123.243.228.0/23

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 123.243.228.0/23

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 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

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

IP Address	ASN	Details
123.243.229.225	AS7545 TPG Telecom Limited	`1.20ms` from Sydney, AU
123.243.228.139	AS7545 TPG Telecom Limited	`1.25ms` 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
154.251.196.231	AS36947 Telecom Algeria	`11.77ms` from Algiers, DZ
101.17.32.87	AS4837 CHINA UNICOM China169 Backbone	`6.47ms` from Beijing, CN
93.228.109.7	AS3320 Deutsche Telekom AG	`2.98ms` from Duesseldorf, DE
109.148.216.39	AS2856 British Telecommunications PLC	`7.78ms` from London, GB
86.145.69.247	AS2856 British Telecommunications PLC	`8.19ms` from London, GB
86.1.137.23	AS5089 Virgin Media Limited	`6.63ms` from London, GB
98.171.185.23	AS22773 Cox Communications Inc.	`8.62ms` from Los Angeles, US
50.80.107.135	AS30036 Mediacom Communications Corp	`14.38ms` from Minneapolis, US
69.121.91.151	AS6128 Cablevision Systems Corp.	`8.43ms` from New York City, US
60.92.73.247	AS17676 SoftBank Corp.	`3.41ms` from Osaka, JP
60.136.216.55	AS17676 SoftBank Corp.	`7.51ms` from Osaka, JP
44.217.87.119	AS14618 Amazon.com, Inc.	`0.23ms` from Reston, US
191.185.34.87	AS28573 Claro NXT Telecomunicacoes Ltda	`14.66ms` from Rio de Janeiro, BR
189.76.65.7	AS52752 Vegas Telecom Informática Ltda.	`6.33ms` from Sao Paulo, BR
54.179.119.135	AS16509 Amazon.com, Inc.	`0.15ms` from Singapore, SG
23.138.44.7	AS63023 GTHost	`0.11ms` from Amsterdam, NL
4.231.52.215	AS8075 Microsoft Corporation	`0.25ms` from Amsterdam, NL
156.216.77.23	AS8452 TE-AS	`2.85ms` from Cairo, EG
93.226.113.55	AS3320 Deutsche Telekom AG	`4.38ms` from Duesseldorf, DE
121.170.144.87	AS4766 Korea Telecom	`1.40ms` from Seoul, KR
222.177.192.231	AS4134 CHINANET BACKBONE	`1.46ms` from Chongqing, CN
110.16.112.199	AS4837 CHINA UNICOM China169 Backbone	`3.99ms` from Hohhot, CN
76.95.104.247	AS20001 Charter Communications Inc	`5.40ms` from Los Angeles, US
216.231.209.231	AS13630 CSX Technology	`8.59ms` from Miami, US
121.31.142.103	AS4837 CHINA UNICOM China169 Backbone	`5.35ms` from Nanning, CN

Traceroute

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

traceroute -a -n -q1 123.243.228.93

traceroute to 123.243.228.93 (123.243.228.93): 64 hops max, 52 byte packets

1 [AS15169] 74.125.251.94 0.86 ms

2 [AS15169] 192.178.97.88 0.799 ms

3 *

4 [AS9942] 203.221.3.70 2.189 ms

5 [AS7545] 123.243.228.93 10.428 ms

Measurement taken from

IPinfo ProbeNet in Sydney, 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.

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