title: I need IPs for android.googleapis.com, to unblock it in firewall
body: <p>Android.googleapis.com-
   We send notification to the device when a content is pushed in the system, this is the google server which is responsible for sending the notification to the corresponding devices, Our both Sync Server and web portal send notifications to device using the GCM Server.</p>
  
  <p>firewall at my organization is blocking the "android.googleapis.com". I need IP addresses for this URL so, that it can be allowed from firewall.
  Pl. help</p>