React Native

MaxMind IPv4 Geolocation Lookup

See more Geolocation Examples

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

import { Http, JsonObject } from '@chilkat/react-native'

async function chilkatExample() {
  // This example requires the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  const http = new 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)
  let jsonStr: string;
  try {
    jsonStr = await http.quickGetStrAsync('https://geoip.maxmind.com/geoip/v2.1/country/149.250.207.170');
  } catch {
    console.log(http.lastErrorText);
    return;
  }

  const json = new JsonObject();
  json.emitCompact = false;
  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"
  //   }
  // }
  // 
  // 

  const continentCode = json.stringOf('continent.code');
  const continentGeonameId = json.intOf('continent.geoname_id');
  const continentNamesJa = json.stringOf('continent.names.ja');
  const continentNamesPtBR = json.stringOf('continent.names.pt-BR');
  const continentNamesRu = json.stringOf('continent.names.ru');
  const continentNamesZhCN = json.stringOf('continent.names.zh-CN');
  const continentNamesDe = json.stringOf('continent.names.de');
  const continentNamesEn = json.stringOf('continent.names.en');
  const continentNamesEs = json.stringOf('continent.names.es');
  const continentNamesFr = json.stringOf('continent.names.fr');
  const countryIsoCode = json.stringOf('country.iso_code');
  const countryGeonameId = json.intOf('country.geoname_id');
  const countryNamesFr = json.stringOf('country.names.fr');
  const countryNamesJa = json.stringOf('country.names.ja');
  const countryNamesPtBR = json.stringOf('country.names.pt-BR');
  const countryNamesRu = json.stringOf('country.names.ru');
  const countryNamesZhCN = json.stringOf('country.names.zh-CN');
  const countryNamesDe = json.stringOf('country.names.de');
  const countryNamesEn = json.stringOf('country.names.en');
  const countryNamesEs = json.stringOf('country.names.es');
  const maxmindQueriesRemaining = json.intOf('maxmind.queries_remaining');
  const registeredCountryIsoCode = json.stringOf('registered_country.iso_code');
  const registeredCountryGeonameId = json.intOf('registered_country.geoname_id');
  const registeredCountryNamesEs = json.stringOf('registered_country.names.es');
  const registeredCountryNamesFr = json.stringOf('registered_country.names.fr');
  const registeredCountryNamesJa = json.stringOf('registered_country.names.ja');
  const registeredCountryNamesPtBR = json.stringOf('registered_country.names.pt-BR');
  const registeredCountryNamesRu = json.stringOf('registered_country.names.ru');
  const registeredCountryNamesZhCN = json.stringOf('registered_country.names.zh-CN');
  const registeredCountryNamesDe = json.stringOf('registered_country.names.de');
  const registeredCountryNamesEn = json.stringOf('registered_country.names.en');
  const traitsIpAddress = json.stringOf('traits.ip_address');
}