203.191.221.210 or 203-191-221-210.cidr9.kct.ad.jp is an IPv4 address owned by Lcv and located in Suwa (Kuwabara), Japan
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~$ curl http://api.db-ip.com/v2/free/203.191.221.210
{
"ipAddress": "203.191.221.210",
"continentCode": "AS",
"continentName": "Asia",
"countryCode": "JP",
"countryName": "Japan",
"stateProv": "Nagano",
"city": "Suwa (Kuwabara)",
}
~$ curl http://api.db-ip.com/v2/free/203.191.221.210/countryName
Japan
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.