What is my public IP?

I normally use http://icanhazip.com/ which does support ipv6. This could be useful though, as it provides the Geo-location.

No IPv6, no support for Unicode in city names. This site needs some major improvement. The geo location is nice though.

No IPv6 support - 2016. :(

curl -s whatismyip.akamai.com

dig +short myip.opendns.com @208.67.220.220