ASN AS38900 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS38900?

AS38900 is listed under Unison Networks 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.

AS38900 Unison Networks Limited

ASN Lookup Tool

Unison Networks Limited unison.co.nz

NZ 6 Routes

AS Data

AS38900

AS38900 – Unison Networks Limited

AS Number	38900
AS Name	UNISON-NZ-AP
Organization	Unison Networks Limited (org-unl3-ap)
Country	NZ
Website	unison.co.nz
Number of IPv4 Routes	6
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS38900 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
203.92.24.0/23	AS38900	Unison Networks Limited	Unison Networks Limited	512
103.22.234.0/23	AS38900	Unison Networks Limited	Unison Networks Limited	512
103.22.234.0/24	AS38900	Unison Networks Limited	Unison Networks Limited	256
203.92.25.0/24	AS38900	Unison Networks Limited	Unison Networks Limited	256
103.22.235.0/24	AS38900	Unison Networks Limited	Unison Networks Limited	256
203.92.24.0/24	AS38900	Unison Networks Limited	Unison Networks Limited	256

Raw Whois Response

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

% Information related to 'AS37888 - AS38911'

as-block:       AS37888 - AS38911
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:  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 'AS38900'

% Abuse contact for 'AS38900' is 'domains@unison.co.nz'

aut-num:        AS38900
as-name:        UNISON-NZ-AP
descr:          Unison Networks Limited
country:        NZ
org:            ORG-UNL3-AP
admin-c:        UNLn1-AP
tech-c:         UNLn1-AP
abuse-c:        AU194-AP
mnt-lower:      MAINT-UNISON-NZ
mnt-routes:     MAINT-UNISON-NZ
mnt-by:         APNIC-HM
mnt-irt:        IRT-UNISON-NZ
last-modified:  2020-08-05T13:02:55Z
source:         APNIC

irt:            IRT-UNISON-NZ
address:        1101 Omahu Road
e-mail:         domains@unison.co.nz
abuse-mailbox:  domains@unison.co.nz
admin-c:        UNLn1-AP
tech-c:         UNLn1-AP
auth:           # Filtered
remarks:        domains@unison.co.nz is invalid
mnt-by:         MAINT-UNISON-NZ
last-modified:  2025-11-18T00:27:04Z
source:         APNIC

organisation:   ORG-UNL3-AP
org-name:       Unison Networks Limited
org-type:       LIR
country:        NZ
address:        1101 Omahu Road
phone:          +64-6-873-9400
fax-no:         +64-6-873-9311
e-mail:         info@unison.co.nz
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:21Z
source:         APNIC

role:           ABUSE UNISONNZ
country:        ZZ
address:        1101 Omahu Road
phone:          +000000000
e-mail:         domains@unison.co.nz
admin-c:        UNLn1-AP
tech-c:         UNLn1-AP
nic-hdl:        AU194-AP
remarks:        Generated from irt object IRT-UNISON-NZ
remarks:        domains@unison.co.nz is invalid
abuse-mailbox:  domains@unison.co.nz
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-04T18:23:27Z
source:         APNIC

role:           UNISON NETWORKS LIMITED - network administrator
address:        1101 Omahu Road
country:        NZ
phone:          +64-6-873-9300
fax-no:         +64-6-873-9311
e-mail:         info@unison.co.nz
admin-c:        UNLn1-AP
tech-c:         UNLn1-AP
nic-hdl:        UNLn1-AP
mnt-by:         MAINT-UNISON-NZ
last-modified:  2008-09-04T07:54:25Z
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" : "AS37888 - AS38911",
    "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" : "2009-09-29",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS38900",
    "as_name" : "UNISON-NZ-AP",
    "description" : [ "Unison Networks Limited" ],
    "country" : "NZ",
    "organization" : "ORG-UNL3-AP",
    "admin_contacts" : [ "UNLn1-AP" ],
    "tech_contacts" : [ "UNLn1-AP" ],
    "abuse_contacts" : [ "AU194-AP" ],
    "mnt_irt" : [ "IRT-UNISON-NZ" ],
    "mnt_lower" : [ "MAINT-UNISON-NZ" ],
    "mnt_routes" : [ "MAINT-UNISON-NZ" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-08-05",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-UNISON-NZ",
    "address" : [ "1101 Omahu Road" ],
    "street" : "Omahu Road",
    "email" : [ "domains@unison.co.nz" ],
    "abuse_mailbox" : [ "domains@unison.co.nz" ],
    "admin_contacts" : [ "UNLn1-AP" ],
    "tech_contacts" : [ "UNLn1-AP" ],
    "remarks" : [ "domains@unison.co.nz is invalid" ],
    "mnt_by" : [ "MAINT-UNISON-NZ" ],
    "date_updated" : "2025-11-18",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-UNL3-AP",
    "name" : "Unison Networks Limited",
    "type" : "LIR",
    "address" : [ "1101 Omahu Road" ],
    "street" : "Omahu Road",
    "country" : [ "NZ" ],
    "email" : [ "info@unison.co.nz" ],
    "phone" : [ "+64-6-873-9400" ],
    "fax_no" : [ "+64-6-873-9311" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "UNLn1-AP",
    "name" : "UNISON NETWORKS LIMITED - network administrator",
    "address" : [ "1101 Omahu Road" ],
    "street" : "Omahu Road",
    "country" : "NZ",
    "email" : [ "info@unison.co.nz" ],
    "phone" : [ "+64-6-873-9300" ],
    "fax_no" : [ "+64-6-873-9311" ],
    "admin_contacts" : [ "UNLn1-AP" ],
    "tech_contacts" : [ "UNLn1-AP" ],
    "mnt_by" : [ "MAINT-UNISON-NZ" ],
    "date_updated" : "2008-09-04",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "UNLn1-AP",
    "name" : "UNISON NETWORKS LIMITED - network administrator",
    "address" : [ "1101 Omahu Road" ],
    "street" : "Omahu Road",
    "country" : "NZ",
    "email" : [ "info@unison.co.nz" ],
    "phone" : [ "+64-6-873-9300" ],
    "fax_no" : [ "+64-6-873-9311" ],
    "admin_contacts" : [ "UNLn1-AP" ],
    "tech_contacts" : [ "UNLn1-AP" ],
    "mnt_by" : [ "MAINT-UNISON-NZ" ],
    "date_updated" : "2008-09-04",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AU194-AP",
    "name" : "ABUSE UNISONNZ",
    "address" : [ "1101 Omahu Road" ],
    "street" : "Omahu Road",
    "country" : "ZZ",
    "email" : [ "domains@unison.co.nz" ],
    "abuse_mailbox" : [ "domains@unison.co.nz" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "UNLn1-AP" ],
    "tech_contacts" : [ "UNLn1-AP" ],
    "remarks" : [ "Generated from irt object IRT-UNISON-NZ", "domains@unison.co.nz is invalid" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2025-09-04",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS9790	Two Degrees Networks Limited	NZ
AS9790	Two Degrees Mobile Limited	NZ
AS55850	Mercury NZ Limited	NZ

Upstreams

AS Number	Description	Country
AS9790	Two Degrees Mobile Limited	NZ
AS55850	Mercury NZ Limited	NZ

Contacts

Email Contacts

domains@unison.co.nz info@unison.co.nz

Abuse Contacts

domains@unison.co.nz