145.112.165.101 or SURFnet-NL.IPv4.PTR.145.112.x.INVALID is an IPv4 address owned by Surfnet-Blockb108 and located in Utrecht, Netherlands
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~$ curl http://api.db-ip.com/v2/free/145.112.165.101
{
"ipAddress": "145.112.165.101",
"continentCode": "EU",
"continentName": "Europe",
"countryCode": "NL",
"countryName": "Netherlands",
"stateProv": "Utrecht",
"city": "Utrecht",
}
~$ curl http://api.db-ip.com/v2/free/145.112.165.101/countryName
Netherlands
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.