61.88.124.0/23

AS7474 · SingTel Optus Pty Ltd

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Summary

Country	Australia
Domain	optus.net.au
ASN	AS7474
Registry	APNIC
ID	CROWNCASTLEINTERNATIONAL

WHOIS Details

inetnum:        61.88.125.56 - 61.88.125.63
netname:        CROWNCASTLEINTERNATIONAL
country:        AU
descr:          OPTUS Customer Network
descr:          Crown Castle International (Australia)
descr:          Level 1 , 754 Pacific Hwy
descr:          Chatswood  NSW  2067
remarks:        for spam/abuse complaints
remarks:        mail andrew.vlahos@crowncastle.com
admin-c:        OA3-AP
tech-c:         OA3-AP
status:         ASSIGNED NON-PORTABLE
notify:         hostmaster@optus.net.au
mnt-by:         MAINT-OPTUSCOM-AP
last-modified:  2008-09-04T06:58:43Z
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:          61.88.0.0/17
origin:         AS7474
descr:          SingTel Optus Pty Ltd Optus Macquarie Park (OCS) Building A, Level 2 1 Lyonpark Road, Macquarie Park
mnt-by:         MAINT-OPTUSCOM-AP
last-modified:  2021-09-17T07:02:55Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 61.88.0.0/16

No nearby ranges found.

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

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

IP Address	ASN	Details
61.88.125.70	AS7474 SingTel Optus Pty Ltd	`10.14ms` from Sydney, AU
61.88.124.54	AS7474 SingTel Optus Pty Ltd	`8.05ms` 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
117.254.151.39	AS9829 National Internet Backbone	`5.31ms` from Bengaluru, IN
217.18.53.23	AS132420 E2E NETWORKS	`2.25ms` from Delhi, IN
98.198.218.7	AS7922 Comcast Cable Communications, LLC	`7.79ms` from Houston, US
58.233.2.183	AS9318 SK Broadband Co Ltd	`1.84ms` from Incheon, KR
173.34.127.7	AS812 Rogers Communications Canada Inc.	`17.32ms` from Ottawa, CA
97.185.253.231	AS6167 Verizon Business	`14.29ms` from Portland, US
52.23.25.151	AS14618 Amazon.com, Inc.	`0.22ms` from Reston, US
94.99.166.247	AS25019 Saudi Telecom Company JSC	`2.04ms` from Riyadh, SA
220.91.225.215	AS4766 Korea Telecom	`1.68ms` from Seoul, KR
101.47.0.103	AS150436 Byteplus Pte. Ltd.	`0.40ms` from Singapore, SG
77.85.245.199	AS8866 Vivacom Bulgaria EAD	`5.14ms` from Sofia, BG
223.143.110.135	AS17421 Mobile Business Group	`6.63ms` from Taipei, TW
209.112.159.231	AS7782 Alaska Communications Systems Group, Inc.	`5.11ms` from Anchorage, US
87.64.144.151	AS5432 Proximus NV	`2.04ms` from Brussels, BE
107.208.99.167	AS7018 AT&T Enterprises, LLC	`2.53ms` from Dallas, US
54.76.73.23	AS16509 Amazon.com, Inc.	`0.29ms` from Dublin, IE
114.205.6.71	AS9318 SK Broadband Co Ltd	`4.05ms` from Incheon, KR
112.207.136.151	AS9299 Philippine Long Distance Telephone Company	`0.77ms` from Manila, PH
208.107.179.7	AS11232 Midcontinent Communications	`15.86ms` from Minneapolis, US
93.193.115.135	AS3320 Deutsche Telekom AG	`1.50ms` from Nuernberg, DE
68.196.169.103	AS6128 Cablevision Systems Corp.	`8.06ms` from Piscataway, US
186.207.238.55	AS28573 Claro NXT Telecomunicacoes Ltda	`18.98ms` from Porto Alegre, BR
3.93.244.151	AS14618 Amazon.com, Inc.	`0.22ms` from Reston, US
14.65.110.87	AS4766 Korea Telecom	`1.88ms` from Seoul, KR
112.161.76.167	AS4766 Korea Telecom	`1.95ms` from Seoul, KR

Traceroute

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

traceroute -a -n -q1 61.88.124.101

traceroute to 61.88.124.101 (61.88.124.101): 64 hops max, 52 byte packets

1 [AS15169] 142.250.224.121 0.832 ms

2 *

3 [AS7474] 59.154.18.96 2.949 ms

4 [AS7474] 61.88.7.233 2.983 ms

5 *

6 [AS7474] 61.88.124.101 24.713 ms

Measurement taken from

IPinfo ProbeNet in Melbourne, AU

On April 13th 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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