131.72.136.0 is an IPv4 address owned by Osnet SAS and located in Bogotá (Rincón del Chicó), Colombia
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~$ curl http://api.db-ip.com/v2/free/131.72.136.0
{
"ipAddress": "131.72.136.0",
"continentCode": "SA",
"continentName": "South America",
"countryCode": "CO",
"countryName": "Colombia",
"stateProv": "Bogota D.C.",
"city": "Bogot\u00e1 (Rinc\u00f3n del Chic\u00f3)",
}
~$ curl http://api.db-ip.com/v2/free/131.72.136.0/countryName
Colombia
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.