What is ASN AS137442?

ASN AS137442 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS137442?

AS137442 is listed under Cairns Airport Pty 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.

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AS137442 Cairns Airport Pty Ltd

Cairns Airport Pty Ltd cairnsairport.com.au

AU 6 Routes

AS Data

AS137442

AS137442 – Cairns Airport Pty Ltd

AS Number	137442
AS Name	CAIRNSAIRPORT-AS-AP
Organization	Cairns Airport Pty Ltd (org-capl7-ap)
Country	AU
Website	cairnsairport.com.au
Number of IPv4 Routes	3
Number of IPv6 Routes	3
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS137442 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2001:df0:ca02::/48	AS137442	Cairns Airport Pty Ltd	Cairns Airport Pty Ltd	~1×10²⁴
203.12.230.0/24	AS137442	Cairns Airport Pty Ltd	Cairns Airport Pty Ltd	256
2001:df0:ca00::/48	AS137442	Cairns Airport Pty Ltd	Cairns Airport Pty Ltd	~1×10²⁴
2001:df0:ca01::/48	AS137442	Cairns Airport Pty Ltd	Cairns Airport Pty Ltd	~1×10²⁴
203.12.229.0/24	AS137442	Cairns Airport Pty Ltd	Cairns Airport Pty Ltd	256
103.191.142.0/24	AS137442	Cairns Airport Pty Ltd	Cairns Airport Pty Ltd	256

Raw Whois Response

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

% Information related to 'AS136506 - AS137529'

as-block:       AS136506 - AS137529
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:  2016-05-26T03:42:38Z
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 'AS137442'

% Abuse contact for 'AS137442' is 'netops@cairnsairport.com.au'

aut-num:        AS137442
as-name:        CAIRNSAIRPORT-AS-AP
descr:          Cairns Airport Pty Ltd
descr:          PO Box 57
descr:          Airport Administration Centre
country:        AU
org:            ORG-CAPL7-AP
admin-c:        CINA4-AP
tech-c:         CINA4-AP
abuse-c:        AC2208-AP
mnt-lower:      MAINT-AU-CAIRNSAIRPORT
mnt-routes:     MAINT-AU-CAIRNSAIRPORT
mnt-by:         APNIC-HM
mnt-irt:        IRT-CAIRNSAIRPORT-AU
last-modified:  2020-11-10T23:10:14Z
source:         APNIC

irt:            IRT-CAIRNSAIRPORT-AU
address:        Cairns Airport Pty Ltd
address:        P.O. Box 57 Airport Administration Centre
address:        Cairns Airport Qld 4870
e-mail:         netops@cairnsairport.com.au
abuse-mailbox:  netops@cairnsairport.com.au
admin-c:        CINA4-AP
tech-c:         CINA4-AP
auth:           # Filtered
remarks:        netops@cairnsairport.com.au was validated on 2026-01-20
mnt-by:         MAINT-AU-CAIRNSAIRPORT
last-modified:  2026-01-20T23:45:25Z
source:         APNIC

organisation:   ORG-CAPL7-AP
org-name:       Cairns Airport Pty Ltd
org-type:       LIR
country:        AU
address:        PO Box 57
address:        Airport Administration Centre
phone:          +61-7-4080-6829
fax-no:         +61-7-4080-6704
e-mail:         netops@cairnsairport.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:27Z
source:         APNIC

role:           ABUSE CAIRNSAIRPORTAU
country:        ZZ
address:        Cairns Airport Pty Ltd
address:        P.O. Box 57 Airport Administration Centre
address:        Cairns Airport Qld 4870
phone:          +000000000
e-mail:         netops@cairnsairport.com.au
admin-c:        CINA4-AP
tech-c:         CINA4-AP
nic-hdl:        AC2208-AP
remarks:        Generated from irt object IRT-CAIRNSAIRPORT-AU
remarks:        netops@cairnsairport.com.au was validated on 2026-01-20
abuse-mailbox:  netops@cairnsairport.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-20T23:45:49Z
source:         APNIC

person:         CAPL ICT Network Administrator
address:        Cairns Airport Pty Ltd
address:        PO Box 57 Airport Administration Centre
address:        Cairns Airport QLD 4870
country:        AU
phone:          +61-7-4080-6703
fax-no:         +61-7-4080-6704
e-mail:         netops@cairnsairport.com.au
nic-hdl:        CINA4-AP
abuse-mailbox:  netops@cairnsairport.com.au
mnt-by:         MAINT-AU-CAIRNSAIRPORT
last-modified:  2016-07-16T01:31:15Z
source:         APNIC

% Information related to 'AS136506 - AS137529'

as-block:       AS136506 - AS137529
descr:          APNIC ASN block
admin-c:        IA55-AP
tech-c:         IH123-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MNT-APJII-ID
last-modified:  2026-02-20T07:15:14Z
source:         IDNIC

role:           ID-NIC ADMINISTRATORS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
admin-c:        IH288-AP
tech-c:         IH288-AP
nic-hdl:        IA55-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2026-02-25T04:06:45Z
source:         IDNIC

role:           ID-NIC HOSTMASTERS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
remarks:        spam and abuse report : abuse@apjii.or.id
remarks:        technical and routing : support@apjii.or.id
remarks:        administrative request : admin@apjii.or.id
remarks:        IDNIC hostmasters role object
admin-c:        IH1-AP
tech-c:         IH1-AP
nic-hdl:        IH123-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2024-07-10T05:48:59Z
source:         IDNIC

% 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" : "AS136506 - AS137529",
    "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" : "2016-05-26",
    "source" : "APNIC"
  }, {
    "as_block" : "AS136506 - AS137529",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "IA55-AP" ],
    "tech_contacts" : [ "IH123-AP" ],
    "mnt_by" : [ "MNT-APJII-ID" ],
    "mnt_lower" : [ "MNT-APJII-ID" ],
    "date_updated" : "2026-02-20",
    "source" : "IDNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS137442",
    "as_name" : "CAIRNSAIRPORT-AS-AP",
    "description" : [ "Cairns Airport Pty Ltd", "PO Box 57", "Airport Administration Centre" ],
    "country" : "AU",
    "organization" : "ORG-CAPL7-AP",
    "admin_contacts" : [ "CINA4-AP" ],
    "tech_contacts" : [ "CINA4-AP" ],
    "abuse_contacts" : [ "AC2208-AP" ],
    "mnt_irt" : [ "IRT-CAIRNSAIRPORT-AU" ],
    "mnt_lower" : [ "MAINT-AU-CAIRNSAIRPORT" ],
    "mnt_routes" : [ "MAINT-AU-CAIRNSAIRPORT" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-11-10",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-CAIRNSAIRPORT-AU",
    "address" : [ "Cairns Airport Pty Ltd", "P.O. Box 57 Airport Administration Centre", "Cairns Airport Qld 4870" ],
    "state" : "QLD",
    "zip_code" : "4870",
    "email" : [ "netops@cairnsairport.com.au" ],
    "abuse_mailbox" : [ "netops@cairnsairport.com.au" ],
    "admin_contacts" : [ "CINA4-AP" ],
    "tech_contacts" : [ "CINA4-AP" ],
    "remarks" : [ "netops@cairnsairport.com.au was validated on 2026-01-20" ],
    "mnt_by" : [ "MAINT-AU-CAIRNSAIRPORT" ],
    "date_updated" : "2026-01-20",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-CAPL7-AP",
    "name" : "Cairns Airport Pty Ltd",
    "type" : "LIR",
    "address" : [ "PO Box 57", "Airport Administration Centre" ],
    "country" : [ "AU" ],
    "email" : [ "netops@cairnsairport.com.au" ],
    "phone" : [ "+61-7-4080-6829" ],
    "fax_no" : [ "+61-7-4080-6704" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "CINA4-AP",
    "name" : "CAPL ICT Network Administrator",
    "address" : [ "Cairns Airport Pty Ltd", "PO Box 57 Airport Administration Centre", "Cairns Airport QLD 4870" ],
    "state" : "QLD",
    "zip_code" : "4870",
    "country" : "AU",
    "email" : [ "netops@cairnsairport.com.au" ],
    "abuse_mailbox" : [ "netops@cairnsairport.com.au" ],
    "phone" : [ "+61-7-4080-6703" ],
    "fax_no" : [ "+61-7-4080-6704" ],
    "mnt_by" : [ "MAINT-AU-CAIRNSAIRPORT" ],
    "date_updated" : "2016-07-16",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "CINA4-AP",
    "name" : "CAPL ICT Network Administrator",
    "address" : [ "Cairns Airport Pty Ltd", "PO Box 57 Airport Administration Centre", "Cairns Airport QLD 4870" ],
    "state" : "QLD",
    "zip_code" : "4870",
    "country" : "AU",
    "email" : [ "netops@cairnsairport.com.au" ],
    "abuse_mailbox" : [ "netops@cairnsairport.com.au" ],
    "phone" : [ "+61-7-4080-6703" ],
    "fax_no" : [ "+61-7-4080-6704" ],
    "mnt_by" : [ "MAINT-AU-CAIRNSAIRPORT" ],
    "date_updated" : "2016-07-16",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AC2208-AP",
    "name" : "ABUSE CAIRNSAIRPORTAU",
    "address" : [ "Cairns Airport Pty Ltd", "P.O. Box 57 Airport Administration Centre", "Cairns Airport Qld 4870" ],
    "state" : "QLD",
    "zip_code" : "4870",
    "country" : "ZZ",
    "email" : [ "netops@cairnsairport.com.au" ],
    "abuse_mailbox" : [ "netops@cairnsairport.com.au" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "CINA4-AP" ],
    "tech_contacts" : [ "CINA4-AP" ],
    "remarks" : [ "Generated from irt object IRT-CAIRNSAIRPORT-AU", "netops@cairnsairport.com.au was validated on 2026-01-20" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-01-20",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS7474	SingTel Optus Pty Ltd	AU
AS1221	Telstra Limited	AU
AS4764	Aussie Broadband	AU

Upstreams

AS Number	Description	Country
AS7474	SingTel Optus Pty Ltd	AU
AS1221	Telstra Limited	AU
AS4764	Aussie Broadband	AU

Contacts

Email Contacts

netops@cairnsairport.com.au hostmaster@idnic.net

Abuse Contacts

netops@cairnsairport.com.au

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