dig +short myip.opendns.com @resolver1.opendns.com
or bind to an alias:
alias ip="dig +short myip.opendns.com @resolver1.opendns.com"
In my experience I've found this to be considerably faster than many of the cURL / ifconfig.me solutions.
Nice! I use the following for my LAN IP:
alias myip="ifconfig | grep 'inet ' | grep -v 127.0.0.1 | cut -d\ -f2"
@mdeiters Great! Thanks for that, will add to my growing alias file.
I generally use this:
To add to the clipboard on OS X:
curl http://remoteip.me | pbcopy