ASN AS18371 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS18371?

AS18371 is listed under AAPT Limited.

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.

AS18371 AAPT Limited | IPGeolocation.io

ASN Lookup Tool

AAPT Limited aapt.com.au

AU 33 Routes

AS Data

AS18371

AS18371 – AAPT Limited

AS Number	18371
AS Name	NCABLE-AP
Organization	AAPT Limited (org-al1-ap)
Country	AU
Website	aapt.com.au
Number of IPv4 Routes	25
Number of IPv6 Routes	8
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS18371 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
203.208.124.0/22	AS18371	AAPT Limited	iiNet Limited	1024
180.222.16.0/21	AS18371	AAPT Limited	iiNet Limited	2048
2402:b801:1800::/40	AS18371	AAPT Limited	AAPT Limited	~309×10²⁴
203.208.80.0/21	AS18371	AAPT Limited	AAPT Limited	2048
220.253.32.0/21	AS18371	AAPT Limited	iiNet Limited	2048
124.169.200.0/21	AS18371	AAPT Limited	iiNet Limited	2048
203.208.116.0/22	AS18371	AAPT Limited	iiNet Limited	1024
2402:b801:2800::/40	AS18371	AAPT Limited	AAPT Limited	~309×10²⁴
180.200.192.0/19	AS18371	AAPT Limited	iiNet Limited	8192
2402:b801:300::/40	AS18371	AAPT Limited	AAPT Limited	~309×10²⁴

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 'AS18371'

% Abuse contact for 'AS18371' is 'abuse1@aapt.com.au'

aut-num:        AS18371
as-name:        NCABLE-AP
descr:          Neighbourhood Cable
descr:          10 Neerim Crescent
descr:          Mitchell Park, Ballarat
descr:          Australia
country:        AU
org:            ORG-AL1-AP
admin-c:        ANO2-AP
tech-c:         ANO2-AP
abuse-c:        AA1416-AP
notify:         noc@ncmail.com.au
mnt-lower:      MAINT-AU-AAPT
mnt-routes:     MAINT-AU-AAPT
mnt-by:         APNIC-HM
mnt-irt:        IRT-AAPT-AU
last-modified:  2026-06-04T03:57:22Z
source:         APNIC

irt:            IRT-AAPT-AU
address:        AAPT Limited
address:        30 Ross St
address:        Glebe NSW 2037
phone:          +61282644660
e-mail:         ipnoc@aapt.com.au
abuse-mailbox:  abuse1@aapt.com.au
admin-c:        ANO2-AP
tech-c:         ANO2-AP
auth:           # Filtered
remarks:        ipnoc@aapt.com.au was validated on 2026-04-15
remarks:        abuse1@aapt.com.au was validated on 2026-04-15
notify:         routing.shared@aapt.com.au
mnt-by:         MAINT-AU-AAPT
last-modified:  2026-06-03T01:55:23Z
source:         APNIC

organisation:   ORG-AL1-AP
org-name:       AAPT Limited
org-type:       LIR
country:        AU
address:        30 Ross St
phone:          +61282821000
e-mail:         info@aapt.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:45Z
source:         APNIC

role:           ABUSE AAPTAU
country:        ZZ
address:        AAPT Limited
address:        30 Ross St
address:        Glebe NSW 2037
phone:          +61282644660
e-mail:         ipnoc@aapt.com.au
admin-c:        ANO2-AP
tech-c:         ANO2-AP
nic-hdl:        AA1416-AP
remarks:        Generated from irt object IRT-AAPT-AU
remarks:        ipnoc@aapt.com.au was validated on 2026-04-15
remarks:        abuse1@aapt.com.au was validated on 2026-04-15
abuse-mailbox:  abuse1@aapt.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2026-04-15T13:29:04Z
source:         APNIC

role:           AAPT Network Operations
address:        AAPT Limited
address:        30 Ross St
address:        Glebe NSW 2037
country:        AU
phone:          +61282644660
e-mail:         routing@aapt.com.au
admin-c:        ANO1-AP
tech-c:         ANO1-AP
nic-hdl:        ANO2-AP
mnt-by:         MAINT-AU-AAPT
last-modified:  2021-08-02T23:49:25Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (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" : "AS18371",
    "as_name" : "NCABLE-AP",
    "description" : [ "Neighbourhood Cable", "10 Neerim Crescent", "Mitchell Park, Ballarat", "Australia" ],
    "country" : "AU",
    "organization" : "ORG-AL1-AP",
    "admin_contacts" : [ "ANO2-AP" ],
    "tech_contacts" : [ "ANO2-AP" ],
    "abuse_contacts" : [ "AA1416-AP" ],
    "notify" : [ "noc@ncmail.com.au" ],
    "mnt_irt" : [ "IRT-AAPT-AU" ],
    "mnt_lower" : [ "MAINT-AU-AAPT" ],
    "mnt_routes" : [ "MAINT-AU-AAPT" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2026-06-04",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-AAPT-AU",
    "address" : [ "AAPT Limited", "30 Ross St", "Glebe NSW 2037" ],
    "street" : "Ross St",
    "state" : "NSW",
    "zip_code" : "2037",
    "email" : [ "ipnoc@aapt.com.au" ],
    "abuse_mailbox" : [ "abuse1@aapt.com.au" ],
    "phone" : [ "+61282644660" ],
    "admin_contacts" : [ "ANO2-AP" ],
    "tech_contacts" : [ "ANO2-AP" ],
    "remarks" : [ "ipnoc@aapt.com.au was validated on 2026-04-15", "abuse1@aapt.com.au was validated on 2026-04-15" ],
    "notify" : [ "routing.shared@aapt.com.au" ],
    "mnt_by" : [ "MAINT-AU-AAPT" ],
    "date_updated" : "2026-06-03",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-AL1-AP",
    "name" : "AAPT Limited",
    "type" : "LIR",
    "address" : [ "30 Ross St" ],
    "street" : "Ross St",
    "country" : [ "AU" ],
    "email" : [ "info@aapt.com.au" ],
    "phone" : [ "+61282821000" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "ANO2-AP",
    "name" : "AAPT Network Operations",
    "address" : [ "AAPT Limited", "30 Ross St", "Glebe NSW 2037" ],
    "street" : "Ross St",
    "state" : "NSW",
    "zip_code" : "2037",
    "country" : "AU",
    "email" : [ "routing@aapt.com.au" ],
    "phone" : [ "+61282644660" ],
    "admin_contacts" : [ "ANO1-AP" ],
    "tech_contacts" : [ "ANO1-AP" ],
    "mnt_by" : [ "MAINT-AU-AAPT" ],
    "date_updated" : "2021-08-02",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "ANO2-AP",
    "name" : "AAPT Network Operations",
    "address" : [ "AAPT Limited", "30 Ross St", "Glebe NSW 2037" ],
    "street" : "Ross St",
    "state" : "NSW",
    "zip_code" : "2037",
    "country" : "AU",
    "email" : [ "routing@aapt.com.au" ],
    "phone" : [ "+61282644660" ],
    "admin_contacts" : [ "ANO1-AP" ],
    "tech_contacts" : [ "ANO1-AP" ],
    "mnt_by" : [ "MAINT-AU-AAPT" ],
    "date_updated" : "2021-08-02",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AA1416-AP",
    "name" : "ABUSE AAPTAU",
    "address" : [ "AAPT Limited", "30 Ross St", "Glebe NSW 2037" ],
    "street" : "Ross St",
    "state" : "NSW",
    "zip_code" : "2037",
    "country" : "ZZ",
    "email" : [ "ipnoc@aapt.com.au" ],
    "abuse_mailbox" : [ "abuse1@aapt.com.au" ],
    "phone" : [ "+61282644660" ],
    "admin_contacts" : [ "ANO2-AP" ],
    "tech_contacts" : [ "ANO2-AP" ],
    "remarks" : [ "Generated from irt object IRT-AAPT-AU", "ipnoc@aapt.com.au was validated on 2026-04-15", "abuse1@aapt.com.au was validated on 2026-04-15" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-04-15",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS4739	Internode Pty Ltd	AU
AS2764	AAPT Limited	AU
AS7545	TPG Internet Pty Ltd	AU
AS7545	TPG Telecom Limited	AU

Upstreams

AS Number	Description	Country
AS4739	Internode Pty Ltd	AU
AS2764	AAPT Limited	AU
AS7545	TPG Internet Pty Ltd	AU

Contacts

Email Contacts

routing@aapt.com.au

Abuse Contacts

abuse1@aapt.com.au