ASN AS18378 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS18378?

AS18378 is listed under National Institute of Water and Atmospheric Research 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?

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AS18378 National Institute of Water and Atmospheric Research Ltd

ASN Lookup Tool

National Institute of Water and Atmospheric Research Ltd niwa.co.nz

NZ 2 Routes

AS Data

AS18378

AS18378 – National Institute of Water and Atmospheric Research Ltd

AS Number	18378
AS Name	NIWA-AS-AP
Organization	National Institute of Water and Atmospheric Research Ltd (org-niow1-ap)
Country	NZ
Website	niwa.co.nz
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	APNIC
Date Allocated	N/A

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
103.229.249.0/24	AS18378	National Institute of Water and Atmospheric Research Ltd	National Institute of Water and Atmospheric Research Ltd	256
202.36.29.0/24	AS18378	National Institute of Water and Atmospheric Research Ltd	National Institute of Water and Atmospheric Research 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 'AS18378'

% Abuse contact for 'AS18378' is 'abuse@niwa.co.nz'

aut-num:        AS18378
as-name:        NIWA-AS-AP
descr:          National Institute of Water and Atmospheric Research Ltd
descr:          301 Evans Bay Parade
descr:          Greta Point
country:        NZ
import:         from AS9439 accept ANY
import:         from AS9325 action pref=100; accept ANY
import:         from AS9901 action pref=90; accept ANY
export:         to AS9439 announce AS18378
export:         to AS9325 announce AS18378
org:            ORG-NIOW1-AP
admin-c:        NIO4-AP
tech-c:         NIO4-AP
abuse-c:        AN691-AP
mnt-lower:      MAINT-NZ-NIWA
mnt-routes:     MAINT-NZ-NIWA
mnt-by:         APNIC-HM
mnt-irt:        IRT-NIWA-NZ
last-modified:  2020-06-02T19:35:28Z
source:         APNIC

irt:            IRT-NIWA-NZ
address:        295-301 Evans Bay Parade, Kilbirnie, Wellington NZ
e-mail:         abuse@niwa.co.nz
abuse-mailbox:  abuse@niwa.co.nz
admin-c:        NIO4-AP
tech-c:         NIO4-AP
auth:           # Filtered
remarks:        abuse@niwa.co.nz was validated on 2026-01-27
mnt-by:         MAINT-NZ-NIWA
last-modified:  2026-01-27T18:15:29Z
source:         APNIC

organisation:   ORG-NIOW1-AP
org-name:       National Institute of Water and Atmospheric Research Ltd
org-type:       LIR
country:        NZ
address:        301 Evans Bay Parade
address:        Greta Point
phone:          +64-4-386-0607
e-mail:         itlicenses@niwa.co.nz
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:59Z
source:         APNIC

role:           ABUSE NIWANZ
country:        ZZ
address:        295-301 Evans Bay Parade, Kilbirnie, Wellington NZ
phone:          +000000000
e-mail:         abuse@niwa.co.nz
admin-c:        NIO4-AP
tech-c:         NIO4-AP
nic-hdl:        AN691-AP
remarks:        Generated from irt object IRT-NIWA-NZ
remarks:        abuse@niwa.co.nz was validated on 2026-01-27
abuse-mailbox:  abuse@niwa.co.nz
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-27T18:15:50Z
source:         APNIC

role:           NIWA IT Operations
address:        Private Bag 14901, Kilbirnie, Wellington
country:        NZ
phone:          +64-4-386-0300
e-mail:         itlicences@niwa.co.nz
admin-c:        NIO4-AP
tech-c:         NIO4-AP
nic-hdl:        NIO4-AP
notify:         itlicences@niwa.co.nz
mnt-by:         MAINT-NZ-NIWA
last-modified:  2017-10-12T04:23:33Z
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" : "AS18378",
    "as_name" : "NIWA-AS-AP",
    "description" : [ "National Institute of Water and Atmospheric Research Ltd", "301 Evans Bay Parade", "Greta Point" ],
    "country" : "NZ",
    "import" : [ "from AS9439 accept ANY", "from AS9325 action pref=100; accept ANY", "from AS9901 action pref=90; accept ANY" ],
    "export" : [ "to AS9439 announce AS18378", "to AS9325 announce AS18378" ],
    "organization" : "ORG-NIOW1-AP",
    "admin_contacts" : [ "NIO4-AP" ],
    "tech_contacts" : [ "NIO4-AP" ],
    "abuse_contacts" : [ "AN691-AP" ],
    "mnt_irt" : [ "IRT-NIWA-NZ" ],
    "mnt_lower" : [ "MAINT-NZ-NIWA" ],
    "mnt_routes" : [ "MAINT-NZ-NIWA" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-06-02",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-NIWA-NZ",
    "address" : [ "295-301 Evans Bay Parade, Kilbirnie, Wellington NZ" ],
    "street" : "Evans Bay Parade",
    "city" : "Wellington",
    "country" : "NZ",
    "email" : [ "abuse@niwa.co.nz" ],
    "abuse_mailbox" : [ "abuse@niwa.co.nz" ],
    "admin_contacts" : [ "NIO4-AP" ],
    "tech_contacts" : [ "NIO4-AP" ],
    "remarks" : [ "abuse@niwa.co.nz was validated on 2026-01-27" ],
    "mnt_by" : [ "MAINT-NZ-NIWA" ],
    "date_updated" : "2026-01-27",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-NIOW1-AP",
    "name" : "National Institute of Water and Atmospheric Research Ltd",
    "type" : "LIR",
    "address" : [ "301 Evans Bay Parade", "Greta Point" ],
    "street" : "Evans Bay Parade Greta Point",
    "country" : [ "NZ" ],
    "email" : [ "itlicenses@niwa.co.nz" ],
    "phone" : [ "+64-4-386-0607" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "NIO4-AP",
    "name" : "NIWA IT Operations",
    "address" : [ "Private Bag 14901, Kilbirnie, Wellington" ],
    "city" : "Wellington",
    "country" : "NZ",
    "email" : [ "itlicences@niwa.co.nz" ],
    "phone" : [ "+64-4-386-0300" ],
    "admin_contacts" : [ "NIO4-AP" ],
    "tech_contacts" : [ "NIO4-AP" ],
    "notify" : [ "itlicences@niwa.co.nz" ],
    "mnt_by" : [ "MAINT-NZ-NIWA" ],
    "date_updated" : "2017-10-12",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "NIO4-AP",
    "name" : "NIWA IT Operations",
    "address" : [ "Private Bag 14901, Kilbirnie, Wellington" ],
    "city" : "Wellington",
    "country" : "NZ",
    "email" : [ "itlicences@niwa.co.nz" ],
    "phone" : [ "+64-4-386-0300" ],
    "admin_contacts" : [ "NIO4-AP" ],
    "tech_contacts" : [ "NIO4-AP" ],
    "notify" : [ "itlicences@niwa.co.nz" ],
    "mnt_by" : [ "MAINT-NZ-NIWA" ],
    "date_updated" : "2017-10-12",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AN691-AP",
    "name" : "ABUSE NIWANZ",
    "address" : [ "295-301 Evans Bay Parade, Kilbirnie, Wellington NZ" ],
    "street" : "Evans Bay Parade",
    "city" : "Wellington",
    "country" : "ZZ",
    "email" : [ "abuse@niwa.co.nz" ],
    "abuse_mailbox" : [ "abuse@niwa.co.nz" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "NIO4-AP" ],
    "tech_contacts" : [ "NIO4-AP" ],
    "remarks" : [ "Generated from irt object IRT-NIWA-NZ", "abuse@niwa.co.nz was validated on 2026-01-27" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-01-27",
    "source" : "APNIC",
    "addressCountry" : "NZ"
  } ]
}

Peers

AS Number	Description	Country
AS9439	Vital Data Ltd	NZ
AS64073	VETTA TRADING LIMITED	NZ
AS9325	Spark New Zealand Trading Limited	NZ
AS64073	Vetta Online Ltd	NZ
AS38022	REANNZ National Research and Education Network	NZ
AS9901	One New Zealand Group Limited	NZ