31.217.100.155 is an IPv4 address owned by Hrvatski Telekom d.d and located in Split, Croatia
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~$ curl http://api.db-ip.com/v2/free/31.217.100.155
{
"ipAddress": "31.217.100.155",
"continentCode": "EU",
"continentName": "Europe",
"countryCode": "HR",
"countryName": "Croatia",
"stateProv": "Split-Dalmatia",
"city": "Split",
}
~$ curl http://api.db-ip.com/v2/free/31.217.100.155/countryName
Croatia
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.