Currently, there is not API to update or shrink/expand the public IP range for an advanced zone. Add an API to allow that. ##### ISSUE TYPE <!-- Pick one below and delete the rest --> * Feature Idea ##### COMPONENT NAME <!-- Categorize the issue, e.g. API, VR, VPN, UI, etc. --> ~~~ API, public ip address ~~~ ##### CLOUDSTACK VERSION <!-- New line separated list of affected versions, commit ID for issues on master branch. --> ~~~ 4.9, 4.11, master ~~~