ASN AS17756 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS17756?

AS17756 is listed under Australian Postal Corporation.

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.

AS17756 Australian Postal Corporation

ASN Lookup Tool

Australian Postal Corporation auspost.com.au

AU 24 Routes

AS Data

AS17756

AS17756 – Australian Postal Corporation

AS Number	17756
AS Name	AUSPOST
Organization	Australian Postal Corporation (org-apc1-ap)
Country	AU
Website	auspost.com.au
Number of IPv4 Routes	24
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS17756 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
155.144.24.0/24	AS17756	Australian Postal Corporation	Australian Postal Corporation	256
155.144.116.0/24	AS17756	Australian Postal Corporation	Australian Postal Corporation	256
155.144.51.0/24	AS17756	Australian Postal Corporation	Australian Postal Corporation	256
155.144.251.0/24	AS17756	Australian Postal Corporation	Australian Postal Corporation	256
155.144.50.0/23	AS17756	Australian Postal Corporation	Australian Postal Corporation	512
155.144.26.0/24	AS17756	Australian Postal Corporation	Australian Postal Corporation	256
155.144.27.0/24	AS17756	Australian Postal Corporation	Australian Postal Corporation	256
155.144.113.0/24	AS17756	Australian Postal Corporation	Australian Postal Corporation	256
155.144.53.0/24	AS17756	Australian Postal Corporation	Australian Postal Corporation	256
155.144.47.0/24	AS17756	Australian Postal Corporation	Australian Postal Corporation	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 'AS17756'

% Abuse contact for 'AS17756' is 'vince.banzon@auspost.com.au'

aut-num:        AS17756
as-name:        AUSPOST
descr:          Australia Post
descr:          120 Collins Street, Melbourne 3000
country:        AU
import:         from AS7474 action pref=100; accept ANY
import:         from AS1221 action pref=200; accept ANY
export:         to AS7474 announce AS17756
export:         to AS1221 announce AS17756
default:        to AS7474 action pref=100; networks ANY
default:        to AS1221 action pref=200; networks ANY
org:            ORG-APC1-AP
admin-c:        APC1-AP
tech-c:         APC1-AP
abuse-c:        AA1610-AP
mnt-lower:      MNT-ERX-AUPOSTCORP-NON-AU
mnt-routes:     MNT-ERX-AUPOSTCORP-NON-AU
mnt-by:         APNIC-HM
mnt-irt:        IRT-AUPOSTCORP-NON-AU
last-modified:  2020-06-22T05:00:35Z
source:         APNIC

irt:            IRT-AUPOSTCORP-NON-AU
address:        PO Box 1777
address:        Melbourne, 3000
e-mail:         vince.banzon@auspost.com.au
abuse-mailbox:  vince.banzon@auspost.com.au
admin-c:        APC1-AP
tech-c:         APC1-AP
auth:           # Filtered
remarks:        vince.banzon@auspost.com.au was validated on 2026-01-29
mnt-by:         MNT-ERX-AUPOSTCORP-NON-AU
last-modified:  2026-01-29T01:57:45Z
source:         APNIC

organisation:   ORG-APC1-AP
org-name:       Australian Postal Corporation
org-type:       LIR
country:        AU
address:        PO Box 1777
phone:          +61477360725
e-mail:         vince.banzon@auspost.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2024-03-05T12:57:50Z
source:         APNIC

role:           ABUSE AUPOSTCORPNONAU
country:        ZZ
address:        PO Box 1777
address:        Melbourne, 3000
phone:          +000000000
e-mail:         vince.banzon@auspost.com.au
admin-c:        APC1-AP
tech-c:         APC1-AP
nic-hdl:        AA1610-AP
remarks:        Generated from irt object IRT-AUPOSTCORP-NON-AU
remarks:        vince.banzon@auspost.com.au was validated on 2026-01-29
abuse-mailbox:  vince.banzon@auspost.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-29T01:57:54Z
source:         APNIC

person:         Australian Postal Corporation
address:        PO Box 1777
                Melbourne, 3000
country:        AU
phone:          +61 3 9204 7171
e-mail:         hostmaster@auspost.com.au
nic-hdl:        APC1-AP
remarks:        ----------
remarks:        imported from ARIN object:
remarks:
remarks:        poc-handle:  ZA90-ARIN
remarks:        is-role:     Y
remarks:        last-name:   Australian Postal Corporation
remarks:        street:      PO Box 1777
                Melbourne, 3000
remarks:        country:     AU
remarks:        mailbox:     hostmaster@auspost.com.au
remarks:        bus-phone:   61 3 9204 7171
remarks:        reg-date:    2001-06-29
remarks:        changed:     hostmaster@arin.poc 20020627
remarks:        source:      ARIN
remarks:
remarks:        ----------
notify:         hostmaster@auspost.com.au
mnt-by:         MNT-ERX-AUPOSTCORP-NON-AU
last-modified:  2008-09-04T07:29:34Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)

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" : "AS17756",
    "as_name" : "AUSPOST",
    "description" : [ "Australia Post", "120 Collins Street, Melbourne 3000" ],
    "country" : "AU",
    "import" : [ "from AS7474 action pref=100; accept ANY", "from AS1221 action pref=200; accept ANY" ],
    "export" : [ "to AS7474 announce AS17756", "to AS1221 announce AS17756" ],
    "default" : [ "to AS7474 action pref=100; networks ANY", "to AS1221 action pref=200; networks ANY" ],
    "organization" : "ORG-APC1-AP",
    "admin_contacts" : [ "APC1-AP" ],
    "tech_contacts" : [ "APC1-AP" ],
    "abuse_contacts" : [ "AA1610-AP" ],
    "mnt_irt" : [ "IRT-AUPOSTCORP-NON-AU" ],
    "mnt_lower" : [ "MNT-ERX-AUPOSTCORP-NON-AU" ],
    "mnt_routes" : [ "MNT-ERX-AUPOSTCORP-NON-AU" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-06-22",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-AUPOSTCORP-NON-AU",
    "address" : [ "PO Box 1777", "Melbourne, 3000" ],
    "city" : "Melbourne",
    "zip_code" : "3000",
    "email" : [ "vince.banzon@auspost.com.au" ],
    "abuse_mailbox" : [ "vince.banzon@auspost.com.au" ],
    "admin_contacts" : [ "APC1-AP" ],
    "tech_contacts" : [ "APC1-AP" ],
    "remarks" : [ "vince.banzon@auspost.com.au was validated on 2026-01-29" ],
    "mnt_by" : [ "MNT-ERX-AUPOSTCORP-NON-AU" ],
    "date_updated" : "2026-01-29",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-APC1-AP",
    "name" : "Australian Postal Corporation",
    "type" : "LIR",
    "address" : [ "PO Box 1777" ],
    "country" : [ "AU" ],
    "email" : [ "vince.banzon@auspost.com.au" ],
    "phone" : [ "+61477360725" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2024-03-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "APC1-AP",
    "name" : "Australian Postal Corporation",
    "address" : [ "PO Box 1777", "Melbourne, 3000" ],
    "city" : "Melbourne",
    "zip_code" : "3000",
    "country" : "AU",
    "email" : [ "hostmaster@auspost.com.au" ],
    "phone" : [ "+61 3 9204 7171" ],
    "remarks" : [ "----------", "imported from ARIN object:", "poc-handle:  ZA90-ARIN", "is-role:     Y", "last-name:   Australian Postal Corporation", "street:      PO Box 1777", "Melbourne, 3000", "country:     AU", "mailbox:     hostmaster@auspost.com.au", "bus-phone:   61 3 9204 7171", "reg-date:    2001-06-29", "changed:     hostmaster@arin.poc 20020627", "source:      ARIN", "----------" ],
    "notify" : [ "hostmaster@auspost.com.au" ],
    "mnt_by" : [ "MNT-ERX-AUPOSTCORP-NON-AU" ],
    "date_updated" : "2008-09-04",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "APC1-AP",
    "name" : "Australian Postal Corporation",
    "address" : [ "PO Box 1777", "Melbourne, 3000" ],
    "city" : "Melbourne",
    "zip_code" : "3000",
    "country" : "AU",
    "email" : [ "hostmaster@auspost.com.au" ],
    "phone" : [ "+61 3 9204 7171" ],
    "remarks" : [ "----------", "imported from ARIN object:", "poc-handle:  ZA90-ARIN", "is-role:     Y", "last-name:   Australian Postal Corporation", "street:      PO Box 1777", "Melbourne, 3000", "country:     AU", "mailbox:     hostmaster@auspost.com.au", "bus-phone:   61 3 9204 7171", "reg-date:    2001-06-29", "changed:     hostmaster@arin.poc 20020627", "source:      ARIN", "----------" ],
    "notify" : [ "hostmaster@auspost.com.au" ],
    "mnt_by" : [ "MNT-ERX-AUPOSTCORP-NON-AU" ],
    "date_updated" : "2008-09-04",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AA1610-AP",
    "name" : "ABUSE AUPOSTCORPNONAU",
    "address" : [ "PO Box 1777", "Melbourne, 3000" ],
    "city" : "Melbourne",
    "zip_code" : "3000",
    "country" : "ZZ",
    "email" : [ "vince.banzon@auspost.com.au" ],
    "abuse_mailbox" : [ "vince.banzon@auspost.com.au" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "APC1-AP" ],
    "tech_contacts" : [ "APC1-AP" ],
    "remarks" : [ "Generated from irt object IRT-AUPOSTCORP-NON-AU", "vince.banzon@auspost.com.au was validated on 2026-01-29" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-01-29",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS7474	SingTel Optus Pty Ltd	AU
AS1221	Telstra Limited	AU
AS7545	TPG Internet Pty Ltd	AU
AS32787	Akamai Technologies, Inc.	US
AS7545	TPG Telecom Limited	AU

Upstreams

AS Number	Description	Country
AS7545	TPG Internet Pty Ltd	AU
AS32787	Akamai Technologies, Inc.	US

Contacts

Email Contacts

vince.banzon@auspost.com.au hostmaster@auspost.com.au

Abuse Contacts

vince.banzon@auspost.com.au