(Node.js) MaxMind IPv4 Geolocation Lookup

Demonstrates how to lookup Geolocation data for an IPv4 address using the MaxMind GeoIP2 Precision Web Service.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    var http = new chilkat.Http();

    http.Login = "MAXMIND_ACCOUNT_ID";
    http.Password = "MAXMIND_LICENSE_KEY";
    http.Accept = "application/json";

    // Lookup an IPv4 address: 149.250.207.170  (this was a randomly chosen address)
    var jsonStr = http.QuickGetStr("https://geoip.maxmind.com/geoip/v2.1/country/149.250.207.170");
    if (http.LastMethodSuccess == false) {
        console.log(http.LastErrorText);
        return;
    }

    var json = new chilkat.JsonObject();
    json.EmitCompact = false;
    var success = json.Load(jsonStr);

    console.log(json.Emit());

    // Sample output:
    // Use this online tool to generate parsing code from sample JSON: 
    // Generate Parsing Code from JSON

    // {
    //   "continent": {
    //     "code": "EU",
    //     "geoname_id": 6255148,
    //     "names": {
    //       "ja": "?????",
    //       "pt-BR": "Europa",
    //       "ru": "??????",
    //       "zh-CN": "??",
    //       "de": "Europa",
    //       "en": "Europe",
    //       "es": "Europa",
    //       "fr": "Europe"
    //     }
    //   },
    //   "country": {
    //     "is_in_european_union": true,
    //     "iso_code": "DE",
    //     "geoname_id": 2921044,
    //     "names": {
    //       "fr": "Allemagne",
    //       "ja": "????????",
    //       "pt-BR": "Alemanha",
    //       "ru": "????????",
    //       "zh-CN": "??",
    //       "de": "Deutschland",
    //       "en": "Germany",
    //       "es": "Alemania"
    //     }
    //   },
    //   "maxmind": {
    //     "queries_remaining": 49999
    //   },
    //   "registered_country": {
    //     "is_in_european_union": true,
    //     "iso_code": "DE",
    //     "geoname_id": 2921044,
    //     "names": {
    //       "es": "Alemania",
    //       "fr": "Allemagne",
    //       "ja": "????????",
    //       "pt-BR": "Alemanha",
    //       "ru": "????????",
    //       "zh-CN": "??",
    //       "de": "Deutschland",
    //       "en": "Germany"
    //     }
    //   },
    //   "traits": {
    //     "ip_address": "149.250.207.170"
    //   }
    // }
    // 
    // 
    var continentCode;
    var continentGeoname_id;
    var continentNamesJa;
    var continentNamesPt_BR;
    var continentNamesRu;
    var continentNamesZh_CN;
    var continentNamesDe;
    var continentNamesEn;
    var continentNamesEs;
    var continentNamesFr;
    var countryIs_in_european_union;
    var countryIso_code;
    var countryGeoname_id;
    var countryNamesFr;
    var countryNamesJa;
    var countryNamesPt_BR;
    var countryNamesRu;
    var countryNamesZh_CN;
    var countryNamesDe;
    var countryNamesEn;
    var countryNamesEs;
    var maxmindQueries_remaining;
    var registered_countryIs_in_european_union;
    var registered_countryIso_code;
    var registered_countryGeoname_id;
    var registered_countryNamesEs;
    var registered_countryNamesFr;
    var registered_countryNamesJa;
    var registered_countryNamesPt_BR;
    var registered_countryNamesRu;
    var registered_countryNamesZh_CN;
    var registered_countryNamesDe;
    var registered_countryNamesEn;
    var traitsIp_address;

    continentCode = json.StringOf("continent.code");
    continentGeoname_id = json.IntOf("continent.geoname_id");
    continentNamesJa = json.StringOf("continent.names.ja");
    continentNamesPt_BR = json.StringOf("continent.names.pt-BR");
    continentNamesRu = json.StringOf("continent.names.ru");
    continentNamesZh_CN = json.StringOf("continent.names.zh-CN");
    continentNamesDe = json.StringOf("continent.names.de");
    continentNamesEn = json.StringOf("continent.names.en");
    continentNamesEs = json.StringOf("continent.names.es");
    continentNamesFr = json.StringOf("continent.names.fr");
    countryIs_in_european_union = json.BoolOf("country.is_in_european_union");
    countryIso_code = json.StringOf("country.iso_code");
    countryGeoname_id = json.IntOf("country.geoname_id");
    countryNamesFr = json.StringOf("country.names.fr");
    countryNamesJa = json.StringOf("country.names.ja");
    countryNamesPt_BR = json.StringOf("country.names.pt-BR");
    countryNamesRu = json.StringOf("country.names.ru");
    countryNamesZh_CN = json.StringOf("country.names.zh-CN");
    countryNamesDe = json.StringOf("country.names.de");
    countryNamesEn = json.StringOf("country.names.en");
    countryNamesEs = json.StringOf("country.names.es");
    maxmindQueries_remaining = json.IntOf("maxmind.queries_remaining");
    registered_countryIs_in_european_union = json.BoolOf("registered_country.is_in_european_union");
    registered_countryIso_code = json.StringOf("registered_country.iso_code");
    registered_countryGeoname_id = json.IntOf("registered_country.geoname_id");
    registered_countryNamesEs = json.StringOf("registered_country.names.es");
    registered_countryNamesFr = json.StringOf("registered_country.names.fr");
    registered_countryNamesJa = json.StringOf("registered_country.names.ja");
    registered_countryNamesPt_BR = json.StringOf("registered_country.names.pt-BR");
    registered_countryNamesRu = json.StringOf("registered_country.names.ru");
    registered_countryNamesZh_CN = json.StringOf("registered_country.names.zh-CN");
    registered_countryNamesDe = json.StringOf("registered_country.names.de");
    registered_countryNamesEn = json.StringOf("registered_country.names.en");
    traitsIp_address = json.StringOf("traits.ip_address");

}

chilkatExample();