The best replacement for iinet is tpg.

The best alternatives to iinet are rated as following:
★★★★★  tpg
★★★★  internode
★★★★  telstra
★★★  optus
★★  iprimus
★★  dodo
★★  exetel
★★  afact
★★  westnet
★  bigpond
★  vividwireless
★  optus broadband
★  telstra nbn
  netspace
  amnet
  tpg internet

Your alternative for iinet is not listed? Suggest!
Speaking about iinet, one probably shouldn't forget about foxtel.

Other search terms related to iinet and their ratings are:
★★★★★ foxtel
★★ bigpond modem
You have in mind a companion for iinet and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of iinet in all years. Click on graph for more.
iinet
tpg
internode