April, 7 2016. As per notice from Amazon Japan ISP, network maintenance within Clara Online Backbone Network will be performed on:
Apr 19th, 2016(Tue) 0:00 – 6:00 (JST)
Apr 26th, 2016(Tue) 0:00 – 6:00 (JST)
There is a possibility that monitoring from Amazon Japan location may be unavailable during these periods.