Global IP 確認

brew install curl
curl ipcheck.ieserver.net
curl ipecho.net/plain ; echo
curl -v httpbin.org/ip

or

wget -V
Wget 1.13
wget -q -O - ipcheck.ieserver.net

References

• グローバルIPをcurlで確認
• http://askubuntu.com/questions/95910/command-for-determining-my-public-ip
• Current IP Check
• 確認くん(VIA the UGTOP)