https://api.manana.kr/ip/country.json

Supported HTTP Method : GET, POST
@param
ip
ipv4 or ipv6
language
en,ko,ja,emoji,alpha2,alpha3

Choice 1. https://api.manana.kr/ip/country.json
Choice 2. https://api.manana.kr/ip/country/18.97.14.86.json
Choice 3. https://api.manana.kr/ip/country.json?ip=18.97.14.86

{
    "18.97.14.86": "United States of America"
}
{"18.97.14.86":"United States of America"}
<?xml version="1.0" encoding="UTF-8"?>
<response>
    <item-18.97.14.86>United States of America</item-18.97.14.86>
</response>
MaxMind