[jachee]

And the easy-to-remember-for-Unix-nerds:

    ifconfig.me/ip

[fragmede]

if you use curl it'll do user agent detection and just give you your ip

    curl ifconfig.me

[emmelaich]

or google search, which you tell you (might be fourth or more result)

https://www.google.com/search?q=what%27s+my+ip

[peddling-brink]

Or ifconfig.co

[LargoLasskhyfv]

v6! Yay!

[jachee]

One of the reasons I dig it.