112.139.31.23 is an IPv4 address owned by TOKAI Communications Corporation and located in Yaizu, Japan
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~$ curl http://api.db-ip.com/v2/free/112.139.31.23
{
"ipAddress": "112.139.31.23",
"continentCode": "AS",
"continentName": "Asia",
"countryCode": "JP",
"countryName": "Japan",
"stateProv": "Shizuoka",
"city": "Yaizu",
}
~$ curl http://api.db-ip.com/v2/free/112.139.31.23/countryName
Japan
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.