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Australia was connected to the internet on 3 September 1983
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The first permanent circuit connecting AARNet to ARPANet using TCP/IUP over X.25 was established in May 1989.
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In the late 1990s, Telstra and Optus rolled-out separate cable Internet services, focusing on the east coast
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In 1992 there were two commercial ISPs competing with one another. One being DIALix, providing services to Perth and Pegasus Networks out of Byron Bay
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In 2000, the first consumer ADSL services were made available via Telstra Bigpond, at speeds of 256/64 kbit/s (downstream/upstream), 512/128 kbit/s, and 1500/256 kbit/s.
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In 2005, Telstra announced it would invest A$210 million in upgrading all of its ADSL exchanges to support ADSL2+ by mid-2006,