123.243.172.0/24

AS7545 · TPG Telecom Limited

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Summary

Country	Australia
Domain	tpg.com.au
ASN	AS7545
Parent Range	123.243.0.0/16
Registry	APNIC
ID	TPG-AU

WHOIS Details

inetnum:        123.243.0.0 - 123.243.255.255
netname:        TPG-AU
descr:          TPG Internet Pty Ltd.
country:        AU
org:            ORG-TIPL2-AP
admin-c:        TH178-AP
tech-c:         TH178-AP
abuse-c:        AT937-AP
status:         ALLOCATED PORTABLE
remarks:        Australian Internet Service Provider (ISP)
remarks:        http://www.tpg.com.au
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-AU-TPGCOM
mnt-routes:     MAINT-AU-TPGCOM
mnt-irt:        IRT-TPGCOM-AU
last-modified:  2020-07-17T05:30:05Z
source:         APNIC

irt:            IRT-TPGCOM-AU
address:        TPG Internet Pty Ltd.
address:        65 Waterloo Road
address:        North Ryde NSW 2113
e-mail:         hostmaster@tpgtelecom.com.au
abuse-mailbox:  hostmaster@tpgtelecom.com.au
admin-c:        TH178-AP
tech-c:         TH178-AP
auth:           # Filtered
remarks:        hostmaster@tpgtelecom.com.au was validated on 2026-01-05
mnt-by:         MAINT-AU-TPGCOM
last-modified:  2026-02-03T00:03:11Z
source:         APNIC

organisation:   ORG-TIPL2-AP
org-name:       TPG Internet Pty Ltd
org-type:       LIR
country:        AU
address:        65 Waterloo Road
phone:          +61-2-9850-0800
fax-no:         +61-2-9850-0813
e-mail:         ip@tpgtelecom.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:46Z
source:         APNIC

role:           ABUSE TPGCOMAU
country:        ZZ
address:        TPG Internet Pty Ltd.
address:        65 Waterloo Road
address:        North Ryde NSW 2113
phone:          +000000000
e-mail:         hostmaster@tpgtelecom.com.au
admin-c:        TH178-AP
tech-c:         TH178-AP
nic-hdl:        AT937-AP
remarks:        Generated from irt object IRT-TPGCOM-AU
remarks:        hostmaster@tpgtelecom.com.au was validated on 2026-01-05
abuse-mailbox:  hostmaster@tpgtelecom.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-05T00:44:01Z
source:         APNIC

role:           TPG Hostmaster
address:        TPG Telecom Limited
address:        65 Waterloo Road
address:        North Ryde NSW 2113
country:        AU
phone:          +61 2 9850 0800
fax-no:         +61 2 9850 0817
e-mail:         hostmaster@tpgtelecom.com.au
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
remarks:        Send all spam and abuse reports to abuse@tpg.com.au or
remarks:        via our web interface at the link provided below:
remarks:        http://www.tpg.com.au/about/enquiry.php?type=Report%20Spamming
remarks:        .
remarks:        Please include detailed information such as full message
remarks:        headers and times in UTC
remarks:        --
remarks:        Send all network related issues such as routing to
remarks:        ipnoc@tpgtelecom.com.au
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
remarks:        Australian Internet Service Provider (ISP)
remarks:        http://www.tpg.com.au
admin-c:        TPG3-AP
tech-c:         TPG2-AP
tech-c:         TA56-AP
nic-hdl:        TH178-AP
notify:         hostmaster@tpgtelecom.com.au
mnt-by:         MAINT-AU-TPGCOM
last-modified:  2024-12-23T03:41:13Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 123.243.172.0/24

Range	ASN	Company	Num of IPs
123.243.0.0/16	AS7545	TPG Internet Pty Ltd.	65,536

Nearby Ranges

BGP prefixes that overlap with 123.243.0.0/16

Range	ASN	Company	Num of IPs
123.243.0.0/16	AS7545	TPG Internet Pty Ltd.	65,536

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
123.243.172.101	rocksoliddebt.com.au	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

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

IP Address	ASN	Details
123.243.172.70	AS7545 TPG Telecom Limited	`1.75ms` from Melbourne, 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
4.157.73.168	AS8075 Microsoft Corporation	`0.33ms` from Ashburn, US
60.6.41.200	AS4837 CHINA UNICOM China169 Backbone	`8.78ms` from Beijing, CN
201.180.38.248	AS22927 Telefonica de Argentina	`1.72ms` from Buenos Aires, AR
212.178.6.136	AS6876 TENET Scientific Production Enterprise LLC	`3.50ms` from Chisinau, MD
91.11.192.168	AS3320 Deutsche Telekom AG	`4.93ms` from Frankfurt am Main, DE
98.179.151.104	AS22773 Cox Communications Inc.	`4.43ms` from Kansas City, US
123.184.80.200	AS4134 CHINANET BACKBONE	`2.00ms` from Liaoyang, CN
62.72.3.120	AS47583 Hostinger International Limited	`0.85ms` from Phoenix, US
97.206.220.184	AS6167 Verizon Business	`11.59ms` from San Jose, US
60.227.184.136	AS1221 Telstra Limited	`1.84ms` from Sydney, AU
126.131.87.168	AS17676 SoftBank Corp.	`15.77ms` from Tokyo, JP
171.8.72.216	AS4134 CHINANET BACKBONE	`5.07ms` from Zhengzhou, CN
20.123.240.184	AS8075 Microsoft Corporation	`0.25ms` from Amsterdam, NL
122.236.156.88	AS4134 CHINANET BACKBONE	`9.94ms` from Hangzhou, CN
174.134.76.8	AS33363 Charter Communications, Inc	`7.27ms` from Los Angeles, US
88.22.234.168	AS3352 TELEFONICA DE ESPANA S.A.U.	`10.88ms` from Madrid, ES
223.109.55.200	AS56046 China Mobile communications corporation	`2.83ms` from Nanjing, CN
153.136.195.8	AS4713 NTT DOCOMO BUSINESS,Inc.	`11.96ms` from Osaka, JP
75.215.216.136	AS6167 Verizon Business	`15.27ms` from Philadelphia, US
140.128.109.120	AS1659 Taiwan Academic Network (TANet) Information Center	`1.74ms` from Taichung, TW
125.226.14.152	AS3462 Data Communication Business Group	`8.82ms` from Taipei, TW
42.5.62.248	AS4837 CHINA UNICOM China169 Backbone	`12.36ms` from Tieling, CN
171.41.62.88	AS4134 CHINANET BACKBONE	`3.80ms` from Wuhan, CN
206.196.177.8	AS10886 University of Maryland	`0.63ms` from Ashburn, US
136.61.69.136	AS16591 Google Fiber Inc.	`7.07ms` from Ashburn, US

Traceroute

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

traceroute -a -n -q1 123.243.172.38

traceroute to 123.243.172.38 (123.243.172.38): 64 hops max, 52 byte packets

1 [AS15169] 142.250.224.113 0.68 ms

2 *

3 [AS7545] 27.32.160.227 1.015 ms

4 [AS7545] 123.243.172.38 2.978 ms

Measurement taken from

IPinfo ProbeNet in Melbourne, 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.

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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