131.221.31.0 is an IPv4 address owned by Network Technologies Limited and located in Mayaro, Trinidad and Tobago
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~$ curl http://api.db-ip.com/v2/free/131.221.31.0
{
"ipAddress": "131.221.31.0",
"continentCode": "NA",
"continentName": "North America",
"countryCode": "TT",
"countryName": "Trinidad and Tobago",
"stateProv": "Mayaro",
"city": "Mayaro",
}
~$ curl http://api.db-ip.com/v2/free/131.221.31.0/countryName
Trinidad and Tobago
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.