212.4.141.143 or 212-4-141-143.cust.selfnet.cz is an IPv4 address owned by Czechbone and located in Břeclav, Czechia
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~$ curl http://api.db-ip.com/v2/free/212.4.141.143
{
"ipAddress": "212.4.141.143",
"continentCode": "EU",
"continentName": "Europe",
"countryCode": "CZ",
"countryName": "Czechia",
"stateProv": "South Moravian",
"city": "B\u0159eclav",
}
~$ curl http://api.db-ip.com/v2/free/212.4.141.143/countryName
Czechia
The free API is limited to 500 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.