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ASNs in Australia

Autonomous systems registered in Australia (AU)

All countries

Registered ASNs

3,004

Announcing routes

1,689

1,315 without routes

IPv4 addresses announced

40.6M

40,635,184 in total

Autonomous systems in Australia

Ranks 1–200 of 3,004. Ordered by announced IPv4 address space, then IPv6 prefixes; AS numbers that announce no routes follow in numerical order. IPv4 addresses are those of the AS's own prefixes, overlaps counted once.

#	AS	Name	IPv4 prefixes	IPv4 addresses	IPv6 prefixes
1	AS1221	Telstra LimitedASN-TELSTRA	278	13.4M	2
2	AS4804	Microplex PTY LTDMPX-AS	281	5.3M	111
3	AS7545	TPG Telecom LimitedTPG-INTERNET-AP	4,647	3.4M	415
4	AS4739	Internode Pty LtdINTERNODE-AS	397	1.8M	7
5	AS9443	Vocus RetailVOCUS-RETAIL-AU	47	1.2M	3
6	AS7575	Australian Academic and Research Network (AARNet)AARNET-AS-AP	168	1.2M	9
7	AS2764	AAPT LimitedAAPT	1,447	1.1M	88
8	AS133612	Vodafone Australia Pty LtdVODAFONE-AS-AP	208	1.1M	776
9	AS6262	Commonwealth Scientific and IndustrialCSIRO	63	547,840	17
10	AS7474	SingTel Optus Pty LtdOPTUSCOM-AS01-AU	158	532,224	5
11	AS135887	Belong (Telstra Limited)TELSTRA-BELONG-AP	465	458,752	6
12	AS4764	Aussie BroadbandWIDEBAND-AS-AP	384	393,216	19
13	AS4826	Vocus Connect International BackboneVOCUS-BACKBONE-AS	161	333,568	7
14	AS56132	Monash University,MONASHUNI-AU-AS-AP	13	236,288	8
15	AS9650	QLD Government Business (IT)CITEC-AU-AP	65	227,072	1
16	AS38195	SuperloopSUPERLOOP-AS-AP	148	203,520	5
17	AS9328	DATACOM SYSTEMS (AU) PTY LTDDATACOM-AU	48	198,656	3
18	AS23859	University of New South WalesUNSW-AS-AP	4	196,864	0
19	AS38809	Vocus Advanced ServicesVOCUS-VAS-AU	70	184,832	8
20	AS38333	Symbio NetworksSYMBIO-AS-AU-AP	143	169,984	0
21	AS10143	Exetel Pty LtdEXETEL-AS-AP	78	168,192	12
22	AS140637	Macquarie Technology Operations Pty LimitedMTG-MG	50	147,456	3
23	AS137409	GSL Networks Pty LTDGSLNETWORKS-AS-AP	562	143,104	1,065
24	AS10235	National Australia Bank LimitedNAB-AS-AP	65	139,776	0
25	AS9555	Verizon Australia PTY LimitedVzB-AU-AS	30	137,728	5
26	AS1851	Adelaide UniversityADELAIDE-UNIVERSITY-AS-AP	9	135,168	1
27	AS37978	Networking TasmaniaNETTAS-AS-AP	14	134,656	0
28	AS9342	Australian Broadcasting CorporationABC-AS-AP	8	131,584	0
29	AS7645	Deakin UniversityDEAKINUNIVERSITY-AS-AP	2	131,072	1
30	AS132321	NORTHERN TERRITORY OF AUSTRALIANTOA-ICT-AU	4	131,072	0
31	AS135348	QANTAS Airways LimitedQANTASAIRLTD-AS-AP	10	131,072	0
32	AS141468	Department of the Prime Minister and CabinetPMC-AS-AP	14	131,072	0
33	AS17766	Nexon Asia Pacific Pty LtdNEXON-AS-AP	76	129,792	7
34	AS17477	Macquarie Technology Operations Pty LimitedMCT-SYDNEY	112	110,592	8
35	AS24436	University of QueenslandUQ-AS-AP	23	110,592	1
36	AS24033	Australian Private Networks Pty LtdACTIV8ME-AS-AP	35	110,592	0
37	AS45671	Wholesale Services ProviderAS45671-NET-AU	177	104,960	22
38	AS55803	Hostopia Australia Web Pty LtdHOSTOPIA-AU	37	101,120	3
39	AS139344	ACT Government InTACT GroupACTGOV-EDU-AS-AP	7	97,536	0
40	AS136518	WA Government projectWA-GOVERNMENT-AS-AP	60	84,224	0
41	AS9723	iseek Communications Pty LtdISEEK-AS-AP	156	81,152	3
42	AS10148	The University of Melbourne, Melbourne, VictoriaUNIMELB-AS-AP	15	78,336	0
43	AS9893	CenitexDSE-VIC-GOV-AS	24	77,056	0
44	AS9509	Department of Employment and Workplace RelationsDEWR-AS-AP	4	74,240	2
45	AS132029	Telstra LimitedASN-TELSTRA-02	14	73,984	1
46	AS17983	Coles Supermarkets Australia Pty LtdCOLES-AU-AS-AP	21	73,728	0
47	AS134111	Commonwealth Scientific and Industrial Research OrganisationCSIRO-PAWSEY-AS-AP	6	69,888	0
48	AS136572	Office of The Chief Information Officer (OCIO)TOOTCIO-AS-AP	22	68,352	0
49	AS136247	Victoria UniversityVICUNI-AS-AP	4	67,840	0
50	AS58698	UOW-AU	7	67,072	1
51	AS24437	University of Western AustraliaUWA-AS-AP	6	66,816	0
52	AS24014	Bond University LimitedBONDUNI-AS-AP	4	66,304	0
53	AS7573	The University of TasmaniaUTAS	6	66,048	0
54	AS24433	Central Queensland UniversityCQU-AS-AP	3	66,048	0
55	AS58611	Charles Darwin UniversityCDU-AS-AP	3	66,048	0
56	AS17756	Australia PostAUSPOST	24	65,792	0
57	AS135893	La Trobe UniversityLATROBEUNIVERSITY-AS-AP	2	65,792	0
58	AS58877	Charles Sturt UniversityCSUNIC1-AS-AP	1	65,536	3
59	AS38474	Department of Climate Change Energy the Environment and WaterDOCCETEAW-AS-AP	4	65,536	2
60	AS24101	University of New EnglandUNE-AS-AP	1	65,536	1
61	AS38083	Curtin UniversityCURTIN-UNI-AS-AP	1	65,536	1
62	AS38327	Woodside Energy LtdWOODSIDEENERGY-AU-AS	2	65,536	1
63	AS45128	Australian Nuclear Science and Technology Organisation,ANSTO-AS-AP	1	65,536	1
64	AS45213	University of Southern Queensland,USQNET-AS-AP	1	65,536	1
65	AS7486	News Digital Media Pty LimitedNDMPL-AS-AP	6	65,536	0
66	AS9348	Victorian Cultural NetworkSLVTSD-CBN-AP	1	65,536	0
67	AS9983	Australian Bureau of Statistics.ABS-AS-AP	4	65,536	0
68	AS10079	University of Western SydneyUNIWESTSYD-AS-AP	1	65,536	0
69	AS17750	ENERGEX LIMITEDASN-ENERGEX-AP	5	65,536	0
70	AS18191	OPTUS CUSTOMER NETWORKAIRSERVICESAUS-AP	5	65,536	0
71	AS23719	University of SydneyUSYD-AS-AP	1	65,536	0
72	AS24313	NSW Department of EducationNSW-DET-AS	82	65,536	0
73	AS24434	James Cook UniversityJCU-AS-AP	1	65,536	0
74	AS56131	DXC Connect Pty LimitedDXCCONNECT-AS-AP	5	65,536	0
75	AS58686	Swinburne University of TechnologySUT-AS-AP	1	65,536	0
76	AS131074	APNIC Research and Development	4	65,536	0
77	AS132909	ACT Government InTACT GroupACTGOV-AS-AP	1	65,536	0
78	AS141400	COMCARECOMCARE-AS-AP	1	65,536	0
79	AS150301	WATER CORPORATIONWATERCORP-NON-AS-AP	2	65,536	0
80	AS38719	Dreamscape Networks LimitedDREAMSCAPE-AS-AP	65	62,976	12
81	AS9880	NextGen.Net Pty Ltd, North SydneyNEXTGENNET-AS1-AU-AP	9	57,856	0
82	AS18371	Neighbourhood CableNCABLE-AP	25	56,320	8
83	AS18390	Spintel Pty LtdSPINTEL-AS-AP	210	51,456	19
84	AS17562	Datacom Systems (NSW)DATACOM-SYSTEMS	11	50,176	0
85	AS58507	WirelineWL-AS-AP	81	48,896	67
86	AS63956	5G NETWORK OPERATIONS PTY LTDINT-5GN-AS-AP	81	47,104	8
87	AS7604	Zettagrid Pty LtdZETTAGRID-AS-AP	76	43,776	4
88	AS9313	Network Technology (AUST) P/LONTHENET-AS	62	41,728	0
89	AS45763	Opticomm Co Pty LtdOPTICOMMCOPTYLTD-AS-AP	126	37,120	1
90	AS4857	TVP Operations CompanyTVP-OPERATIONS-COMPANY-AP	27	36,864	0
91	AS38880	Micron21 Datacentre Pty LtdM21-AS-AP	63	35,840	12
92	AS7477	SkyMesh Pty LtdSKYMESHPTYLTD-AS-AP	88	35,328	11
93	AS45867	Commonwealth Bank of AustraliaCBA-NON-AS-AP	19	34,304	0
94	AS17551	Anycast Global BackboneANYCAST-AS-AP	39	31,744	3
95	AS9627	TCR Holdings LtdTCR-AP	70	30,976	0
96	AS9738	Brennan ITBRENNANIT-AS9738-AP	113	30,720	1
97	AS7600	Escape.netESCAPE-NET-AS	31	29,952	1
98	AS9652	ECN InternetECN-AS-AP	148	28,672	11
99	AS45780	Broadband Solutions Pty LtdBROADBANDSOLUTIONS-AS-AP	97	26,624	7
100	AS9336	XYZ Telecom Pty LtdXYZTELECOM-AS-AP	16	26,368	0
101	AS199959	CrownCloud GWY IT PTY LTD	68	26,112	13
102	AS24446	5G NETWORK OPERATIONS PTY LTDINT-5GN-AS-AP	16	23,808	1
103	AS38835	Buroserv Australia Pty LtdVIAIP-AS-AP	161	23,552	0
104	AS136994	Southern Phone Company LtdSOUTHERNPHONE-AS-AP	83	23,296	7
105	AS134143	Kinetix NetworksPDKPL-AS-AP	55	22,528	15
106	AS58511	Anycast Global BackboneANYCAST-GLOBAL-BACKBONE	10	22,528	2
107	AS9224	Swoop Telecommunications Pty LtdSWOOP-AS-AP	4	22,528	0
108	AS133159	Mammoth Media Pty LtdMAMMOTHMEDIA-AS-AP	40	22,272	22
109	AS18055	Department of Human ServicesCENTRELINK	22	21,504	2
110	AS38172	IPSTAR Australia Pty Ltd.IPSTAR-AS-AU	31	21,504	0
111	AS136557	Host Universal Pty LtdHOST-AS-AP	82	21,248	50
112	AS134090	LeaptelLEAP-AS-AP	55	20,992	30
113	AS45577	Intervolve Pty LtdINTERVOLVE-MELBOURNE-AS-AP	69	20,224	4
114	AS136000	Lightning Broadband Pty LtdLIGHTNING-AS-AP	33	20,224	2
115	AS45768	CEnetCENET-AS-AU-AP	11	19,968	0
116	AS9426	Westpac BankWESTPAC-AS-AP	48	19,456	0
117	AS8888	XTOM xTom Pty Ltd	73	18,688	44
118	AS17978	SERVCORP AUSTRALIAN HOLDINGS LTDSERVCORP	73	18,688	0
119	AS38220	Amaze IntelligenceAMAZE-AS-AP	39	18,432	8
120	AS45589	AUSGRIDENERGYAUST-AS	8	18,432	0
121	AS4851	Host NetworksHOSTNETWORKS-AS-AU-AP	13	18,176	3
122	AS24516	Virtutel Pty LtdVIRTUTEL-AS-AP	29	18,176	1
123	AS8100	Splice Internet Pty LtdSPLICE-AS-AP	4	16,896	1
124	AS38495	Transpower New Zealand Ltd.TRANSPOWER-B-AS-AP	8	16,640	0
125	AS17906	PricewaterhouseCoopersPWC-AP	12	16,384	0
126	AS45929	NextHop Pty LtdNEXTHOP-AS-AP	23	16,384	0
127	AS147049	PacketHub S.A.PACKETHUBSA-AS-AP	62	15,872	61
128	AS9942	SOUL Converged Communications AustraliaCOMINDICO-AP	45	15,104	1
129	AS132825	MYTEK TRADING PTY LTDMYTEK-AS-AP	57	14,848	8
130	AS38611	Bendigo Community TelcoBENDIGOTELCO-AS-AP	24	14,848	0
131	AS9714	Vocus Cloud Services AustraliaVOCUS-CLOUD-SERVICES-AS	10	14,592	7
132	AS23871	Australia Internet SolutionsAINS-AS-AP	56	14,080	2
133	AS55766	Orro Pty LtdORROPTYLTD-AS-AP	41	14,080	2
134	AS137549	Anycast Holdings Pty LtdANYCASTHOLDINGS-AS-AP	30	13,312	1
135	AS9648	ASN-OZONLINE-AU # AS-OZONLINE-AU converted to ASN-OZONLINE-AU for RPSL compliance - Australia On-Line Pty Ltd	58	13,312	0
136	AS17559	Spectrums Core NetworkSPECTUM-NON-AP	37	13,056	1
137	AS17918	ac3, Australian Centre for Advanced Computing and CommunicationsAC3-AS-AP	4	12,800	2
138	AS59383	Office of Finance and Services T/A Department of Finance and Services (NSW)DOFASN-AS-AP	8	12,544	0
139	AS134697	LauntelLAUNTEL-AS-AP	73	12,288	14
140	AS45638	SYNERGY WHOLESALE PTY LTDSYNERGYWHOLESALE-AP	47	12,288	13
141	AS38280	Monash University Sunway Campus MalaysiaMONASHUNI-MY-AS-AP	50	12,288	1
142	AS45838	Anticlockwise Pty LtdANTICLOCKWISE-AS-AP	16	11,776	1
143	AS7594	On QONQ-AS-AP	6	11,008	2
144	AS134589	BHP, 125 St. Georges Terrace, Perth, AustraliaBHP-NET	8	11,008	0
145	AS10214	Pentanet LimitedPENTANET-AS-AP	49	10,752	7
146	AS134096	eHealth NSWEHEALTHNSW-AS-AP	31	10,752	0
147	AS135060	Telair Pty LtdTELAIRPTYLTD-AS-AP	41	10,240	3
148	AS38456	SPEEDCAST AUSTRALIA PTY LIMITEDSPEEDCAST-AU	40	10,240	0
149	AS55707	SimtronicSIMTRONIC-AS-AP	31	10,240	0
150	AS18117	NTT Australia Solutions Pty LtdNTTIP-AS-AP	12	9,984	0
151	AS7637	State Library Of VictoriaSLVTSD-AS-AP	6	9,728	0
152	AS151660	Neptune InternetNEPTUNEINTERNET-AS-AP	20	9,472	10
153	AS9297	Colocity Pty LtdCOLOCITY-AS-AP	3	9,472	1
154	AS63850	QRHUB PTY LTD T/A Entrust ICTENTRUSTICT-AS-AP	33	9,472	0
155	AS64098	TASMANETSYNTELPTYLTD-AU	20	9,216	4
156	AS133480	5G NETWORK OPERATIONS PTY LTDINT-5GN-AS-AP	35	8,960	10
157	AS18291	VODAFONE AUSTRALIA PTY LIMITED Public Autonomous System NumberVFAU-NET-AS	17	8,704	8
158	AS45437	Real World - The CoreRWTS-AS-AP	19	8,704	2
159	AS134743	Anycast Holdings Pty LtdANYCASTHOLDINGS-AS-AP	47	8,704	1
160	AS38583	Andrew Sjoquist Enterprises Pty LtdASEIT-AS-AP	24	8,704	0
161	AS134984	NextGen.Net Pty LtdNEXTGEN-AS-AP	3	8,704	0
162	AS4802	iiNet LimitedASN-IINET	24	8,448	5
163	AS136988	LEASEWEB AUSTRALIA PTY LIMITEDLEASEWEB-AS-AP	23	8,448	3
164	AS37998	St Vincents & Mater Health SydneySVMHS-TRANSIT-AS-AP	4	8,448	0
165	AS45442	Department of Parliamentary Services,DPS-MEM-AS-AP	3	8,448	0
166	AS133414	Foxtel Management Pty LtdFOXTEL-AS-AP	8	8,448	0
167	AS138180	Ernst & Young Services Pty LtdERNSTYOUNG-AS-AP	3	8,448	0
168	AS58713	FIBERVISION-NET-AU	15	8,192	2
169	AS9667	5G NETWORK OPERATIONS PTY LTDHOSTWORKS-AS-AP	7	8,192	0
170	AS18431	Department of Foreign Affairs and TradeDFAT-AS-AP	5	8,192	0
171	AS23669	United IP - Transit AS - Broadband Provider,UIP-SYD1-AS-AP	1	8,192	0
172	AS23922	BOX HILL INSTITUTEBHI-AU	10	8,192	0
173	AS55491	Pearcedale ParadeKANGAN-AU	1	8,192	0
174	AS133885	TransgridTRANSGRID-AU	6	8,192	0
175	AS134189	Alpha Dot Net Australia Pty LtdALPHANETAU-AS-AP	9	8,192	0
176	AS10105	OMNIconnect Pty LtdOMNI	14	7,936	1
177	AS133120	Hosted Network Pty LtdHOSTED-AS-AP	32	7,936	1
178	AS134555	Encoo Pty LtdENCOO-AS-AP	17	7,936	1
179	AS139049	GIGACOMM PTY LTDGIGACOMM-AS-AP	14	7,680	3
180	AS58580	Fastrack TechnologyFastrack	30	7,680	2
181	AS9268	Over The Wire Pty LtdOVERTHEWIRE-AS-AP	23	7,680	1
182	AS56307	ac3, Australian Centre for Advanced Computing and CommunicationsAC3-AS-AP	20	7,680	1
183	AS133736	TASMANETSYNTELPTYLTD-AU	17	7,680	0
184	AS24541	HostAway Pty LtdHOSTAWAYPTYLTD-AS-AP	8	7,424	1
185	AS134141	B2B Wholesale Pty LtdB2BWHOLESALE-AS-AP	8	7,424	1
186	AS38883	FireNet Pty LtdFIRENET-AS-AP	27	7,168	6
187	AS55542	Roads and Maritime ServicesRMSNET-AS-AP	38	7,168	0
188	AS132405	Summit Internet (Australia)SUMMITINTERNET-AS-AP	35	7,168	0
189	AS38084	Ethan GroupETHAN-AU-AP	11	6,912	2
190	AS24012	Refinitiv Australia PTY LimitedRAPL-AS-AP	23	6,912	0
191	AS132789	Pivotel Group Pty LimitedPIVOTEL-AS-AP	25	6,400	3
192	AS56038	RackCorpRACKCORP-AP	26	6,400	2
193	AS55819	CAMPAIGN MONITOR PTY LTDCAMPAIGNMONITOR-AS-GLOBAL	16	6,400	1
194	AS59346	Australian IT Solutions GroupAIS-AS-AP	19	6,400	1
195	AS142594	SpeedyPage LtdSPEEDYPAGELTD-AS-AP	24	6,144	14
196	AS9519	Vertical Telecoms Pty LtdVERTELNET	12	6,144	1
197	AS4749	WiseTechGlobal Pty LtdWISETECHGLOBAL-AU-SYD	30	6,144	0
198	AS38858	SomervilleSOMERVILLE-AS-AU-AP	10	6,144	0
199	AS55884	OrionVM Cloud PlatformORIONVM-AU	24	6,144	0
200	AS10207	Intervolve Pty LtdINTERVOLVE-ADELAIDE-AS-AP	20	5,888	2

AS names and routing data: RIPE NCC (asn.txt, RIS). A prefix counts when at least 10 RIS peers see it. Data as of Oct 21, 2026. Countries are those of the AS registrations.