Internet service provider iPrimus suffered a half-hour outage nationwide at 5pm AEDT, blaming equipment failure.
Users took to Twitter and Facebook to complain about the outage.
iPrimus spokesperson Andy Lee confirmed the outage, saying in a statement to iTnews:
"We were experiencing an intermittent hardware issue which caused instability in the network affecting some voice and data services, our engineers responded promptly to rectify the issue.
We apologise for any inconvenience this might have caused our customers”.