124.19.88.0/21

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 2025-06-18
mnt-by:         MAINT-OPTUSCOM-AP
last-modified:  2025-11-18T00:26:33Z
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 2025-06-18
abuse-mailbox:  abuse@optusnet.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2025-06-18T01:06:45Z
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 124.19.88.0/21

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 4 domain names hosted across 4 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP

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

Pingable IPs

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

IP Address ASN Details
124.19.95.237 AS7474 SingTel Optus Pty Ltd 10.33ms from Sydney, AU
124.19.89.91 AS7474 SingTel Optus Pty Ltd 14.26ms from Sydney, AU
124.19.91.175 AS7474 SingTel Optus Pty Ltd 15.28ms from Sydney, AU
124.19.93.200 AS7474 SingTel Optus Pty Ltd 13.08ms from Sydney, AU
124.19.94.188 AS7474 SingTel Optus Pty Ltd 6.53ms from Sydney, AU
124.19.90.75 AS7474 SingTel Optus Pty Ltd 10.57ms from Sydney, AU
124.19.88.242 AS7474 SingTel Optus Pty Ltd 12.80ms from Sydney, AU
124.19.92.128 AS7474 SingTel Optus Pty Ltd 12.12ms 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
87.242.19.149 AS35311 PR-TELECOM ZRt. 3.19ms from Budapest, HU
186.130.158.213 AS22927 Telefonica de Argentina 2.17ms from Buenos Aires, AR
97.155.17.133 AS6167 Verizon Business 19.06ms from Dallas, US
51.182.222.117 AS5607 Sky UK Limited 1.63ms from Dublin, IE
91.58.57.181 AS3320 Deutsche Telekom AG 4.42ms from Duesseldorf, DE
94.186.252.5 AS48918 Globalways GmbH 0.49ms from Frankfurt am Main, DE
91.193.107.21 AS50812 Axess OnLine SARL 5.87ms from Geneve, CH
185.157.150.5 AS11042 NETWORK TRANSIT HOLDINGS LLC 0.90ms from Houston, US
195.53.242.37 AS3352 TELEFONICA DE ESPANA S.A.U. 2.04ms from Madrid, ES
83.158.230.21 AS29447 SCALEWAY S.A.S. 1.04ms from Milan, IT
106.161.24.181 AS2516 KDDI CORPORATION 1.17ms from Osaka, JP
196.12.163.21 AS11367 WorldNet Telecommunications, LLC 1.14ms from San Juan, PR
43.200.97.197 AS16509 Amazon.com, Inc. 0.33ms from Seoul, KR
61.76.45.85 AS4766 Korea Telecom 6.75ms from Seoul, KR
85.187.93.117 AS8866 Vivacom Bulgaria EAD 2.82ms from Sofia, BG
144.41.103.69 AS553 BelWue-Koordination 3.57ms from Zuerich, CH
91.120.84.37 AS5483 Magyar Telekom Plc. 5.95ms from Budapest, HU
84.130.221.117 AS3320 Deutsche Telekom AG 3.25ms from Duesseldorf, DE
119.146.217.5 AS4134 CHINANET-BACKBONE 9.58ms from Guangzhou, CN
116.107.51.53 AS7552 Viettel Group 3.24ms from Hanoi, VN
74.242.229.197 AS8075 Microsoft Corporation 0.28ms from Kloten, CH
13.33.101.165 AS16509 Amazon.com, Inc. 0.70ms from Los Angeles, US
45.117.0.85 AS58678 Intech Online Private Limited 0.83ms from Mumbai, IN
191.9.95.117 AS26599 TELEFÔNICA BRASIL S.A 2.00ms from Osasco, BR
78.44.140.245 AS16019 Vodafone Czech Republic a.s. 0.52ms from Prague, CZ

Traceroute

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

$
traceroute -a -n -q1 124.19.93.140
traceroute to 124.19.93.140 (124.19.93.140): 64 hops max, 52 byte packets
2 *
4 [AS7474] 61.88.7.209 3.36 ms
5 [AS7474] 124.19.93.140 23.831 ms
Measurement taken from IPinfo ProbeNet in Melbourne, AU
On

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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