27.66.72.13 or localhost is an IPv4 address owned by Viettel Group and located in Thái Nguyên, Vietnam
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~$ curl http://api.db-ip.com/v2/free/27.66.72.13
{
"ipAddress": "27.66.72.13",
"continentCode": "AS",
"continentName": "Asia",
"countryCode": "VN",
"countryName": "Vietnam",
"stateProv": "Th\u00e1i Nguy\u00ean Province",
"city": "Th\u00e1i Nguy\u00ean",
}
~$ curl http://api.db-ip.com/v2/free/27.66.72.13/countryName
Vietnam
The free API is limited to 1,000 daily requests and returns city level location data only, if you require larger query volumes or more information such as latitude/longitude, ISP details or threat level assessment, please see our commercial offers.