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Internet in Australia

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The Australian Government established NBN Co in 2009 to build and operate the National Broadband Network (NBN), a national wholesale-only, open-access broadband network. The original design relied primarily on fibre to the premises (FTTP), supplemented by fixed wireless and satellite services. Following the change of government in 2013, the rollout shifted to a Multi-Technology Mix using existing and new network infrastructure. Its fixed-line technologies comprise FTTP, fibre to the building (FTTB), hybrid fibre-coaxial (HFC), fibre to the curb (FTTC) and fibre to the node (FTTN); fixed wireless and Sky Muster satellite services are used mainly in regional and remote areas.

As of May 2026, 12.67 million Australian homes and businesses were able to connect to the NBN and 8.66 million were connected through a retail provider. Some 5.09 million premises served by FTTN or FTTC could upgrade, or had upgraded, to FTTP, while 89 per cent of premises in the fixed-line footprint could access the network's highest residential wholesale speed tiers through FTTP or HFC. NBN Co aims to provide FTTP upgrade paths to more than 95 per cent of the approximately 622,000 premises that remained on FTTN connections at the end of 2025, with upgrades continuing progressively to 2030.

History

Academic networks and the first permanent Internet connection

Australian computer networking predated the country's connection to the Internet. From the mid-1970s, computer-science departments at Australian universities developed the Australian Computer Science Network (ACSNet), which used dial-up, store-and-forward technologies to exchange files and electronic mail. It later carried Usenet traffic and used the .oz domain. The .au country-code top-level domain was delegated to University of Melbourne network programmer Robert Elz in March 1986, before Australia had a permanent Internet connection.

The Australian Vice-Chancellors' Committee decided in 1988 to develop a national academic network, and the Australian Academic and Research Network (AARNet) was established in 1989. On 23 June 1989, Robert Elz opened Australia's first permanent TCP/IP Internet connection at the University of Melbourne, using a dedicated satellite circuit to the University of Hawaii. AARNet subsequently extended the Internet feed to Australian universities and research institutions; most universities and the Commonwealth Scientific and Industrial Research Organisation were connected by May 1990.

Public access and commercialisation

Accounts of Australia's first public or commercial Internet provider differ because early services did not all provide a permanent, full-IP connection. The founder of Pegasus Networks reported offering public dial-up email and newsgroup access from 1989, while the principals of Perth-based DIALix reported offering similar commercial services before obtaining a full IP connection around 1992. The Australian Bureau of Statistics identified connect.com.au, which commenced operation in 1992, as Australia's first commercial Internet provider.

Commercial access expanded after AARNet introduced a formal value-added reseller program in May 1994. In July 1995, the Australian Vice-Chancellors' Committee transferred AARNet's commercial customers, associated assets and management of interstate and international links to Telstra. The wider telecommunications market was opened to full competition when the Telecommunications Act 1997 and related legislation took effect on 1 July 1997.

Telstra began rolling out a hybrid fibre-coaxial network in 1994, followed by Optus in 1995. The networks covered parts of the major capital cities and were used for pay television, telephony and broadband services. Local interconnection also developed: the Western Australian Internet Association, now the Internet Association of Australia, established the Western Australian Internet Exchange (WA-IX) in 1997 so that participating networks could exchange traffic locally.

Consumer broadband

The Australian Competition and Consumer Commission (ACCC) issued a declaration dated 4 August 1999 establishing regulated access to the unconditioned local loop service, the copper pairs connecting premises to points of interconnection in the local telephone network. Telstra began its consumer ADSL rollout on 21 August 2000. The number of DSL subscriptions increased from approximately 6,000 in September 2000 to 27,000 in March 2001.

By September 2006, Australia had approximately 3.9 million broadband subscriptions and 2.7 million dial-up subscriptions. Wireless broadband expanded rapidly later in the decade: the ABS recorded 1.46 million wireless broadband subscriptions in December 2008, approximately three times the number recorded a year earlier.

National Broadband Network

In April 2009, after an expert panel concluded that none of the proposals submitted through an earlier tender process offered a satisfactory value-for-money outcome, the Australian Government announced that a new government-owned company would build and operate the National Broadband Network (NBN). The 2009 proposal was for a wholesale-only, open-access network, initially using fibre to the premises for 90 per cent of premises—later increased to 93 per cent—with fixed wireless and satellite services elsewhere.

Following the change of government in 2013, a revised Statement of Expectations issued in April 2014 directed NBN Co to move from a predominantly FTTP design to an area-by-area Multi-Technology Mix that used existing infrastructure, including fibre to the node, fibre to the building and HFC.

On 11 December 2020, the communications minister declared that the NBN should be treated as built and fully operational for the purposes of the National Broadband Network Companies Act 2011. Expansion and technology-upgrade programs continued after that declaration, including large-scale upgrades from copper-based FTTN and FTTC services to FTTP.

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