203.15.146.0/24

AS18361 · ASX Operations Pty Ltd

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Summary

Country	Australia
Domain	asx.com.au
ASN	AS18361
Parent Range	203.15.144.0/22
Registry	APNIC
ID	ASX-AU

WHOIS Details

inetnum:        203.15.144.0 - 203.15.147.255
netname:        ASX-AU
descr:          Australian Stock Exchange
descr:          PO Box 224
descr:          Sydney
descr:          NSW 2000
country:        AU
org:            ORG-ASE1-AP
admin-c:        ANT2-AP
tech-c:         ANT2-AP
abuse-c:        AA2053-AP
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-ASX-AU
mnt-routes:     MAINT-ASX-AU
mnt-irt:        IRT-ASX-AU1
last-modified:  2025-11-05T05:03:08Z
source:         APNIC

irt:            IRT-ASX-AU1
address:        ASX Operations Pty Ltd
address:        Level 27, 39 Martin Place, Sydney, NSW 2000
address:        
e-mail:         TI-NetworkTechnology@asx.com.au
abuse-mailbox:  TI-NetworkTechnology@asx.com.au
admin-c:        ANT2-AP
tech-c:         ANT2-AP
auth:           # Filtered
remarks:        TI-NetworkTechnology@asx.com.au
remarks:        ti-networktechnology@asx.com.au was validated on 2025-09-05
mnt-by:         MAINT-ASX-AU
last-modified:  2025-11-18T00:29:12Z
source:         APNIC

organisation:   ORG-ASE1-AP
org-name:       ASX Operations Pty Ltd
org-type:       LIR
country:        AU
address:        Level 27, 39 Martin Place,
phone:          +61 2 9227 0000
e-mail:         TI-NetworkTechnology@asx.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2025-11-06T13:22:18Z
source:         APNIC

role:           ABUSE ASXAU1
country:        ZZ
address:        ASX Operations Pty Ltd
address:        Level 27, 39 Martin Place, Sydney, NSW 2000
address:        
phone:          +000000000
e-mail:         TI-NetworkTechnology@asx.com.au
admin-c:        ANT2-AP
tech-c:         ANT2-AP
nic-hdl:        AA2053-AP
remarks:        Generated from irt object IRT-ASX-AU1
remarks:        ti-networktechnology@asx.com.au was validated on 2025-09-05
abuse-mailbox:  TI-NetworkTechnology@asx.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-05T04:31:10Z
source:         APNIC

person:         ASX Network Technology
address:        Level 27,  39 Martin Place, Sydney, NSW 2000
country:        AU
phone:          +61 2 9338 0000
e-mail:         TI-NetworkTechnology@asx.com.au
nic-hdl:        ANT2-AP
mnt-by:         MAINT-ASX-AU
last-modified:  2025-11-05T03:10:44Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 203.15.146.0/24

Range	ASN	Company	Num of IPs
203.15.144.0/22	AS18361	Australian Stock Exchange	1,024

Nearby Ranges

BGP prefixes that overlap with 203.15.0.0/16

Range	ASN	Company	Num of IPs
203.15.32.0/19	AS24436	UQConnect	8,192
203.15.0.0/20	AS133774	CHINANET Guangdong province network	4,096
203.15.96.0/21	AS7550	Special Broadcasting Service	2,048
203.15.160.0/21	AS703	Verizon Australia Pty Limited	2,048
203.15.124.0/22	AS9650	CITEC	1,024
203.15.144.0/22	AS18361	Australian Stock Exchange	1,024
203.15.120.0/23	AS137409	GSL Networks Pty Ltd	512
203.15.134.0/23	AS9313	Somerset College Limited	512
203.15.172.0/23	AS9336	St Catherine's School	512
203.15.18.0/23	AS151626	INDIAN CYBERCRIME COORDINATION CENTRE	512
203.15.254.0/24	AS1221	ANDVIV Pty. Ltd.	256
203.15.244.0/24	AS38170	Albury Local Internet Pty Ltd	256
203.15.155.0/24	AS400371	PUEBLO OF LAGUNA UTILITY AUTHORITY	256
203.15.107.0/24	AS4739	ADS (ANALOG & DIGITAL SYSTEMS)	256
203.15.226.0/24	AS4822	National Library of Australia	256
203.15.70.0/24	AS4826	Infoxchange	256
203.15.111.0/24	AS7545	Matthew Green	256
203.15.109.0/24	AS7575	The Commonwealth of Australia	256
203.15.122.0/24	AS24433	Central Queensland University	256
203.15.68.0/24	AS1221	Telstra Limited	256
203.15.150.0/24	AS134094	SERVERFIELD CO., LTD.	256
203.15.120.0/24	AS137409	GSL Networks Pty LTD	256
203.15.121.0/24	AS137409	GSL Networks Pty LTD	256
203.15.141.0/24	AS139207	Web In A Box	256
203.15.142.0/24	AS139890	Transaction Solutions Limited	256
203.15.64.0/24	AS18165	ResMed Pty Ltd	256
203.15.117.0/24	AS23764	Chinatelecomglobal Office Blocks	256
203.15.118.0/24	AS23764	Chinatelecomglobal Office Blocks	256

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

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

IP Address	ASN	Details
203.15.146.166	AS18361 ASX Operations Pty Ltd	`1.54ms` 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
165.85.172.56	AS394089 Google LLC	`0.84ms` from Ashburn, US
203.45.5.40	AS1221 Telstra Limited	`1.49ms` from Brisbane, AU
185.171.92.120	AS43242 ARINET SECURITY & INTERNET CONSULTANCY LTD	`11.30ms` from Denizli, TR
216.38.219.200	AS13649 Flexential Colorado Corp.	`0.98ms` from Denver, US
94.198.120.136	AS49567 Aptus Ltd	`0.24ms` from Dublin, IE
86.182.184.56	AS2856 British Telecommunications PLC	`4.48ms` from Erith, GB
123.17.170.88	AS45899 VNPT Corp	`3.16ms` from Hanoi, VN
83.195.65.200	AS3215 Orange S.A.	`2.79ms` from Marseille, FR
87.6.172.248	AS3269 Telecom Italia S.p.A.	`5.65ms` from Milan, IT
207.223.66.152	AS21808 Peerless Network Inc	`0.34ms` from New York City, US
91.162.124.56	AS12322 Free SAS	`3.89ms` from Paris, FR
75.232.155.56	AS6167 Verizon Business	`19.83ms` from Philadelphia, US
64.170.9.40	AS7018 AT&T Enterprises, LLC	`4.26ms` from San Jose, US
146.83.126.8	AS11340 Red Universitaria Nacional	`19.00ms` from Santiago, CL
124.52.166.136	AS17858 LG POWERCOMM	`1.82ms` from Seoul, KR
220.121.30.232	AS4766 Korea Telecom	`1.44ms` from Seoul, KR
84.229.200.200	AS12400 Partner Communications Ltd.	`1.42ms` from Tel Aviv, IL
133.130.62.8	AS7506 GMO Internet Group, Inc.	`0.32ms` from Tokyo, JP
13.81.207.72	AS8075 Microsoft Corporation	`0.29ms` from Amsterdam, NL
135.236.57.40	AS8075 Microsoft Corporation	`0.25ms` from Amsterdam, NL
184.82.14.8	AS133481 AIS Fibre	`3.68ms` from Bangkok, TH
149.200.50.104	AS5483 Magyar Telekom Plc.	`6.60ms` from Budapest, HU
84.62.218.104	AS3209 Vodafone GmbH	`4.84ms` from Frankfurt am Main, DE
14.175.99.120	AS45899 VNPT Corp	`4.29ms` from Hanoi, VN
113.231.4.40	AS4837 CHINA UNICOM China169 Backbone	`5.51ms` from Liaoyang, CN

Traceroute

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

traceroute -a -n -q1 -f9 203.15.146.71

traceroute to 203.15.146.71 (203.15.146.71): 64 hops max, 52 byte packets

9 [AS18361] 203.15.146.71 1.652 ms

Measurement taken from

IPinfo ProbeNet in Sydney, AU

On December 29th 2025

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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