ifconfig.io ifconfig.me

$ curl ifconfig.io
92.203.52.140
$ curl ifconfig.me
92.203.52.140
IPv4 固定
$ curl ifconfig.io -4
92.203.52.140
$ curl ifconfig.me -4
92.203.52.140

$ curl ifconfig.io/all.json
{
 "country_code": "JP",
 "encoding": "gzip",
 "forwarded": "92.203.52.140",
 "ifconfig_hostname": "ifconfig.io",
 "ip": "92.203.52.140",
 "lang": "",
 "method": "GET",
 "mime": "*/*",
 "port": 2538,
 "referer": "",
 "ua": "curl/7.64.1"
}

ipinfo.io

$ curl ipinfo.io
{
 "ip": "92.203.52.140",
 "hostname": "fp5ccb348c.fkol216.ap.nuro.jp",
 "city": "Tokyo",
 "region": "Tokyo",
 "country": "JP",
 "loc": "35.6910,139.7679",
 "org": "AS2527 Sony Network Communications Inc.",
 "postal": "101-0047",
 "timezone": "Asia/Tokyo",
 "readme": "https://ipinfo.io/missingauth"
}

inet-ip.info

$ curl inet-ip.info
92.203.52.140

$ curl inet-ip.info/ip
92.203.52.140

$ curl inet-ip.info/json
{
 "IP": "92.203.52.140",
 "Hostname": "[fp5ccb348c.fkol216.ap.nuro.jp.]",
 "CountryCode": "DE",
 "CountryName": "Germany",
 "Accept": ["*/*"],
 "AcceptEncoding": null,
 "AcceptLanguage": null,
 "UserAgent": ["curl/7.64.1"],
 "Via": null,
 "XForwardedFor": ["92.203.52.140"],
 "XForwardedPort": null,
 "XForwardedProto": ["http"],
 "RequestURI": "/json"
}

ip-api.com

$ curl ip-api.com
{
 "status" : "success",
 "continent" : "Asia",
 "continentCode": "AS",
 "country" : "Japan",
 "countryCode" : "JP",
 "region" : "40",
 "regionName" : "Fukuoka",
 "city" : "Fukuoka",
 "district" : "",
 "zip" : "819-0001",
 "lat" : 33.5895,
 "lon" : 130.3197,
 "timezone" : "Asia/Tokyo",
 "offset" : 32400,
 "currency" : "JPY",
 "isp" : "Sony Network Communications Inc",
 "org" : "Sony Network Communications Inc.",
 "as" : "AS2527 Sony Network Communications Inc.",
 "asname" : "SO-NET",
 "mobile" : false,
 "proxy" : false,
 "hosting" : false,
 "query" : "92.203.52.140"
}

httpbin.org

$ curl httpbin.org/ip
{
 "origin": "92.203.52.140"
}

余談

digコマンドの場合

$ dig o-o.myaddr.l.google.com @ns1.google.com txt +short
"92.203.52.140"

$ dig myip.opendns.com @resolver1.opendns.com +short
92.203.52.140