1.44.160.0/23

AS7474 · SingTel Optus Pty Ltd

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Summary

Country	Australia
Domain	optus.com.au
ASN	AS7474
Parent Range	1.44.0.0/16
Registry	APNIC
ID	OPTUSCOM-AU

WHOIS Details

inetnum:        1.44.0.0 - 1.44.255.255
netname:        OPTUSCOM-AU
descr:          SingTel Optus Pty Ltd
descr:          Optus Macquarie Park (OCS)
descr:          Building A, Level 2
descr:          1 Lyonpark Road,
descr:          Macquarie Park
country:        AU
org:            ORG-SOPL2-AP
admin-c:        OA3-AP
tech-c:         OA3-AP
abuse-c:        AO399-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-OPTUSCOM-AP
mnt-routes:     MAINT-OPTUSCOM-AP
mnt-irt:        IRT-OPTUSCOM-AU
last-modified:  2021-01-15T01:44:59Z
source:         APNIC

irt:            IRT-OPTUSCOM-AU
address:        SingTel Optus Pty Ltd
address:        Optus Macquarie Park (OCS)
address:        1 Lyonpark Road
address:        Macquarie Park NSW 2113
e-mail:         abuse@optusnet.com.au
abuse-mailbox:  abuse@optusnet.com.au
admin-c:        OA3-AP
tech-c:         OA3-AP
auth:           # Filtered
remarks:        abuse@optusnet.com.au was validated on 2025-12-23
mnt-by:         MAINT-OPTUSCOM-AP
last-modified:  2026-02-16T00:08:15Z
source:         APNIC

organisation:   ORG-SOPL2-AP
org-name:       SingTel Optus Pty Ltd
org-type:       LIR
country:        AU
address:        Optus Macquarie Park (OCS)
address:        1 Lyonpark Road, Macquarie Park
phone:          +61-2-8082-7800
fax-no:         +61-2-8082-7100
e-mail:         irr-admin@optus.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2025-09-25T13:05:45Z
source:         APNIC

role:           ABUSE OPTUSCOMAU
country:        ZZ
address:        SingTel Optus Pty Ltd
address:        Optus Macquarie Park (OCS)
address:        1 Lyonpark Road
address:        Macquarie Park NSW 2113
phone:          +000000000
e-mail:         abuse@optusnet.com.au
admin-c:        OA3-AP
tech-c:         OA3-AP
nic-hdl:        AO399-AP
remarks:        Generated from irt object IRT-OPTUSCOM-AU
remarks:        abuse@optusnet.com.au was validated on 2025-12-23
abuse-mailbox:  abuse@optusnet.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2025-12-23T22:44:48Z
source:         APNIC

role:           OPTUS IP ADMINISTRATORS
address:        SingTel Optus Pty Ltd
address:        Optus Macquarie Park (OCS)
address:        1 Lyonpark Road
address:        Macquarie Park  NSW 2113
address:        AUSTRALIA
country:        AU
phone:          +61 2 8082 7800
fax-no:         +61 2 8082 7100
e-mail:         ipadmin@optus.net.au
remarks:        send spam/abuse reports to abuse@optus.net.au
remarks:        please use http://www.apnic.net/db/spam.html
remarks:        to identify networks before sending reports and
remarks:        always include full headers/logs.
admin-c:        NC8-AP
admin-c:        IA65-AP
tech-c:         NC8-AP
tech-c:         IA65-AP
tech-c:         OH23-AP
nic-hdl:        OA3-AP
notify:         hostmaster@optus.net.au
mnt-by:         MAINT-OPTUSCOM-AP
last-modified:  2011-12-06T00:10:13Z
source:         APNIC

route:          1.44.0.0/16
origin:         AS7474
descr:          Singtel Optus Pty Ltd
mnt-by:         MAINT-OPTUSCOM-AP
last-modified:  2025-01-22T05:24:39Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 1.44.160.0/23

Range	ASN	Company	Num of IPs
1.44.0.0/16	AS4804	SingTel Optus Pty Ltd	65,536
1.44.0.0/16	AS7474	SingTel Optus Pty Ltd	65,536

Nearby Ranges

BGP prefixes that overlap with 1.44.0.0/16

Range	ASN	Company	Num of IPs
1.44.0.0/16	AS4804	SingTel Optus Pty Ltd	65,536
1.44.0.0/16	AS7474	SingTel Optus Pty Ltd	65,536
1.44.96.0/24	AS16509	OPTUSCOM	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

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

IP Address	ASN	Details
1.44.161.95	AS7474 SingTel Optus Pty Ltd	`16.01ms` from Sydney, AU
1.44.160.30	AS7474 SingTel Optus Pty Ltd	`12.91ms` 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
175.0.74.39	AS4134 CHINANET BACKBONE	`2.32ms` from Changsha, CN
52.212.206.183	AS16509 Amazon.com, Inc.	`0.21ms` from Dublin, IE
3.126.10.39	AS16509 Amazon.com, Inc.	`0.16ms` from Frankfurt am Main, DE
80.150.16.7	AS3320 Deutsche Telekom AG	`1.33ms` from Frankfurt am Main, DE
20.33.18.167	AS8069 Microsoft Corporation	`0.20ms` from Kloten, CH
88.89.15.231	AS2119 Telenor Norge AS	`7.79ms` from Oslo, NO
89.168.37.39	AS31898 Oracle Corporation	`0.16ms` from Paris, FR
187.29.241.151	AS4230 CLARO S.A.	`0.88ms` from Sao Paulo, BR
139.196.170.183	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`1.57ms` from Shanghai, CN
113.229.229.7	AS4837 CHINA UNICOM China169 Backbone	`6.50ms` from Tieling, CN
93.179.194.87	AS31242 P4 Sp. z o.o.	`5.56ms` from Wrocław, PL
71.178.93.231	AS701 Verizon Business	`2.41ms` from Ashburn, US
87.161.10.135	AS3320 Deutsche Telekom AG	`4.45ms` from Duesseldorf, DE
110.15.58.135	AS9318 SK Broadband Co Ltd	`1.73ms` from Incheon, KR
173.208.163.199	AS32097 WholeSale Internet, Inc.	`0.17ms` from Kansas City, US
94.164.138.247	AS1267 WIND TRE S.P.A.	`15.75ms` from Milan, IT
134.129.80.215	AS19530 State of North Dakota, ITD	`7.43ms` from Minneapolis, US
124.98.134.167	AS4713 NTT DOCOMO BUSINESS,Inc.	`5.43ms` from Osaka, JP
162.197.47.167	AS7018 AT&T Enterprises, LLC	`3.30ms` from San Antonio, US
211.193.120.39	AS4766 Korea Telecom	`6.42ms` from Seoul, KR
59.157.144.23	AS10013 FreeBit Co.,Ltd.	`9.81ms` from Tokyo, JP
35.78.68.7	AS16509 Amazon.com, Inc.	`1.25ms` from Tokyo, JP
23.34.107.199	AS16625 Akamai Technologies, Inc.	`0.27ms` from Tokyo, JP
122.216.100.55	AS17506 ARTERIA Networks Corporation	`6.96ms` from Tokyo, JP
60.126.44.23	AS17676 SoftBank Corp.	`3.09ms` from Tokyo, JP

Traceroute

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

traceroute -a -n -q1 1.44.161.90

traceroute to 1.44.161.90 (1.44.161.90): 64 hops max, 52 byte packets

1 [AS141995] 154.26.153.11 199.901 ms

2 *

3 *

4 *

5 *

6 [AS7474] 59.154.142.24 1.046 ms

7 *

8 *

9 [AS7474] 1.44.161.90 73.877 ms

Measurement taken from

IPinfo ProbeNet in Sydney, AU

On April 24th 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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