123.30.133.171 is an IPv4 address owned by VietNam Post and Telecom Corporation and located in Hanoi, Vietnam
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~$ curl http://api.db-ip.com/v2/free/123.30.133.171
{
"ipAddress": "123.30.133.171",
"continentCode": "AS",
"continentName": "Asia",
"countryCode": "VN",
"countryName": "Vietnam",
"stateProv": "Hanoi",
"city": "Hanoi",
}
~$ curl http://api.db-ip.com/v2/free/123.30.133.171/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.