AIS services outage July 25 2012 from 4:00 am to 6:00 am
On Wednesday July 25, 2012 beginning at 4:00 am, AIS will be replacing core networking hardware. AIS services will be interrupted during this period. AIS network access will be restored by 6:00 am.
Story added 20. July 2012, content source with full text you can find at link above.