103.13.255.12 or c103-13-255-12.dhcp.cat-v.ne.jp is an IPv4 address owned by Sendai Catv Co., Ltd. and located in Sendai (Honcho), Japan
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~$ curl http://api.db-ip.com/v2/free/103.13.255.12
{
"ipAddress": "103.13.255.12",
"continentCode": "AS",
"continentName": "Asia",
"countryCode": "JP",
"countryName": "Japan",
"stateProv": "Miyagi",
"city": "Sendai (Honcho)",
}
~$ curl http://api.db-ip.com/v2/free/103.13.255.12/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.