80.255.12.139 is an IPv4 address owned by Core-Backbone GmbH and located in Opfikon, Switzerland
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~$ curl http://api.db-ip.com/v2/free/80.255.12.139
{
"ipAddress": "80.255.12.139",
"continentCode": "EU",
"continentName": "Europe",
"countryCode": "CH",
"countryName": "Switzerland",
"stateProv": "Zurich",
"city": "Opfikon",
}
~$ curl http://api.db-ip.com/v2/free/80.255.12.139/countryName
Switzerland
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.