ASN AS18361 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS18361?

AS18361 is listed under ASX Operations Pty Ltd.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS18361 ASX Operations Pty Ltd

ASN Lookup Tool

ASX Operations Pty Ltd asx.com.au

AU 9 Routes

AS Data

AS18361

AS18361 – ASX Operations Pty Ltd

AS Number	18361
AS Name	ASX-AS-AP
Organization	ASX Operations Pty Ltd (org-ase1-ap)
Country	AU
Website	asx.com.au
Number of IPv4 Routes	9
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

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Use ASN data for AS18361 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
203.15.147.0/24	AS18361	ASX Operations Pty Ltd	ASX Operations Pty Ltd	256
103.239.129.0/24	AS18361	ASX Operations Pty Ltd	ASX Operations Pty Ltd	256
203.15.146.0/24	AS18361	ASX Operations Pty Ltd	ASX Operations Pty Ltd	256
203.15.146.0/23	AS18361	ASX Operations Pty Ltd	ASX Operations Pty Ltd	512
203.0.116.0/22	AS18361	ASX Operations Pty Ltd	ASX Operations Pty Ltd	1024
203.15.144.0/23	AS18361	ASX Operations Pty Ltd	ASX Operations Pty Ltd	512
103.239.128.0/23	AS18361	ASX Operations Pty Ltd	ASX Operations Pty Ltd	512
203.15.144.0/22	AS18361	ASX Operations Pty Ltd	ASX Operations Pty Ltd	1024
203.15.145.0/24	AS18361	ASX Operations Pty Ltd	ASX Operations Pty Ltd	256

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS17653 - AS18431'

as-block:       AS17653 - AS18431
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2019-01-08T23:19:07Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS18361'

% Abuse contact for 'AS18361' is 'TI-NetworkTechnology@asx.com.au'

aut-num:        AS18361
as-name:        ASX-AS-AP
descr:          ASX Operations Pty Ltd
country:        AU
org:            ORG-ASE1-AP
admin-c:        AC1339-AP
tech-c:         AC1339-AP
abuse-c:        AA2053-AP
import:         from AS703 action pref=10; accept RS-DEFAULT
import:         from AS9837 action pref=50; accept RS-DEFAULT
export:         to AS703 announce AS18361
export:         to AS9837 announce AS18361
mnt-by:         APNIC-HM
mnt-lower:      MAINT-ASX-AU
mnt-routes:     MAINT-ASX-AU
mnt-irt:        IRT-ASX-AU1
last-modified:  2024-07-22T00:45:40Z
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 2026-03-10
mnt-by:         MAINT-ASX-AU
last-modified:  2026-03-10T23:05:21Z
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 2026-03-10
abuse-mailbox:  TI-NetworkTechnology@asx.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2026-03-10T23:05:53Z
source:         APNIC

person:         ASX Comms
address:        20 Bridge St
address:        Sydney NSW 2000
country:        AU
phone:          +61-2-9227-0328
e-mail:         ti-telecommunications@asx.com.au
nic-hdl:        AC1339-AP
mnt-by:         MAINT-ASX-AU
last-modified:  2015-04-08T01:57:48Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-US2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS17653 - AS18431",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "HM20-AP" ],
    "tech_contacts" : [ "HM20-AP" ],
    "remarks" : [ "These AS numbers are further assigned by APNIC", "to APNIC members and end-users in the APNIC region" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "APNIC-HM" ],
    "date_updated" : "2019-01-08",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS18361",
    "as_name" : "ASX-AS-AP",
    "description" : [ "ASX Operations Pty Ltd" ],
    "country" : "AU",
    "import" : [ "from AS703 action pref=10; accept RS-DEFAULT", "from AS9837 action pref=50; accept RS-DEFAULT" ],
    "export" : [ "to AS703 announce AS18361", "to AS9837 announce AS18361" ],
    "organization" : "ORG-ASE1-AP",
    "admin_contacts" : [ "AC1339-AP" ],
    "tech_contacts" : [ "AC1339-AP" ],
    "abuse_contacts" : [ "AA2053-AP" ],
    "mnt_irt" : [ "IRT-ASX-AU1" ],
    "mnt_lower" : [ "MAINT-ASX-AU" ],
    "mnt_routes" : [ "MAINT-ASX-AU" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2024-07-22",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-ASX-AU1",
    "address" : [ "ASX Operations Pty Ltd", "Level 27, 39 Martin Place, Sydney, NSW 2000" ],
    "street" : "Martin Place",
    "state" : "NSW",
    "zip_code" : "2000",
    "email" : [ "TI-NetworkTechnology@asx.com.au" ],
    "abuse_mailbox" : [ "TI-NetworkTechnology@asx.com.au" ],
    "admin_contacts" : [ "ANT2-AP" ],
    "tech_contacts" : [ "ANT2-AP" ],
    "remarks" : [ "TI-NetworkTechnology@asx.com.au", "ti-networktechnology@asx.com.au was validated on 2026-03-10" ],
    "mnt_by" : [ "MAINT-ASX-AU" ],
    "date_updated" : "2026-03-10",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-ASE1-AP",
    "name" : "ASX Operations Pty Ltd",
    "type" : "LIR",
    "address" : [ "Level 27, 39 Martin Place," ],
    "street" : "Martin Place",
    "country" : [ "AU" ],
    "email" : [ "TI-NetworkTechnology@asx.com.au" ],
    "phone" : [ "+61 2 9227 0000" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2025-11-06",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "AC1339-AP",
    "name" : "ASX Comms",
    "address" : [ "20 Bridge St", "Sydney NSW 2000" ],
    "street" : "Bridge St",
    "state" : "NSW",
    "zip_code" : "2000",
    "country" : "AU",
    "email" : [ "ti-telecommunications@asx.com.au" ],
    "phone" : [ "+61-2-9227-0328" ],
    "mnt_by" : [ "MAINT-ASX-AU" ],
    "date_updated" : "2015-04-08",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "AC1339-AP",
    "name" : "ASX Comms",
    "address" : [ "20 Bridge St", "Sydney NSW 2000" ],
    "street" : "Bridge St",
    "state" : "NSW",
    "zip_code" : "2000",
    "country" : "AU",
    "email" : [ "ti-telecommunications@asx.com.au" ],
    "phone" : [ "+61-2-9227-0328" ],
    "mnt_by" : [ "MAINT-ASX-AU" ],
    "date_updated" : "2015-04-08",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AA2053-AP",
    "name" : "ABUSE ASXAU1",
    "address" : [ "ASX Operations Pty Ltd", "Level 27, 39 Martin Place, Sydney, NSW 2000" ],
    "street" : "Martin Place",
    "state" : "NSW",
    "zip_code" : "2000",
    "country" : "ZZ",
    "email" : [ "TI-NetworkTechnology@asx.com.au" ],
    "abuse_mailbox" : [ "TI-NetworkTechnology@asx.com.au" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "ANT2-AP" ],
    "tech_contacts" : [ "ANT2-AP" ],
    "remarks" : [ "Generated from irt object IRT-ASX-AU1", "ti-networktechnology@asx.com.au was validated on 2026-03-10" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-03-10",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS703	Verizon Business	US
AS1221	Telstra Limited	AU
AS7545	TPG Internet Pty Ltd	AU
AS4826	Vocus Connect International Backbone	AU
AS9837	Powertel Ltd	AU
AS19551	Incapsula Inc	US
AS4826	VOCUS PTY LTD	AU
AS7545	TPG Telecom Limited	AU