203.255.104.0 is an IPv4 address owned by Chosun ilbo Inc. and located in Seoul (Sejong-daero 21-gil), South Korea
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~$ curl http://api.db-ip.com/v2/free/203.255.104.0
{
"ipAddress": "203.255.104.0",
"continentCode": "AS",
"continentName": "Asia",
"countryCode": "KR",
"countryName": "South Korea",
"stateProv": "Seoul",
"city": "Seoul (Sejong-daero 21-gil)",
}
~$ curl http://api.db-ip.com/v2/free/203.255.104.0/countryName
South Korea
The free API is limited to 500 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.