Due to Ruckus firmware behavior end-user devices might not be able to reach some (mainly CDN and cloud) domains from walled garden list. This can cause wrong rendering of the captive portal.
The new IP ranges (indented in the list below) were added on 15th December 2016.
(direct link to IPs list in JSON format: https://ip-ranges.amazonaws.com/ip-ranges.json)
As a workaround you have to add static IP's shown bellow to adjust firmware behavior and to be able to start monetizing your network immediately.