Answer by Joe Beda for gcutil addinstance no longer returns IP address of instance - http://stackoverflow.com/questio...
Oct 30, 2013
from
A future release will add this back by default. We removed columns to make it fit on a more typical terminal but perhaps went too far.
In the meantime, you can run:
gcutil listinstances --columns=name,zone,external-ip,status
Sorry for the inconvenience!
- Joe Beda