123.243.45.0/24

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 123.243.45.0/24

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 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

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

IP Address	ASN	Details
123.243.45.245	AS7545 TPG Telecom Limited	`11.54ms` from Adelaide, 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
73.31.179.152	AS7922 Comcast Cable Communications, LLC	`6.15ms` from Ashburn, US
161.10.184.120	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	`4.02ms` from Bogota, CO
198.231.26.120	AS54013 Varonis Systems, Inc.	`0.65ms` from Frankfurt am Main, DE
95.81.1.168	AS15943 wilhelm.tel GmbH	`0.46ms` from Hamburg, DE
91.156.172.56	AS719 Elisa Oyj	`0.78ms` from Helsinki, FI
64.49.44.8	AS49304 SAKURA LINK LIMITED	`0.48ms` from Hong Kong, HK
113.211.120.136	AS9534 Binariang Berhad	`12.28ms` from Kuala Lumpur, MY
103.138.223.56	AS139043 WellNetworks (Private) Limited	`1.63ms` from Lahore, PK
170.233.147.120	AS27843 ON EMPRESAS S.A.C.	`0.33ms` from Lima, PE
86.186.172.56	AS2856 British Telecommunications PLC	`1.53ms` from London, GB
139.135.132.184	AS17639 Converge ICT Solutions Inc.	`1.06ms` from Manila, PH
207.96.114.8	AS6079 RCN	`5.83ms` from New York City, US
20.196.214.200	AS8075 Microsoft Corporation	`0.31ms` from Seoul, KR
195.158.88.24	AS15735 GO p.l.c.	`0.82ms` from Swieqi, MT
52.64.18.216	AS16509 Amazon.com, Inc.	`0.13ms` from Sydney, AU
122.121.16.56	AS3462 Data Communication Business Group	`4.64ms` from Taichung, TW
156.216.50.88	AS8452 TE-AS	`3.44ms` from Cairo, EG
197.95.65.248	AS20011 Dimension Data	`2.51ms` from Cape Town, ZA
93.236.182.184	AS3320 Deutsche Telekom AG	`6.69ms` from Frankfurt am Main, DE
154.208.240.168	AS134548 DXTL Tseung Kwan O Service	`0.75ms` from Hong Kong, HK
34.74.153.184	AS396982 Google LLC	`0.15ms` from Moncks Corner, US
2.237.226.40	AS12874 Fastweb SpA	`14.07ms` from Rome, IT
123.209.194.104	AS1221 Telstra Limited	`12.35ms` from Sydney, AU
43.167.154.136	AS132203 Tencent Building, Kejizhongyi Avenue	`0.29ms` from Tokyo, JP
153.198.16.88	AS4713 NTT DOCOMO BUSINESS,Inc.	`7.84ms` from Tokyo, JP

Traceroute

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

traceroute -a -n -q1 123.243.45.5

traceroute to 123.243.45.5 (123.243.45.5): 64 hops max, 52 byte packets

1 [AS15169] 142.250.224.113 1.246 ms

2 *

3 [AS7545] 27.32.160.194 1.87 ms

4 [AS7545] 220.244.229.246 13.255 ms

5 *

6 [AS7545] 203.219.182.20 12.211 ms

7 [AS7545] 123.243.45.5 16.405 ms

Measurement taken from

IPinfo ProbeNet in Melbourne, 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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