Country
Australia
Autonomous systems registered in Australia, largest IPv4 address space first.
Routed networks
1,685
of 3,002 registered
IPv4 addresses
53.41M
19,969 prefixes
IPv6 prefixes
3,972
AU
Networks
| AS | Network | IPv4 addresses | IPv4 prefixes | IPv6 prefixes | Upstreams | Downstreams |
|---|---|---|---|---|---|---|
| AS1221 | Telstra Limited | 13.40M | 281 | 2 | 3 | 291 |
| AS4804 | Microplex PTY LTD | 9.31M | 284 | 111 | 2 | 1 |
| AS7545 | TPG Telecom Limited | 5.55M | 4,647 | 415 | 11 | 6 |
| AS133612 | Vodafone Australia Pty Ltd | 3.10M | 315 | 787 | 1 | 1 |
| AS4739 | Internode Pty Ltd | 2.80M | 397 | 7 | 1 | 3 |
| AS7575 | Australian Academic and Research Network (AARNet) | 1.30M | 202 | 9 | 17 | 469 |
| AS2764 | AAPT Limited | 1.17M | 1,449 | 98 | 2 | 265 |
| AS9443 | Vocus Retail | 1.15M | 47 | 3 | 1 | 0 |
| AS135887 | Belong (Telstra Limited) | 849K | 465 | 6 | 1 | 0 |
| AS4764 | Aussie Broadband | 721K | 384 | 19 | 10 | 130 |
| AS7474 | SingTel Optus Pty Ltd | 564K | 158 | 5 | 4 | 178 |
| AS6262 | Commonwealth Scientific and Industrial | 550K | 63 | 17 | 1 | 0 |
| AS10143 | Exetel Pty Ltd | 385K | 78 | 12 | 1 | 20 |
| AS38333 | Symbio Networks | 360K | 143 | 0 | 9 | 1 |
| AS4826 | Vocus Connect International Backbone | 335K | 162 | 7 | 21 | 365 |
| AS38809 | Vocus Advanced Services | 269K | 70 | 8 | 1 | 12 |
| AS56132 | Monash University, | 245K | 14 | 8 | 1 | 1 |
| AS9650 | QLD Government Business (IT) | 242K | 65 | 1 | 7 | 2 |
| AS24033 | Australian Private Networks Pty Ltd | 231K | 35 | 0 | 9 | 0 |
| AS38195 | Superloop | 216K | 150 | 5 | 13 | 97 |
| AS9555 | Verizon Australia PTY Limited | 206K | 30 | 5 | 1 | 0 |
| AS9328 | DATACOM SYSTEMS (AU) PTY LTD | 199K | 48 | 3 | 6 | 1 |
| AS23859 | University of New South Wales | 197K | 4 | 0 | 1 | 0 |
| AS141468 | Department of the Prime Minister and Cabinet | 197K | 14 | 0 | 2 | 0 |
| AS137409 | GSL Networks Pty LTD | 162K | 574 | 1,065 | 70 | 241 |
| AS10235 | National Australia Bank Limited | 160K | 65 | 0 | 3 | 0 |
| AS140637 | Macquarie Technology Operations Pty Limited | 152K | 50 | 3 | 6 | 1 |
| AS17983 | Coles Supermarkets Australia Pty Ltd | 152K | 21 | 0 | 3 | 0 |
| AS7645 | Deakin University | 149K | 45 | 1 | 1 | 0 |
| AS37978 | Networking Tasmania | 145K | 14 | 0 | 1 | 1 |
| AS17766 | Nexon Asia Pacific Pty Ltd | 140K | 76 | 7 | 7 | 4 |
| AS24433 | Central Queensland University | 140K | 9 | 0 | 1 | 0 |
| AS9342 | Australian Broadcasting Corporation | 140K | 8 | 0 | 4 | 0 |
| AS17756 | Australia Post | 138K | 24 | 0 | 2 | 0 |
| AS1851 | Adelaide University | 135K | 9 | 1 | 2 | 0 |
| AS17477 | Macquarie Technology Operations Pty Limited | 133K | 112 | 8 | 7 | 13 |
| AS135348 | QANTAS Airways Limited | 133K | 10 | 0 | 2 | 0 |
| AS38474 | Department of Climate Change Energy the Environment and Water | 133K | 4 | 2 | 2 | 0 |
| AS18191 | OPTUS CUSTOMER NETWORK | 132K | 5 | 0 | 1 | 0 |
| AS7486 | News Digital Media Pty Limited | 131K | 6 | 0 | 2 | 0 |
| AS132321 | NORTHERN TERRITORY OF AUSTRALIA | 131K | 4 | 0 | 2 | 0 |
| AS24434 | James Cook University | 122K | 10 | 0 | 1 | 0 |
| AS45671 | Wholesale Services Provider | 118K | 177 | 22 | 4 | 9 |
| AS18390 | Spintel Pty Ltd | 116K | 210 | 19 | 10 | 2 |
| AS24436 | University of Queensland | 111K | 23 | 1 | 1 | 1 |
| AS24313 | NSW Department of Education | 110K | 82 | 0 | 7 | 0 |
| AS10079 | University of Western Sydney | 108K | 144 | 0 | 1 | 0 |
| AS9723 | iseek Communications Pty Ltd | 107K | 156 | 3 | 6 | 23 |
| AS55803 | Hostopia Australia Web Pty Ltd | 102K | 38 | 3 | 8 | 2 |
| AS45867 | Commonwealth Bank of Australia | 101K | 19 | 0 | 5 | 0 |
| AS38327 | Woodside Energy Ltd | 98.30K | 2 | 1 | 5 | 0 |
| AS139344 | ACT Government InTACT Group | 97.54K | 7 | 0 | 1 | 0 |
| AS7477 | SkyMesh Pty Ltd | 90.88K | 86 | 11 | 7 | 1 |
| AS58507 | Wireline | 86.02K | 81 | 67 | 8 | 1 |
| AS136518 | WA Government project | 84.48K | 59 | 0 | 4 | 0 |
| AS38835 | Buroserv Australia Pty Ltd | 81.66K | 161 | 0 | 1 | 0 |
| AS10148 | The University of Melbourne, Melbourne, Victoria | 78.34K | 15 | 0 | 1 | 0 |
| AS9652 | ECN Internet | 77.06K | 148 | 11 | 7 | 2 |
| AS9893 | Cenitex | 77.06K | 24 | 0 | 1 | 0 |
| AS136572 | Office of The Chief Information Officer (OCIO) | 75.78K | 22 | 0 | 1 | 0 |
| AS132029 | Telstra Limited | 75.26K | 14 | 1 | 1 | 0 |
| AS9509 | Department of Employment and Workplace Relations | 74.24K | 4 | 2 | 1 | 0 |
| AS58611 | Charles Darwin University | 73.73K | 8 | 0 | 1 | 0 |
| AS134111 | Commonwealth Scientific and Industrial Research Organisation | 69.89K | 6 | 0 | 1 | 0 |
| AS136247 | Victoria University | 67.84K | 4 | 0 | 1 | 0 |
| AS24437 | University of Western Australia | 67.58K | 6 | 0 | 1 | 1 |
| AS58698 | 1 northfields av | 67.07K | 7 | 1 | 1 | 0 |
| AS131074 | APNIC Research and Development | 67.07K | 7 | 0 | 1 | 1 |
| AS56131 | DXC Connect Pty Limited | 67.07K | 5 | 0 | 1 | 0 |
| AS135893 | La Trobe University | 66.82K | 4 | 0 | 1 | 0 |
| AS17750 | ENERGEX LIMITED | 66.56K | 5 | 0 | 2 | 0 |
| AS9983 | Australian Bureau of Statistics. | 66.30K | 4 | 0 | 1 | 0 |
| AS24014 | Bond University Limited | 66.30K | 4 | 0 | 1 | 0 |
| AS7573 | The University of Tasmania | 66.05K | 6 | 0 | 1 | 0 |
| AS150301 | WATER CORPORATION | 65.79K | 2 | 0 | 1 | 0 |
| AS58877 | Charles Sturt University | 65.54K | 1 | 3 | 1 | 0 |
| AS24101 | University of New England | 65.54K | 1 | 1 | 1 | 0 |
| AS38083 | Curtin University | 65.54K | 1 | 1 | 1 | 0 |
| AS45128 | Australian Nuclear Science and Technology Organisation, | 65.54K | 1 | 1 | 1 | 0 |
| AS45213 | University of Southern Queensland, | 65.54K | 1 | 1 | 1 | 0 |
| AS9348 | Victorian Cultural Network | 65.54K | 1 | 0 | 1 | 0 |
| AS23719 | University of Sydney | 65.54K | 1 | 0 | 1 | 0 |
| AS58686 | Swinburne University of Technology | 65.54K | 1 | 0 | 1 | 0 |
| AS132909 | ACT Government InTACT Group | 65.54K | 1 | 0 | 1 | 0 |
| AS141400 | COMCARE | 65.54K | 1 | 0 | 1 | 0 |
| AS38880 | Micron21 Datacentre Pty Ltd | 65.28K | 63 | 11 | 40 | 8 |
| AS63956 | 5G NETWORK OPERATIONS PTY LTD | 65.02K | 81 | 8 | 14 | 28 |
| AS38719 | Dreamscape Networks Limited | 64.00K | 65 | 12 | 23 | 0 |
| AS7604 | Zettagrid Pty Ltd | 58.88K | 77 | 4 | 7 | 8 |
| AS9880 | NextGen.Net Pty Ltd, North Sydney | 57.86K | 9 | 0 | 1 | 0 |
| AS18371 | Neighbourhood Cable | 56.32K | 25 | 8 | 3 | 0 |
| AS45763 | Opticomm Co Pty Ltd | 56.06K | 126 | 1 | 6 | 1 |
| AS9738 | Brennan IT | 54.53K | 113 | 1 | 1 | 4 |
| AS17562 | Datacom Systems (NSW) | 51.20K | 11 | 0 | 1 | 5 |
| AS45780 | Broadband Solutions Pty Ltd | 48.13K | 97 | 7 | 7 | 0 |
| AS7718 | TransACT Capital Communications Pty Limited | 46.08K | 11 | 2 | 1 | 0 |
| AS136994 | Southern Phone Company Ltd | 43.78K | 88 | 7 | 5 | 0 |
| AS9313 | Network Technology (AUST) P/L | 43.26K | 62 | 0 | 7 | 3 |
| AS134090 | Leaptel | 42.50K | 55 | 30 | 7 | 21 |
| AS4857 | TVP Operations Company | 41.22K | 26 | 0 | 8 | 1 |
Registration country comes from the regional registries' delegation files. A network registered here may announce space used anywhere.