124.19.76.0/22

AS7474 · SingTel Optus Pty Ltd

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Summary

Country	Australia
Domain	optus.net.au
ASN	AS7474
Parent Range	124.19.0.0/17
Registry	APNIC
ID	OPTUSCOM-AU

WHOIS Details

inetnum:        124.19.0.0 - 124.19.127.255
netname:        OPTUSCOM-AU
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:  2021-01-15T01:45:01Z
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:          124.19.0.0/17
origin:         AS7474
descr:          Singtel Optus Pty Ltd
mnt-by:         MAINT-OPTUSCOM-AP
last-modified:  2025-01-22T05:27:59Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 124.19.76.0/22

Range	ASN	Company	Num of IPs
124.19.0.0/17	AS7474	Optus Macquarie Park (OCS)	32,768

Nearby Ranges

BGP prefixes that overlap with 124.19.0.0/16

Range	ASN	Company	Num of IPs
124.19.0.0/17	AS7474	Optus Macquarie Park (OCS)	32,768

Hosted domains

There are 5 domain names hosted across 3 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
124.19.77.110	strictlyit.net.au	3
124.19.79.224	fingalvalleyfestival.com.au	1
124.19.77.190	alltron.net	1

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

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

IP Address	ASN	Details
124.19.77.150	AS7474 SingTel Optus Pty Ltd	`11.72ms` from Sydney, AU
124.19.79.198	AS7474 SingTel Optus Pty Ltd	`12.95ms` from Melbourne, AU
124.19.78.121	AS7474 SingTel Optus Pty Ltd	`9.39ms` from Sydney, AU
124.19.76.24	AS7474 SingTel Optus Pty Ltd	`14.32ms` 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
130.44.186.166	AS6079 RCN	`6.57ms` from Boston, US
186.130.224.246	AS22927 Telefonica de Argentina	`2.21ms` from Buenos Aires, AR
92.148.180.166	AS3215 Orange S.A.	`5.62ms` from Frankfurt am Main, DE
104.87.224.6	AS16625 Akamai Technologies, Inc.	`0.14ms` from Hamburg, DE
46.158.206.86	AS12389 PJSC Rostelecom	`16.70ms` from Moscow, RU
185.6.44.6	AS43048 MITIGATOR CLOUD LLC	`0.39ms` from Moscow, RU
60.149.123.134	AS17676 SoftBank Corp.	`3.58ms` from Osaka, JP
180.197.156.38	AS18126 Chubu Telecommunications Company, Inc.	`9.13ms` from Osaka, JP
88.175.178.70	AS12322 Free SAS	`2.73ms` from Paris, FR
156.229.140.166	AS54801 Zillion Network Inc.	`0.58ms` from San Jose, US
104.116.104.182	AS16625 Akamai Technologies, Inc.	`0.38ms` from Sydney, AU
46.28.244.38	AS15830 Equinix (EMEA) Acquisition Enterprises B.V.	`0.39ms` from Warsaw, PL
40.27.83.86	AS40676 Psychz Networks	`0.13ms` from Dallas, US
87.123.159.22	AS8881 1&1 Versatel GmbH	`8.26ms` from Frankfurt am Main, DE
104.7.235.70	AS7018 AT&T Enterprises, LLC	`2.12ms` from Houston, US
95.147.156.198	AS2856 British Telecommunications PLC	`2.54ms` from London, GB
115.207.14.70	AS4134 CHINANET-BACKBONE	`6.73ms` from Ningbo, CN
67.9.219.86	AS33363 Charter Communications, Inc	`4.61ms` from Orlando, US
199.181.240.6	AS35965 Electrical District No.3 of Pinal County	`5.34ms` from Phoenix, US
201.188.71.86	AS7418 TELEFÓNICA CHILE S.A.	`3.36ms` from Santiago, CL
177.87.119.118	AS262301 NETMIG TELECOM EIRELI	`8.88ms` from Sao Paulo, BR
61.41.204.70	AS3786 LG DACOM Corporation	`1.53ms` from Seoul, KR
211.194.245.166	AS4766 Korea Telecom	`5.43ms` from Seoul, KR
80.196.144.246	AS3292 TDC Holding A/S	`1.93ms` from Skanderborg, DK
87.247.251.6	AS62015 BIN BG Ltd.	`0.99ms` from Sofia, BG

Traceroute

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

traceroute -a -n -q1 124.19.77.3

traceroute to 124.19.77.3 (124.19.77.3): 64 hops max, 52 byte packets

1 [AS15169] 142.250.224.121 0.763 ms

2 *

3 [AS7474] 59.154.18.100 2.305 ms

4 [AS7474] 61.88.7.209 2.859 ms

5 [AS7474] 124.19.77.3 22.073 ms

Measurement taken from

IPinfo ProbeNet in Melbourne, AU

On March 29th 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.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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