According to downdector.sg, there are many reports of connectivitiy issues to Starhub hosted sites. e.g. starhub.com. It seems that Starhub subscribers are also having isssues accessing popular websites like Facebook, twitter etc. Giga! users are also reported to be having issues accessing internet on their mobile phones. Other telco users are getting intermittent connection issues to www.starhub.com too.
Starhub also posted a news on it’s Facebook page that they are investigating into the matter.
According to readers, MyRepublic and it’s MVNO are not affected. M1 Singtel and TPG users aren’t affected.