(VB.NET) MaxMind IPv4 Geolocation Lookup

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

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

Dim http As 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)
Dim jsonStr As String = http.QuickGetStr("https://geoip.maxmind.com/geoip/v2.1/country/149.250.207.170")
If (http.LastMethodSuccess = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Dim json As New Chilkat.JsonObject
json.EmitCompact = False
Dim success As Boolean = json.Load(jsonStr)

Debug.WriteLine(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"
'   }
' }
' 
' 
Dim continentCode As String
Dim continentGeoname_id As Integer
Dim continentNamesJa As String
Dim continentNamesPt_BR As String
Dim continentNamesRu As String
Dim continentNamesZh_CN As String
Dim continentNamesDe As String
Dim continentNamesEn As String
Dim continentNamesEs As String
Dim continentNamesFr As String
Dim countryIs_in_european_union As Boolean
Dim countryIso_code As String
Dim countryGeoname_id As Integer
Dim countryNamesFr As String
Dim countryNamesJa As String
Dim countryNamesPt_BR As String
Dim countryNamesRu As String
Dim countryNamesZh_CN As String
Dim countryNamesDe As String
Dim countryNamesEn As String
Dim countryNamesEs As String
Dim maxmindQueries_remaining As Integer
Dim registered_countryIs_in_european_union As Boolean
Dim registered_countryIso_code As String
Dim registered_countryGeoname_id As Integer
Dim registered_countryNamesEs As String
Dim registered_countryNamesFr As String
Dim registered_countryNamesJa As String
Dim registered_countryNamesPt_BR As String
Dim registered_countryNamesRu As String
Dim registered_countryNamesZh_CN As String
Dim registered_countryNamesDe As String
Dim registered_countryNamesEn As String
Dim traitsIp_address As String

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")