123.243.242.0/23

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 123.243.242.0/23

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
123.243.242.22	mitchowen.com	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

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

IP Address	ASN	Details
123.243.242.232	AS7545 TPG Telecom Limited	`1.04ms` from Sydney, AU
123.243.243.191	AS7545 TPG Telecom Limited	`0.95ms` 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
184.28.86.23	AS16625 Akamai Technologies, Inc.	`0.79ms` from Cape Town, ZA
135.135.208.23	AS4181 TDS TELECOM	`8.66ms` from Chicago, US
121.74.124.247	AS9500 One New Zealand Group Limited	`5.76ms` from Christchurch, NZ
47.215.99.55	AS19108 Optimum	`11.65ms` from Dallas, US
3.125.4.119	AS16509 Amazon.com, Inc.	`0.14ms` from Frankfurt am Main, DE
54.36.61.215	AS16276 OVH SAS	`0.07ms` from Gravelines, FR
143.196.147.215	AS60855 LA DIRECTION INTERMINISTERIELLE DU NUMERIQUE	`5.86ms` from Paris, FR
126.251.23.151	AS131937 Joetsu Cable Vision	`5.13ms` from Tokyo, JP
69.42.56.39	AS13768 Aptum Technologies	`0.83ms` from Toronto, CA
191.176.86.183	AS28573 Claro NXT Telecomunicacoes Ltda	`1.87ms` from Brasilia, BR
108.163.207.103	AS32475 Internap Holding LLC	`0.82ms` from Chicago, US
23.61.121.151	AS16625 Akamai Technologies, Inc.	`0.23ms` from Curitiba, BR
47.220.69.55	AS19108 Optimum	`19.25ms` from Dallas, US
87.182.154.23	AS3320 Deutsche Telekom AG	`4.68ms` from Duesseldorf, DE
80.140.48.183	AS3320 Deutsche Telekom AG	`6.03ms` from Frankfurt am Main, DE
183.145.201.87	AS4134 CHINANET-BACKBONE	`7.75ms` from Hangzhou, CN
142.171.91.167	AS35916 MULTACOM CORPORATION	`0.35ms` from Los Angeles, US
37.78.218.183	AS12389 PJSC Rostelecom	`17.23ms` from Moscow, RU
47.103.255.151	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`2.61ms` from Shanghai, CN
61.170.248.7	AS4812 China Telecom (Group)	`3.27ms` from Shanghai, CN
5.10.13.23	AS57154 Stadtwerke Konstanz GmbH	`3.06ms` from Solothurn, CH
222.150.48.151	AS4713 NTT DOCOMO BUSINESS,Inc.	`3.06ms` from Tokyo, JP
59.175.235.87	AS4134 CHINANET-BACKBONE	`1.47ms` from Wuhan, CN
182.115.57.247	AS4837 CHINA UNICOM China169 Backbone	`4.08ms` from Zhengzhou, CN
62.112.224.23	AS29311 Solvinity B.V.	`1.21ms` from Amsterdam, NL

Traceroute

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

traceroute -a -n -q1 -f2 123.243.242.166

traceroute to 123.243.242.166 (123.243.242.166): 64 hops max, 52 byte packets

2 [AS3549] 113.29.127.229 0.552 ms

3 *

4 [AS7545] 203.29.134.48 0.471 ms

5 [AS7545] 123.243.242.166 4.768 ms

Measurement taken from

IPinfo ProbeNet in Sydney, AU

On March 20th 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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