Return IP information in JSON regarding your current external ip address

return external ip.md

if you're not behind a proxy

curl ipinfo.io

if through proxy

e.g. using -x --- that's a lowercase x

curl -x http://internet.proxy.com:8080 ipinfo.io

e.g. using --proxy

curl --proxy http://internet.proxy.com:8080 ipinfo.io

from > curl --help

 -x, --proxy [PROTOCOL://]HOST[:PORT] Use proxy on given port
     --proxy-anyauth Pick "any" proxy authentication method (H)
     --proxy-basic   Use Basic authentication on the proxy (H)
     --proxy-digest  Use Digest authentication on the proxy (H)
     --proxy-negotiate Use Negotiate authentication on the proxy (H)
     --proxy-ntlm    Use NTLM authentication on the proxy (H)