Your IP-Address is: 

2600:1f28:365:80b0:6ed7:e65a:3df2:71b2

use curl from command line:

# curl goip.info
# curl goip.info/?format=json

2600:1f28:365:80b0:6ed7:e65a:3df2:71b2

ipv4.goip.info  and  ipv6.goip.info  also work.