150.161.57.204 is an IPv4 address owned by Rede Nacional de Ensino e Pesquisa and located in Cidade Universitária, Brazil
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~$ curl http://api.db-ip.com/v2/free/150.161.57.204
{
"ipAddress": "150.161.57.204",
"continentCode": "SA",
"continentName": "South America",
"countryCode": "BR",
"countryName": "Brazil",
"stateProv": "Pernambuco",
"city": "Cidade Universit\u00e1ria",
}
~$ curl http://api.db-ip.com/v2/free/150.161.57.204/countryName
Brazil
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