Sample code for 30+ languages & platforms
React Native

ipinfo.io IPv4 Geolocation Lookup

See more Geolocation Examples

Demonstrates how to lookup Geolocation data for an IPv4 address using the ipinfo.io API.

Chilkat React Native Downloads

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 = 'ACCESS_TOKEN';
  http.password = '';
  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://ipinfo.io/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

  // Note: This is the output for the free trial account.
  // 
  // {
  //   "ip": "149.250.207.170",
  //   "city": "",
  //   "region": "",
  //   "country": "DE",
  //   "loc": "51.2993,9.4910",
  //   "org": "AS15854 EntServ Deutschland GmbH"
  // }

  // A full response would look like this:

  // {
  //   "ip": "66.87.125.72",
  //   "hostname": "66-87-125-72.pools.spcsdns.net",
  //   "city": "Southbridge",
  //   "region": "Massachusetts",
  //   "country": "US",
  //   "loc": "42.0707,-72.0440",
  //   "postal": "01550",
  //   "asn": {
  //     "asn": "AS10507",
  //     "name": "Sprint Personal Communications Systems",
  //     "domain": "spcsdns.net",
  //     "route": "66.87.125.0/24",
  //     "type": "isp"
  //   },
  //   "company": {
  //     "name": "Sprint Springfield POP",
  //     "domain": "sprint.com",
  //     "type": "isp"
  //   },  
  //   "carrier": {
  //     "name": "Sprint",
  //     "mcc": "310",
  //     "mnc": "120"
  //   }
  // }
  // 

  const ip = json.stringOf('ip');
  const hostname = json.stringOf('hostname');
  const city = json.stringOf('city');
  const region = json.stringOf('region');
  const country = json.stringOf('country');
  const loc = json.stringOf('loc');
  const postal = json.stringOf('postal');
  const asnAsn = json.stringOf('asn.asn');
  const asnName = json.stringOf('asn.name');
  const asnDomain = json.stringOf('asn.domain');
  const asnRoute = json.stringOf('asn.route');
  const asnType = json.stringOf('asn.type');
  const companyName = json.stringOf('company.name');
  const companyDomain = json.stringOf('company.domain');
  const companyType = json.stringOf('company.type');
  const carrierName = json.stringOf('carrier.name');
  const carrierMcc = json.stringOf('carrier.mcc');
  const carrierMnc = json.stringOf('carrier.mnc');
}