curl -s https://www.whoismyisp.org |  grep -o -P '(?<=is).*(?=In some)'

curl -s https://www.whoismyisp.org/ip/xxx.xxx.xxx.xxx |  grep -o -P '(?<=is).*(?=In some)'

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

$ curl ipinfo.io
{
  "ip": "xxx.xxx.xxx.xxx",
  "hostname": "xxxxxxxxxxxxxxxxxxxxxxxxxxx.xx",
  "city": "xxxxxxxx",
  "region": "xxxxxxxxxx",
  "country": "xx",
  "loc": "xxx.xxxx,xxx.xxxx",
  "org": "xxxxxxxxxxxx",
  "postal": "xxxxx"
}

curl ipinfo.io/org