223.133.176.3 or pdf85b003.ymgcnt01.ap.so-net.ne.jp is an IPv4 address owned by So-net Entertainment Corporation and located in Shinagawa, Japan
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~$ curl http://api.db-ip.com/v2/free/223.133.176.3
{
"ipAddress": "223.133.176.3",
"continentCode": "AS",
"continentName": "Asia",
"countryCode": "JP",
"countryName": "Japan",
"stateProv": "Tokyo",
"city": "Shinagawa",
}
~$ curl http://api.db-ip.com/v2/free/223.133.176.3/countryName
Japan
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