203.35.0.0/16

AS1221 · Telstra Limited

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Summary

Country	Australia
Domain	telstra.net
ASN	AS1221
Registry	APNIC
ID	TELSTRAINTERNET9-AU

WHOIS Details

inetnum:        203.35.0.0 - 203.35.255.255
netname:        TELSTRAINTERNET9-AU
descr:          Telstra Limited
country:        AU
org:            ORG-TC6-AP
admin-c:        TIAR-AP
tech-c:         TAN2-AP
abuse-c:        AT1005-AP
status:         ALLOCATED PORTABLE
remarks:        -----
remarks:        All reports regarding SPAM or security breaches
remarks:        should be addressed to abuse@telstra.net
remarks:        ------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-AU-TIAR-AP
mnt-routes:     MAINT-AU-TIAR-AP
mnt-irt:        IRT-TELSTRA-AU
last-modified:  2024-05-10T00:50:23Z
source:         APNIC

irt:            IRT-TELSTRA-AU
address:        Telstra Internet
e-mail:         abuse@telstra.net
abuse-mailbox:  abuse@telstra.net
admin-c:        TIAR-AP
tech-c:         TIAR-AP
auth:           # Filtered
remarks:        abuse@telstra.net was validated on 2025-07-15
mnt-by:         MAINT-AU-TIAR-AP
last-modified:  2025-11-18T00:26:24Z
source:         APNIC

organisation:   ORG-TC6-AP
org-name:       Telstra Limited
org-type:       LIR
country:        AU
address:        242 Exhibition Street
e-mail:         corporateaddressing@team.telstra.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2024-12-06T08:30:50Z
source:         APNIC

role:           ABUSE TELSTRAAU
country:        ZZ
address:        Telstra Internet
phone:          +000000000
e-mail:         abuse@telstra.net
admin-c:        TIAR-AP
tech-c:         TIAR-AP
nic-hdl:        AT1005-AP
remarks:        Generated from irt object IRT-TELSTRA-AU
remarks:        abuse@telstra.net was validated on 2025-07-15
abuse-mailbox:  abuse@telstra.net
mnt-by:         APNIC-ABUSE
last-modified:  2025-07-15T22:43:15Z
source:         APNIC

role:           Telstra AU NOC
address:        Telstra Internet
address:        242 Exhibition Street
address:        Melbourne
address:        VIC 3000
country:        AU
phone:          +61 3 8650 3305
e-mail:         ipnoc-au@team.telstra.com
admin-c:        TIAR-AP
tech-c:         TIAR-AP
nic-hdl:        TAN2-AP
mnt-by:         MAINT-AU-TIAR-AP
last-modified:  2025-11-26T05:11:17Z
source:         APNIC

person:         Telstra Internet Address Registry
address:        Telstra Internet
address:        242 Exhibition St
address:        Melbourne
address:        VIC 3000
country:        AU
phone:          +61 000000000
e-mail:         addressing@telstra.net
nic-hdl:        TIAR-AP
remarks:        Telstra Internet Address Registry Role Object
mnt-by:         MAINT-AU-TIAR-AP
last-modified:  2021-12-09T22:28:56Z
source:         APNIC

route:          203.35.0.0/16
origin:         AS1221
descr:          Telstra Corporation 242 Exhibition Street
mnt-by:         MAINT-AU-TIAR-AP
last-modified:  2019-12-11T21:09:18Z
source:         APNIC

route:          203.35.0.0/16
origin:         AS19905
descr:          Telstra Corporation Limited 242 Exhibition Street
mnt-by:         MAINT-AU-TIAR-AP
last-modified:  2022-09-12T02:31:29Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 203.0.0.0/8

Range	ASN	Company	Num of IPs
203.40.0.0/13	AS1221	Telstra Limited	524,288
203.36.0.0/14	AS1221	Telstra Limited	262,144
203.48.0.0/14	AS1221	Telstra Limited	262,144
203.52.0.0/15	AS1221	Telstra Limited	131,072
203.102.0.0/15	AS703	Verizon Australia PTY Limited	131,072
203.63.0.0/16	AS2764	AAPT Limited	65,536
203.200.0.0/16	AS40009	Internet Service Provider	65,536
203.224.0.0/16	AS9273	ITCENENTEC CO.,LTD.	65,536
203.227.0.0/16	AS9973	SEJONG NETWORKS	65,536
203.74.0.0/16	AS3462	Data Communication Business Group,	65,536
203.151.0.0/16	AS4618	Internet Thailand Company Limited	65,536
203.73.0.0/16	AS4780	Digital United Inc.	65,536
203.206.0.0/16	AS7545	iiNet Limited	65,536
203.162.0.0/16	AS7643	Vietnam Posts and Telecommunications Group	65,536
203.206.0.0/16	AS4739	iiNet Limited	65,536
203.231.0.0/16	AS9848	SEJONG NETWORKS	65,536
203.231.0.0/16	AS9973	SEJONG NETWORKS	65,536
203.155.0.0/16	AS135620	KSC Commercial Internet Co. Ltd.	65,536
203.200.0.0/16	AS4755	Internet Service Provider	65,536
203.197.0.0/16	AS4755	Internet Service Provider	65,536
203.218.0.0/16	AS4760	PCCW Limited	65,536
203.70.0.0/16	AS4780	Digital United Inc.	65,536
203.66.0.0/16	AS3462	Data Communication Business Group,	65,536
203.61.0.0/16	AS703	Verizon Australia PTY Limited	65,536
203.219.0.0/16	AS7545	TPG Internet Pty Ltd.	65,536
203.59.0.0/16	AS7545	iiNet Limited	65,536
203.125.0.0/16	AS3758	SingNet Pte Ltd	65,536
203.154.0.0/16	AS4618	Internet Thailand Company Limited	65,536
203.227.0.0/16	AS9848	SEJONG NETWORKS	65,536
203.231.0.0/16	AS131866	SEJONG NETWORKS	65,536
203.177.0.0/16	AS132199	Globe Telecom	65,536
203.182.0.0/16	AS4673	NTT DATA CORPORATION	65,536
203.154.0.0/16	AS132063	Internet Thailand Company Limited	65,536
203.75.0.0/16	AS3462	Data Communication Business Group,	65,536
203.106.0.0/16	AS4788	TM TECHNOLOGY SERVICES SDN. BHD.	65,536
203.69.0.0/16	AS137280	Data Communication Business Group,	65,536
203.69.0.0/16	AS3462	Data Communication Business Group,	65,536
203.59.0.0/16	AS4739	iiNet Limited	65,536
203.231.0.0/16	AS17881	SEJONG NETWORKS	65,536
203.177.0.0/16	AS17894	Globe Telecom	65,536
203.225.0.0/16	AS4766	KOLON BENIT	65,536
203.67.0.0/16	AS4780	Digital United Inc.	65,536
203.157.0.0/16	AS9649	Ministry of Public Health, Thailand	65,536
203.59.0.0/16	AS4802	iiNet Limited	65,536
203.108.0.0/16	AS703	OzEmail Pty Ltd	65,536
203.227.0.0/16	AS23584	SEJONG NETWORKS	65,536
203.74.0.0/16	AS131660	Data Communication Business Group,	65,536
203.85.0.0/16	AS4058	CITIC Telecom International CPC Limited	65,536
203.138.0.0/16	AS2514	NTT PC Communications,Inc.	65,536
203.68.0.0/16	AS1659	Taiwan Academic Network	65,536

Hosted domains

There are 35 domain names hosted across 26 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
203.35.236.34	rhodescollege.vic.edu.au	4
203.35.239.165	developwest.com.au	3
203.35.251.19	theslipper.net.au	2
203.35.9.198	muru-d.com	2
203.35.164.43	burnettwater.com.au	2
203.35.64.25	webcell.co.nz	2
203.35.113.26	lmcbase.net	1
203.35.73.90	wello.com.au	1
203.35.154.50	ljhc.com.au	1
203.35.143.157	tonsofruns.com.au	1
203.35.78.90	dimensionclothing.com.au	1
203.35.245.106	mcdgrp.net	1
203.35.99.221	mitchamcouncil.sa.gov.au	1
203.35.200.170	rccc.vic.gov.au	1
203.35.18.26	newspapers.com.kh	1
203.35.171.99	smcit.com	1
203.35.64.20	isissugar.com.au	1
203.35.99.78	meyercustomerlogin.com.au	1
203.35.157.66	mobiledata.net.au	1
203.35.0.139	mctest.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

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

IP Address	ASN	Details
203.35.19.223	AS1221 Telstra Limited	`3.89ms` from Sydney, AU
203.35.5.5	AS1221 Telstra Limited	`2.25ms` from Melbourne, AU
203.35.16.25	AS1221 Telstra Limited	`2.63ms` from Melbourne, AU
203.35.64.68	AS1221 Telstra Limited	`1.79ms` from Sydney, AU
203.35.25.174	AS1221 Telstra Limited	`1.34ms` from Melbourne, AU
203.35.66.6	AS1221 Telstra Limited	`2.21ms` from Melbourne, AU
203.35.9.53	AS1221 Telstra Limited	`1.29ms` from Melbourne, AU
203.35.14.216	AS1221 Telstra Limited	`1.20ms` from Sydney, AU
203.35.165.136	AS1221 Telstra Limited	`1.51ms` from Melbourne, AU
203.35.185.230	AS1221 Telstra Limited	`0.62ms` from Melbourne, AU
203.35.158.173	AS1221 Telstra Limited	`1.23ms` from Sydney, AU
203.35.254.241	AS1221 Telstra Limited	`1.43ms` from Adelaide, AU
203.35.213.236	AS1221 Telstra Limited	`1.25ms` from Brisbane, AU
203.35.207.81	AS1221 Telstra Limited	`26.13ms` from Melbourne, AU
203.35.100.221	AS1221 Telstra Limited	`1.34ms` from Melbourne, AU
203.35.78.201	AS1221 Telstra Limited	`2.62ms` from Sydney, AU
203.35.137.166	AS1221 Telstra Limited	`0.77ms` from Adelaide, AU
203.35.105.66	AS1221 Telstra Limited	`1.73ms` from Brisbane, AU
203.35.169.226	AS1221 Telstra Limited	`1.71ms` from Sydney, AU
203.35.255.172	AS1221 Telstra Limited	`0.99ms` from Melbourne, AU
203.35.250.1	AS1221 Telstra Limited	`32.29ms` from Adelaide, AU
203.35.167.210	AS1221 Telstra Limited	`2.18ms` from Melbourne, AU
203.35.87.74	AS1221 Telstra Limited	`1.54ms` from Sydney, AU
203.35.224.12	AS1221 Telstra Limited	`1.21ms` from Sydney, AU
203.35.82.97	AS1221 Telstra Limited	`0.54ms` 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
49.50.227.128	AS55853 Megatel	`1.87ms` from Auckland, NZ
186.33.53.192	AS52468 UFINET PANAMA S.A.	`0.41ms` from Bogotá, CO
86.137.154.192	AS2856 British Telecommunications PLC	`2.30ms` from Erith, GB
27.151.108.208	AS4134 CHINANET-BACKBONE	`4.07ms` from Fuzhou, CN
46.182.113.208	AS719 Elisa Oyj	`0.84ms` from Helsinki, FI
124.156.157.32	AS132203 Tencent Building, Kejizhongyi Avenue	`0.38ms` from Hong Kong, HK
49.131.77.112	AS17924 SmarTone Mobile Communications Ltd	`12.52ms` from Hong Kong, HK
47.81.199.112	AS45102 Alibaba (US) Technology Co., Ltd.	`0.37ms` from Kuala Lumpur, MY
176.104.50.64	AS41435 UnderNet LLC	`0.50ms` from Kyiv, UA
95.123.125.176	AS3352 TELEFONICA DE ESPANA S.A.U.	`6.46ms` from Madrid, ES
47.16.120.176	AS6128 Cablevision Systems Corp.	`4.25ms` from New York City, US
79.196.169.240	AS3320 Deutsche Telekom AG	`3.63ms` from Nuernberg, DE
14.10.8.192	AS2516 KDDI CORPORATION	`2.93ms` from Osaka, JP
120.51.196.192	AS2519 ARTERIA Networks Corporation	`10.03ms` from Osaka, JP
141.223.143.32	AS3784 Pohang University of Science and Technology	`6.81ms` from Seoul, KR
85.126.108.80	AS8412 T-Mobile Austria GmbH	`0.41ms` from Vienna, AT
115.84.92.208	AS9873 Lao Telecom Communication, LTC	`1.91ms` from Vientiane, LA
195.12.176.16	AS8764 Telia Lietuva, AB	`2.10ms` from Vilnius, LT
108.48.92.16	AS701 Verizon Business	`1.93ms` from Ashburn, US
208.95.6.240	AS11476 PRIME CARE TECHNOLOGIES, INC.	`1.12ms` from Atlanta, US
174.80.78.192	AS20115 Charter Communications LLC	`11.92ms` from Atlanta, US
97.244.187.16	AS6167 Verizon Business	`15.29ms` from Atlanta, US
3.32.194.160	AS8987 Amazon Data Services Ireland Ltd	`0.33ms` from Boardman, US
41.35.191.112	AS8452 TE-AS	`9.37ms` from Cairo, EG
79.250.174.16	AS3320 Deutsche Telekom AG	`6.63ms` from Frankfurt am Main, DE

Traceroute

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

traceroute -a -n -q1 -f3 -m15 203.35.236.45

traceroute to 203.35.236.45 (203.35.236.45): 15 hops max, 52 byte packets

3 [AS8966] 5.195.70.160 1.059 ms

4 [AS8966] 195.229.0.181 1.4 ms

5 [AS4637] 210.176.138.13 74.323 ms

6 *

7 [AS4637] 202.84.140.105 121.31 ms

8 [AS1221] 203.50.9.12 121.572 ms

9 [AS1221] 203.50.6.236 148.259 ms

10 [AS1221] 203.50.6.122 158.875 ms

11 [AS1221] 203.50.13.124 159.303 ms

12 [AS1221] 203.50.13.132 170.38 ms

13 *

14 *

15 *

Measurement taken from

IPinfo ProbeNet in Al Fujairah City, AE

On December 28th 2025

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