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
61.88.124.54	AS7474 SingTel Optus Pty Ltd	`8.05ms` from Sydney, AU
61.88.125.70	AS7474 SingTel Optus Pty Ltd	`10.14ms` 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
63.131.192.135	AS26133 Frankfort Plant Board	`15.29ms` from Chicago, US
174.97.25.135	AS10796 Charter Communications Inc	`8.61ms` from Columbus, US
31.127.87.71	AS2856 British Telecommunications PLC	`4.25ms` from Erith, GB
121.127.89.119	AS9756 SK Broadband Co Ltd	`2.53ms` from Incheon, KR
81.163.125.247	AS42530 TOV "Telecommunication company "Plazma"	`8.91ms` from Kharkiv, UA
86.129.17.39	AS2856 British Telecommunications PLC	`8.92ms` from London, GB
51.190.192.103	AS5607 Sky UK Limited	`5.80ms` from London, GB
37.134.79.71	AS12479 Orange Espagne SA	`11.34ms` from Madrid, ES
173.34.127.7	AS812 Rogers Communications Canada Inc.	`17.32ms` from Ottawa, CA
118.215.185.23	AS16625 Akamai Technologies, Inc.	`0.12ms` from Tokyo, JP
153.164.67.7	AS4713 NTT DOCOMO BUSINESS,Inc.	`2.79ms` from Tokyo, JP
44.226.119.7	AS16509 Amazon.com, Inc.	`0.15ms` from Boardman, US
172.108.195.151	AS5650 Frontier Communications of America, Inc.	`0.40ms` from Dallas, US
14.225.48.199	AS135905 VIETNAM POSTS AND TELECOMMUNICATIONS GROUP	`0.63ms` from Hanoi, VN
14.171.239.247	AS45899 VNPT Corp	`2.34ms` from Hanoi, VN
58.243.177.23	AS4837 CHINA UNICOM China169 Backbone	`5.80ms` from Huainan, CN
112.30.57.247	AS9808 China Mobile Communications Group Co., Ltd.	`2.18ms` from Huainan, CN
61.162.8.55	AS4837 CHINA UNICOM China169 Backbone	`1.83ms` from Jinan, CN
94.236.55.231	AS15395 Rackspace Ltd.	`1.86ms` from London, GB
151.32.126.87	AS1267 WIND TRE S.P.A.	`3.39ms` from Milan, IT
151.81.160.119	AS1267 WIND TRE S.P.A.	`10.43ms` from Rome, IT
175.183.51.167	AS18049 Taiwan Infrastructure Network Technologie	`14.91ms` from Taipei, TW
74.116.89.167	AS17054 Expedient	`5.10ms` from Cleveland, US
172.223.91.135	AS20115 Charter Communications LLC	`6.87ms` from Dallas, US
135.26.3.247	AS6300 Fidium	`5.71ms` from Dallas, US

Traceroute

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

traceroute -a -n -q1 61.88.125.52

traceroute to 61.88.125.52 (61.88.125.52): 64 hops max, 52 byte packets

1 [AS15169] 142.250.224.121 1.142 ms

2 *

3 [AS7474] 59.154.18.96 3.198 ms

4 [AS7474] 61.88.7.233 3.368 ms

5 [AS7474] 61.88.125.52 21.225 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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