As published on their website:
STREAMYX SERVICE INTERRUPTION NATIONWIDE
Dear Valued Customers,
We wish to inform our Streamyx customers that Telekom Malaysia Berhad (TM) will be performing a network upgrading exercise from 11.00 pm, Friday, 12th June 2009 until 6.00 am, Saturday, 13th June 2009.
As a result, Streamyx customers nationwide may experience a disruption of service during the stipulated period. We would like to assure you that the service would resume to normal after this period.
TM apologizes for any inconvenience caused whilst the same time, we would like to assure you that we are upgrading our network to enable us to serve you better.
Customers can call TM at 100 and select “Internet Services” or e-mail us at firstname.lastname@example.org for any Streamyx related problems.