MobileIron - relevante iOS und Android Ports

iOS:
Open ports 2195 and 2196 (TCP) to Apple’s MDM server (17.0.0.0/8) for support of MDM for iOS devices. (IP addresses vary. Perform an nslookup to determine the necessary IP addresses.)
TCP 2195: gateway.push.apple.com
TCP 2196: feedback.push.apple.com
itunes.apple.com and *.mzstatic.com for doing iTunes App Store lookups.
ocsp.apple.com: Status of the distribution certificate used to sign the provisioning profile.

For devices on closed networks:
ax.init.itunes.apple.com: Current file-size limit for downloading apps over the cellular network.

iOS WiFi Devies (in WLAN):
Open port 5223 (TCP) to open to 17.0.0.0/8 to allow iOS devices using corporate WiFi to access Apple’s APNs service.



Android:
Open ports 5228 (TCP) and 443 (HTTPS) to android.apis.google.com to allow Android devices to access Google's C2DM service. (IP addresses vary. Perform an nslookup to determine the necessary IP addresses.)