139.5.173.0/24

AS56307 · ac3, Australian Centre for Advanced Computing and Communications

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Summary

Country	Australia
Domain	ac3.com.au
ASN	AS56307
Registry	APNIC
ID	AC3-MEMBER-AU

WHOIS Details

inetnum:        139.5.172.0 - 139.5.175.255
netname:        AC3-MEMBER-AU
descr:          AUSTRALIAN CENTRE FOR ADVANCED COMPUTING
descr:          AND COMMUNICATION PTY LTD
descr:          Level 8 East
descr:          8 Central Avenue
descr:          Eveleigh NSW 2015
country:        AU
org:            ORG-ACFA1-AP
admin-c:        ACFA1-AP
tech-c:         ACFA1-AP
abuse-c:        AA1457-AP
status:         ALLOCATED PORTABLE
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-AC3-MEMBER-AU
mnt-routes:     MAINT-AC3-MEMBER-AU
mnt-irt:        IRT-AC3-MEMBER-AU
last-modified:  2020-05-19T13:14:15Z
source:         APNIC

irt:            IRT-AC3-MEMBER-AU
address:        Level 7, 477 Pitt Street, Haymarket, New South Wales 2000
e-mail:         abuse@ac3.com.au
abuse-mailbox:  abuse@ac3.com.au
admin-c:        ACFA1-AP
tech-c:         MO273-AP
auth:           # Filtered
remarks:        abuse@ac3.com.au was validated on 2026-01-13
mnt-by:         MAINT-AC3-MEMBER-AU
last-modified:  2026-01-13T22:27:00Z
source:         APNIC

organisation:   ORG-ACFA1-AP
org-name:       AUSTRALIAN CENTRE FOR ADVANCED COMPUTING AND COMMUNICATION PTY LTD
org-type:       LIR
country:        AU
address:        Level 7,
address:        477 Pitt Street,
phone:          +61-2-91990888
fax-no:         +61-2-91990808
e-mail:         info@ac3.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:20Z
source:         APNIC

role:           ABUSE AC3MEMBERAU
country:        ZZ
address:        Level 7, 477 Pitt Street, Haymarket, New South Wales 2000
phone:          +000000000
e-mail:         abuse@ac3.com.au
admin-c:        ACFA1-AP
tech-c:         MO273-AP
nic-hdl:        AA1457-AP
remarks:        Generated from irt object IRT-AC3-MEMBER-AU
remarks:        abuse@ac3.com.au was validated on 2026-01-13
abuse-mailbox:  abuse@ac3.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-13T22:27:18Z
source:         APNIC

role:           Australian Centre for Advanced Computing and Commu
address:        Level 7, 477 Pitt Street, Haymarket, New South Wales 2000
country:        AU
phone:          +61-2-91990888
fax-no:         +61-2-91990808
e-mail:         abuse@ac3.com.au
admin-c:        ACFA1-AP
tech-c:         ACFA1-AP
nic-hdl:        ACFA1-AP
mnt-by:         MAINT-AC3-MEMBER-AU
last-modified:  2020-11-16T03:45:51Z
source:         APNIC

route:          139.5.172.0/22
origin:         AS17732
descr:          AUSTRALIAN CENTRE FOR ADVANCED COMPUTING AND COMMUNICATION PTY LTD Level 7, 477 Pitt Street,
mnt-by:         MAINT-AC3-MEMBER-AU
last-modified:  2022-08-30T02:10:58Z
source:         APNIC

route:          139.5.172.0/22
origin:         AS56307
descr:          AUSTRALIAN CENTRE FOR ADVANCED COMPUTING AND COMMUNICATION PTY LTD Level 7, 477 Pitt Street,
mnt-by:         MAINT-AC3-MEMBER-AU
last-modified:  2021-07-20T22:26:47Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 139.5.0.0/16

Range	ASN	Company	Num of IPs
139.5.152.0/22	AS131699	PT Max Internet Indonesia	1,024
139.5.60.0/22	AS134764	Guangdong LITONG Network Technology Limited	1,024
139.5.40.0/22	AS135448	PT Bukalapak.com	1,024
139.5.232.0/22	AS137409	PRIYANKA SOLUTION AND SERVICES	1,024
139.5.132.0/22	AS137551	ZTNET CO., LTD	1,024
139.5.12.0/22	AS142516	RailTel Corporation is an Internet Service Provider.	1,024
139.5.136.0/22	AS17456	Pacific Data Systems	1,024
139.5.68.0/22	AS17501	WorldLink Communications	1,024
139.5.72.0/22	AS17501	WorldLink Communications	1,024
139.5.0.0/22	AS24186	RailTel Corporation is an Internet Service Provider.	1,024
139.5.12.0/22	AS24186	RailTel Corporation is an Internet Service Provider.	1,024
139.5.4.0/22	AS24186	RailTel Corporation is an Internet Service Provider.	1,024
139.5.8.0/22	AS24186	RailTel Corporation is an Internet Service Provider.	1,024
139.5.180.0/22	AS26658	Room 1801,Floor 18, Johnston Plaza, No.178,Johnston Rd, WH	1,024
139.5.84.0/22	AS27381	Index Exchange Inc.	1,024
139.5.148.0/22	AS38320	PT Gudang Data Indonesia	1,024
139.5.152.0/22	AS38320	PT Max Internet Indonesia	1,024
139.5.52.0/22	AS45152	Zone Networks Pty Ltd	1,024
139.5.228.0/22	AS45775	WORLDVIEW TELECOM	1,024
139.5.168.0/22	AS4686	Progress LLC.	1,024
139.5.164.0/22	AS64095	Blue Reach Services Limited	1,024
139.5.76.0/22	AS7545	TPG Internet Pty Ltd	1,024
139.5.124.0/22	AS9268	Over the Wire Pty Ltd	1,024
139.5.188.0/22	AS132420	E2E Networks Private Limited	1,024
139.5.36.0/22	AS132768	BEYOND BROADBAND PRIVATE LIMITED	1,024
139.5.144.0/24	AS132300	NIPA TECHNOLOGY CO., LTD.	256
139.5.145.0/24	AS132300	NIPA TECHNOLOGY CO., LTD.	256
139.5.178.0/24	AS40605	ANYCONNECT INFORMATION TECHNOLOGY CO., LTD	256
139.5.179.0/24	AS40605	ANYCONNECT INFORMATION TECHNOLOGY CO., LTD	256
139.5.76.0/24	AS7545	TPG Telecoms	256
139.5.156.0/24	AS24337	SKYTEL ISP LAO	256
139.5.88.0/24	AS136787	Packethub	256
139.5.89.0/24	AS136787	Packethub	256
139.5.90.0/24	AS136787	Packethub	256
139.5.91.0/24	AS136787	Packethub	256
139.5.157.0/24	AS24337	SKYTEL ISP LAO	256
139.5.158.0/24	AS24337	SKYTEL ISP LAO	256
139.5.64.0/24	AS139501	National Crime Records Bureau	256
139.5.159.0/24	AS24337	SKYTEL ISP LAO	256
139.5.200.0/24	AS45753	Netsec	256
139.5.201.0/24	AS45753	Netsec	256
139.5.68.0/24	AS17501	Static Allocation for FNA Systems	256
139.5.69.0/24	AS17501	Static Allocation for GGC Systems	256
139.5.70.0/24	AS17501	Static Allocation for GGC Systems	256
139.5.71.0/24	AS17501	Fiber Pool	256
139.5.202.0/24	AS45753	Netsec	256
139.5.203.0/24	AS45753	Netsec	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

Read more

Pingable IPs

21 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
139.5.173.17	AS56307 ac3, Australian Centre for Advanced Computing and Communications	`0.82ms` from Sydney, AU

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
49.231.88.88	AS45458 SBN-ISP/AWN-ISP and SBN-NIX/AWN-NIX	`1.04ms` from Bangkok, TH
80.95.85.56	AS20845 DIGI Tavkozlesi es Szolgaltato Kft.	`0.92ms` from Budapest, HU
214.4.150.248	AS721 United States Department of Defense (DoD)	`11.15ms` from Chicago, US
172.212.235.72	AS8075 Microsoft Corporation	`0.16ms` from Des Moines, US
177.37.167.200	AS28126 BRISANET SERVICOS DE TELECOMUNICACOES S.A	`0.41ms` from Fortaleza, BR
94.30.41.136	AS5413 Wavenet Limited	`4.73ms` from London, GB
185.194.62.200	AS200845 AVATEL TELECOM, SA	`14.66ms` from Madrid, ES
151.49.16.40	AS1267 WIND TRE S.P.A.	`6.57ms` from Milan, IT
75.168.210.8	AS209 CenturyLink Communications, LLC	`2.39ms` from Minneapolis, US
135.131.22.8	AS4181 TDS TELECOM	`2.28ms` from Minneapolis, US
191.121.222.72	AS26615 TIM S/A	`18.68ms` from Osasco, BR
187.33.206.200	AS53086 OAI LTDA	`6.99ms` from Osasco, BR
88.93.254.136	AS2119 Telenor Norge AS	`10.91ms` from Oslo, NO
52.47.76.136	AS16509 Amazon.com, Inc.	`0.13ms` from Paris, FR
188.8.55.40	AS3269 Telecom Italia S.p.A.	`2.52ms` from Rome, IT
213.32.81.120	AS16276 OVH SAS	`0.07ms` from Roubaix, FR
187.10.1.8	AS27699 TELEFÔNICA BRASIL S.A	`12.96ms` from Sao Paulo, BR
42.85.83.136	AS4837 CHINA UNICOM China169 Backbone	`8.95ms` from Tieling, CN
153.162.94.72	AS4713 NTT DOCOMO BUSINESS,Inc.	`2.91ms` from Tokyo, JP
24.148.87.232	AS6079 RCN	`3.52ms` from Chicago, US
72.107.12.40	AS6167 Verizon Business	`15.83ms` from Chicago, US
85.54.10.152	AS12479 Orange Espagne SA	`7.70ms` from Madrid, ES
91.218.84.8	AS51341 Gigakom Sistems OOO	`1.57ms` from Moscow, RU
2.60.150.24	AS12389 PJSC Rostelecom	`8.74ms` from Novosibirsk, RU
185.99.203.24	AS34727 IPEFIX SARL	`0.23ms` from Paris, FR

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -f5 139.5.173.217

traceroute to 139.5.173.217 (139.5.173.217): 64 hops max, 52 byte packets

5 [] 103.26.68.108 1.034 ms

6 *

7 [AS56307] 139.5.173.217 2.103 ms

Measurement taken from

IPinfo ProbeNet in Sydney, AU

On January 19th 2026

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

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