37.21.23.73 is an IPv4 address owned by JSC Rostelecom regional branch "Siberia" and located in Borzya, Russia
If you believe something above is incorrect, please let us know and report wrong data
~$ curl http://api.db-ip.com/v2/free/37.21.23.73
{
"ipAddress": "37.21.23.73",
"continentCode": "EU",
"continentName": "Europe",
"countryCode": "RU",
"countryName": "Russia",
"stateProv": "Zabaykalskiy (Transbaikal) Kray",
"city": "Borzya",
}
~$ curl http://api.db-ip.com/v2/free/37.21.23.73/countryName
Russia
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.