ASN AS23603 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS23603?

AS23603 is listed under ICONZ Allocated for dual homing.

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.

AS23603 ICONZ Allocated for dual homing

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ICONZ Allocated for dual homing iconz.net

NZ 0 Routes

AS Data

AS23603

AS23603 – ICONZ Allocated for dual homing

AS Number	23603
AS Name	ICONZ-AS-AP
Organization	ICONZ Allocated for dual homing(org-hnz1-ap)
Country	NZ
Website	iconz.net
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	APNIC
Date Allocated	N/A

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Raw Whois Response

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

% Information related to 'AS23552 - AS24575'

as-block:       AS23552 - AS24575
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
remarks:        AS23889 has been transfered to AfriNIC
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2009-09-29T06:04:16Z
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 'AS23602 - AS23611'

as-block:       AS23602 - AS23611
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:  2008-09-04T06:40:26Z
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 'AS23603'

% Abuse contact for 'AS23603' is 'ams-faults@atturra.com'

aut-num:        AS23603
as-name:        ICONZ-AS-AP
descr:          Housing New Zealand
descr:          ICONZ Allocated for dual homing
descr:          Service Provider
descr:          Auckland
country:        NZ
import:         From AS4770 action pref=50; accept AS4770
export:         to AS4770 announce AS23603
import:         From AS9343 action pref=40; accept AS9343
export:         to AS9343 announce AS23603
default:        to AS4770
remarks:        Abuse contact: abuse@iconz.net
org:            ORG-HNZ1-AP
sponsoring-org: ORG-ICON1-AP
admin-c:        INT1-AP
tech-c:         INT1-AP
abuse-c:        AI632-AP
notify:         noc@iconz.net
mnt-lower:      MAINT-NZ-ICONZ
mnt-routes:     MAINT-NZ-ICONZ
mnt-by:         APNIC-HM
mnt-irt:        IRT-ICONZ-NZ
last-modified:  2023-09-05T04:05:25Z
source:         APNIC

irt:            IRT-ICONZ-NZ
address:        ICONZ
address:        Private Bag 92080
address:        Victoria St West
address:        Auckland 1142, NZ
e-mail:         ams-faults@atturra.com
abuse-mailbox:  ams-faults@atturra.com
admin-c:        INT1-AP
tech-c:         INT1-AP
auth:           # Filtered
remarks:        ams-faults@atturra.com was validated on 2025-09-03
mnt-by:         MAINT-NZ-ICONZ
last-modified:  2025-11-18T00:26:19Z
source:         APNIC

organisation:   ORG-HNZ1-AP
org-name:       Housing New Zealand
org-type:       OTHER
address:        ICONZ, Level 1, 60 Airdale St, Private Bag 92080, Auckland, 1010, New Zealand
country:        NZ
phone:          +64 9 977 3500
e-mail:         noc@iconz.net
admin-c:        INT1-AP
tech-c:         INT1-AP
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T04:05:25Z
source:         APNIC

role:           ABUSE ICONZNZ
country:        ZZ
address:        ICONZ
address:        Private Bag 92080
address:        Victoria St West
address:        Auckland 1142, NZ
phone:          +000000000
e-mail:         ams-faults@atturra.com
admin-c:        INT1-AP
tech-c:         INT1-AP
nic-hdl:        AI632-AP
remarks:        Generated from irt object IRT-ICONZ-NZ
remarks:        ams-faults@atturra.com was validated on 2025-09-03
abuse-mailbox:  ams-faults@atturra.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-04T16:31:55Z
source:         APNIC

person:         ICONZ NOC TEAM
nic-hdl:        INT1-AP
e-mail:         noc@iconz.net
address:        ICONZ
address:        Level 1, 60 Airdale St
address:        Private Bag 92080
address:        Auckland, 1010
address:        New Zealand
phone:          +64 9 977 3500
fax-no:         +64 9 377 3535
country:        NZ
mnt-by:         MAINT-NZ-ICONZ
last-modified:  2010-05-26T22:50:58Z
source:         APNIC

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