ipinfo.io

$ curl ipinfo.io

{
  "ip": "47.245.29.197",
  "city": "Tokyo",
  "region": "Tokyo",
  "country": "JP",
  "loc": "35.6895,139.6917",
  "org": "AS45102 Alibaba (US) Technology Co., Ltd.",
  "postal": "101-8656",
  "timezone": "Asia/Tokyo",
  "readme": "https://ipinfo.io/missingauth"
}

ip.me / ifconfig.me

$ curl ip.me

47.245.29.197