IP Address Lookup API

IPStack

https://ipstack.com/

http://api.ipstack.com/12.75.11.54?access_key=xxxxxxxxxx&format=1

{
  "ip":"12.75.11.54",
  "type":"ipv4",
  "continent_code":"NA",
  "continent_name":"North America",
  "country_code":"US",
  "country_name":"United States",
  "region_code":"CA",
  "region_name":"California",
  "city":"San Diego",
  "zip":"92030",
  "latitude":30.86677932739258,
  "longitude":-110.24823760986328,
  "location":{
    "geoname_id":5391511,
    "capital":"Washington D.C.",
    "languages":[
      {
        "code":"en",
        "name":"English",
        "native":"English"
      }
    ],
    "country_flag":"http:\/\/assets.ipstack.com\/flags\/us.svg",
    "country_flag_emoji":"\ud83c\uddfa\ud83c\uddf8",
    "country_flag_emoji_unicode":"U+1F1FA U+1F1F8",
    "calling_code":"1",
    "is_eu":false
  }
}

IPAPI.co

https://ipapi.co/

https://ipapi.co/12.75.11.54/json/

{
    "ip": "12.75.11.54",
    "version": "IPv4",
    "city": "San Jose",
    "region": "California",
    "region_code": "CA",
    "country": "US",
    "country_name": "United States",
    "country_code": "US",
    "country_code_iso3": "USA",
    "country_capital": "Washington",
    "country_tld": ".us",
    "continent_code": "NA",
    "in_eu": false,
    "postal": "Sign up to access",
    "latitude": "Sign up to access",
    "longitude": "Sign up to access",
    "timezone": "America/Los_Angeles",
    "utc_offset": "-0700",
    "country_calling_code": "+1",
    "currency": "USD",
    "currency_name": "Dollar",
    "languages": "en-US,es-US,haw,fr",
    "country_area": 9629091.0,
    "country_population": 327167434.0,
    "message": "Please message us at ipapi.co/trial for full access",
    "asn": "AS8075",
    "org": "MICROSOFT-CORP-MSN-AS-BLOCK"
}

Sources:

https://www.learmoreseekmore.com/2020/12/users-ip-geolocation-blazorwebasm.html