
    },
    {
      "country": "Haiti",
      "iso2": "HT",
      "prefix": "HH-",
      "hex_start": "0B8000",
      "hex_end": "0B8FFF",
      "block_size": 4096
    },
    {
      "country": "Honduras",
      "iso2": "HN",
      "prefix": "HR-",
      "hex_start": "0BA000",
      "hex_end": "0BAFFF",
      "block_size": 4096
    },
    {
      "country": "Saint Vincent and the Grenadines",
      "iso2": "VC",
      "prefix": "J8-",
      "hex_start": "0BC000",
      "hex_end": "0BC3FF",
      "block_size": 1024
    },
    {
      "country": "Jamaica",
      "iso2": "JM",
      "prefix": "6Y-",
      "hex_start": "0BE000",
      "hex_end": "0BEFFF",
      "block_size": 4096
    },
    {
      "country": "Nicaragua",
      "iso2": "NI",
      "prefix": "YN-",
      "hex_start": "0C0000",
      "hex_end": "0C0FFF",
      "block_size": 4096
    },
    {
      "country": "Panama",
      "iso2": "PA",
      "prefix": "HP-",
      "hex_start": "0C2000",
      "hex_end": "0C2FFF",
      "block_size": 4096
    },
    {
      "country": "Dominican Republic",
      "iso2": "DO",
      "prefix": "HI-",
      "hex_start": "0C4000",
      "hex_end": "0C4FFF",
      "block_size": 4096
    },
    {
      "country": "Trinidad and Tobago",
      "iso2": "TT",
      "prefix": "9Y-",
      "hex_start": "0C6000",
      "hex_end": "0C6FFF",
      "block_size": 4096
    },
    {
      "country": "Suriname",
      "iso2": "SR",
      "prefix": "PZ-",
      "hex_start": "0C8000",
      "hex_end": "0C8FFF",
      "block_size": 4096
    },
    {
      "country": "Antigua and Barbuda",
      "iso2": "AG",
      "prefix": "V2-",
      "hex_start": "0CA000",
      "hex_end": "0CA3FF",
      "block_size": 1024
    },
    {
      "country": "Grenada",
      "iso2": "GD",
      "prefix": "J3-",
      "hex_start": "0CC000",
      "hex_end": "0CC3FF",
      "block_size": 1024
    },
    {
      "country": "Mexico",
      "iso2": "MX",
      "prefix": "XA-",
      "hex_start": "0D0000",
      "hex_end": "0D7FFF",
      "block_size": 32768
    },
    {
      "country": "Venezuela",
      "iso2": "VE",
      "prefix": "YV-",
      "hex_start": "0D8000",
      "hex_end": "0DFFFF",
      "block_size": 32768
    },
    {
      "country": "Russian Federation",
      "iso2": "RU",
      "prefix": "RA-",
      "hex_start": "100000",
      "hex_end": "1FFFFF",
      "block_size": 1048576
    },
    {
      "country": "Namibia",
      "iso2": "NA",
      "prefix": "V5-",
      "hex_start": "201000",
      "hex_end": "2013FF",
      "block_size": 1024
    },
    {
      "country": "Eritrea",
      "iso2": "ER",
      "prefix": "E3-",
      "hex_start": "202000",
      "hex_end": "2023FF",
      "block_size": 1024
    },
    {
      "country": "Italy",
      "iso2": "IT",
      "prefix": "I-",
      "hex_start": "300000",
      "hex_end": "33FFFF",
      "block_size": 262144
    },
    {
      "country": "Spain",
      "iso2": "ES",
      "prefix": "EC-",
      "hex_start": "340000",
      "hex_end": "37FFFF",
      "block_size": 262144
    },
    {
      "country": "France",
      "iso2": "FR",
      "prefix": "F-",
      "hex_start": "380000",
      "hex_end": "3BFFFF",
      "block_size": 262144
    },
    {
      "country": "Germany",
      "iso2": "DE",
      "prefix": "D-",
      "hex_start": "3C0000",
      "hex_end": "3FFFFF",
      "block_size": 262144
    },
    {
      "country": "United Kingdom",
      "iso2": "GB",
      "prefix": "G-",
      "hex_start": "400000",
      "hex_end": "43FFFF",
      "block_size": 262144
    },
    {
      "country": "Austria",
      "iso2": "AT",
      "prefix": "OE-",
      "hex_start": "440000",
      "hex_end": "447FFF",
      "block_size": 32768
    },
    {
      "country": "Belgium",
      "iso2": "BE",
      "prefix": "OO-",
      "hex_start": "448000",
      "hex_end": "44FFFF",
      "block_size": 32768
    },
    {
      "country": "Bulgaria",
      "iso2": "BG",
      "prefix": "LZ-",
      "hex_start": "450000",
      "hex_end": "457FFF",
      "block_size": 32768
    },
    {
      "country": "Denmark",
      "iso2": "DK",
      "prefix": "OY-",
      "hex_start": "458000",
      "hex_end": "45FFFF",
      "block_size": 32768
    },
    {
      "country": "Finland",
      "iso2": "FI",
      "prefix": "OH-",
      "hex_start": "460000",
      "hex_end": "467FFF",
      "block_size": 32768
    },
    {
      "country": "Greece",
      "iso2": "GR",
      "prefix": "SX-",
      "hex_start": "468000",
      "hex_end": "46FFFF",
      "block_size": 32768
    },
    {
      "country": "Hungary",
      "iso2": "HU",
      "prefix": "HA-",
      "hex_start": "470000",
      "hex_end": "477FFF",
      "block_size": 32768
    },
    {
      "country": "Norway",
      "iso2": "NO",
      "prefix": "LN-",
      "hex_start": "478000",
      "hex_end": "47FFFF",
      "block_size": 32768
    },
    {
      "country": "Netherlands",
      "iso2": "NL",
      "prefix": "PH-",
      "hex_start": "480000",
      "hex_end": "487FFF",
      "block_size": 32768
    },
    {
      "country": "Poland",
      "iso2": "PL",
      "prefix": "SP-",
      "hex_start": "488000",
      "hex_end": "48FFFF",
      "block_size": 32768
    },
    {
      "country": "Portugal",
      "iso2": "PT",
      "prefix": "CS-",
      "hex_start": "490000",
      "hex_end": "497FFF",
      "block_size": 32768
    },
    {
      "country": "Czech Republic",
      "iso2": "CZ",
      "prefix": "OK-",
      "hex_start": "498000",
      "hex_end": "49FFFF",
      "block_size": 32768
    },
    {
      "country": "Romania",
      "iso2": "RO",
      "prefix": "YR-",
      "hex_start": "4A0000",
      "hex_end": "4A7FFF",
      "block_size": 32768
    },
    {
      "country": "Sweden",
      "iso2": "SE",
      "prefix": "SE-",
      "hex_start": "4A8000",
      "hex_end": "4AFFFF",
      "block_size": 32768
    },
    {
      "country": "Switzerland",
      "iso2": "CH",
      "prefix": "HB-",
      "hex_start": "4B0000",
      "hex_end": "4B7FFF",
      "block_size": 32768
    },
    {
      "country": "Turkey",
      "iso2": "TR",
      "prefix": "TC-",
      "hex_start": "4B8000",
      "hex_end": "4BFFFF",
      "block_size": 32768
    },
    {
      "country": "Serbia",
      "iso2": "RS",
      "prefix": "YU-",
      "hex_start": "4C0000",
      "hex_end": "4C7FFF",
      "block_size": 32768
    },
    {
      "country": "Cyprus",
      "iso2": "CY",
      "prefix": "5B-",
      "hex_start": "4C8000",
      "hex_end": "4C83FF",
      "block_size": 1024
    },
    {
      "country": "Ireland",
      "iso2": "IE",
      "prefix": "EI-",
      "hex_start": "4CA000",
      "hex_end": "4CAFFF",
      "block_size": 4096
    },
    {
      "country": "Iceland",
      "iso2": "IS",
      "prefix": "TF-",
      "hex_start": "4CC000",
      "hex_end": "4CCFFF",
      "block_size": 4096
    },
    {
      "country": "Luxembourg",
      "iso2": "LU",
      "prefix": "LX-",
      "hex_start": "4D0000",
      "hex_end": "4D03FF",
      "block_size": 1024
    },
    {
      "country": "Malta",
      "iso2": "MT",
      "prefix": "9H-",
      "hex_start": "4D2000",
      "hex_end": "4D23FF",
      "block_size": 1024
    },
    {
      "country": "Monaco",
      "iso2": "MC",
      "prefix": "3A-",
      "hex_start": "4D4000",
      "hex_end": "4D43FF",
      "block_size": 1024
    },
    {
      "country": "San Marino",
      "iso2": "SM",
      "prefix": "T7-",
      "hex_start": "500000",
      "hex_end": "5003FF",
      "block_size": 1024
    },
    {
      "country": "Albania",
      "iso2": "AL",
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