curlでIPアドレス情報を取得するサービス

自分(クライアント)のIP情報を取得する方法

curl ipinfo.io
{
  "ip": "111.xxx.yyy.zzz",
  "hostname": "xxxyyyzzz.aa-net.ne.jp",
  "city": "Tokyo",
  "region": "Tokyo",
  "country": "JP",
  "loc": "xxx.xxxx,xxx.yyyy",
  "org": "ASxxxx yyyy CORPORATION",
  "postal": "xxx-yyyy",
  "timezone": "Asia/Tokyo",
  "readme": "https://ipinfo.io/missingauth"
}

指定したIPアドレスの情報を取得する方法

例：Twitter

curl ipinfo.io/104.244.42.129
{
  "ip": "104.244.42.129",
  "city": "New York City",
  "region": "New York",
  "country": "US",
  "loc": "40.7143,-74.0060",
  "org": "AS13414 Twitter Inc.",
  "postal": "10004",
  "timezone": "America/New_York",
  "readme": "https://ipinfo.io/missingauth"
}

例：Amazon

curl ipinfo.io/52.193.175.205
{
  "ip": "52.193.175.205",
  "hostname": "ec2-52-193-175-205.ap-northeast-1.compute.amazonaws.com",
  "city": "Tokyo",
  "region": "Tokyo",
  "country": "JP",
  "loc": "35.6895,139.6917",
  "org": "AS16509 Amazon.com, Inc.",
  "postal": "151-0052",
  "timezone": "Asia/Tokyo",
  "readme": "https://ipinfo.io/missingauth"
}