ASN AS55581 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS55581?

AS55581 is listed under BINARY NETWORKS 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.

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.

AS55581 BINARY NETWORKS PTY LTD

ASN Lookup Tool

BINARY NETWORKS PTY LTD binarynetworks.com.au

AU 20 Routes

AS Data

AS55581

AS55581 – BINARY NETWORKS PTY LTD

AS Number	55581
AS Name	BINARY-AU
Organization	BINARY NETWORKS PTY LTD (org-bnpl7-ap)
Country	AU
Website	binarynetworks.com.au
Number of IPv4 Routes	20
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS55581 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
103.104.236.0/24	AS55581	BINARY NETWORKS PTY LTD	BINARY NETWORKS	256
103.194.0.0/22	AS55581	BINARY NETWORKS PTY LTD	BINARY NETWORKS	1024
103.55.132.0/24	AS55581	BINARY NETWORKS PTY LTD	TASMANET	256
103.104.238.0/24	AS55581	BINARY NETWORKS PTY LTD	BINARY NETWORKS	256
103.93.26.0/24	AS55581	BINARY NETWORKS PTY LTD	Next Telecom Pty Ltd	256
103.166.56.0/23	AS55581	BINARY NETWORKS PTY LTD	BINARY NETWORKS	512
45.125.120.0/23	AS55581	BINARY NETWORKS PTY LTD	BINARY NETWORKS	512
27.116.36.0/22	AS55581	BINARY NETWORKS PTY LTD	NEXT TELECOM	1024
45.125.123.0/24	AS55581	BINARY NETWORKS PTY LTD	BINARY NETWORKS	256
103.194.0.0/23	AS55581	BINARY NETWORKS PTY LTD	BINARY NETWORKS	512

Raw Whois Response

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

% Information related to 'AS55296 - AS56319'

as-block:       AS55296 - AS56319
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:  2009-09-03T01:15:30Z
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 'AS55581'

% Abuse contact for 'AS55581' is 'data-abuse@commschoice.com'

aut-num:        AS55581
as-name:        BINARY-AU
descr:          NEXT TELECOM
country:        AU
org:            ORG-BNPL7-AP
admin-c:        BNPL9-AP
tech-c:         BNPL9-AP
abuse-c:        AB1438-AP
mnt-lower:      MAINT-BINARY-AU
mnt-routes:     MAINT-BINARY-AU
mnt-by:         APNIC-HM
mnt-irt:        IRT-BINARY-AU
last-modified:  2025-07-02T05:25:55Z
import:         from AS-ANY accept ANY
export:         to AS-ANY announce AS55581:AS-BINARY
source:         APNIC

irt:            IRT-BINARY-AU
address:        Level 6, 56 Clarence Street, SYDNEY, NSW, AUSTRALIA, 2000
e-mail:         data-noc@commschoice.com
abuse-mailbox:  data-abuse@commschoice.com
admin-c:        BNPL9-AP
tech-c:         BNPL9-AP
auth:           # Filtered
remarks:        data-abuse@commschoice.com was validated on 2025-10-15
remarks:        data-noc@commschoice.com was validated on 2026-02-13
mnt-by:         MAINT-BINARY-AU
last-modified:  2026-02-13T03:11:45Z
source:         APNIC

organisation:   ORG-BNPL7-AP
org-name:       BINARY NETWORKS PTY LTD
org-type:       LIR
country:        AU
address:        14/202 FERNTREE GULLY ROAD
phone:          +61390208400
fax-no:         +61380800701
e-mail:         mdiamond@binarynetworks.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:18:32Z
source:         APNIC

role:           ABUSE BINARYAU
country:        ZZ
address:        Level 6, 56 Clarence Street, SYDNEY, NSW, AUSTRALIA, 2000
phone:          +000000000
e-mail:         data-noc@commschoice.com
admin-c:        BNPL9-AP
tech-c:         BNPL9-AP
nic-hdl:        AB1438-AP
remarks:        Generated from irt object IRT-BINARY-AU
remarks:        data-abuse@commschoice.com was validated on 2025-10-15
remarks:        data-noc@commschoice.com was validated on 2026-02-13
abuse-mailbox:  data-abuse@commschoice.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-02-13T03:11:55Z
source:         APNIC

role:           BINARY NETWORKS PTY LTD administrator
address:        Level 6, 56 Clarence Street, SYDNEY, NSW, AUSTRALIA, 2000
country:        AU
phone:          +61291376549
e-mail:         data-abuse@commschoice.com
admin-c:        BNPL9-AP
tech-c:         BNPL9-AP
nic-hdl:        BNPL9-AP
mnt-by:         MAINT-BINARY-AU
last-modified:  2022-02-17T23:31:24Z
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" : "AS55296 - AS56319",
    "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" : "2009-09-03",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS55581",
    "as_name" : "BINARY-AU",
    "description" : [ "NEXT TELECOM" ],
    "country" : "AU",
    "import" : [ "from AS-ANY accept ANY" ],
    "export" : [ "to AS-ANY announce AS55581:AS-BINARY" ],
    "organization" : "ORG-BNPL7-AP",
    "admin_contacts" : [ "BNPL9-AP" ],
    "tech_contacts" : [ "BNPL9-AP" ],
    "abuse_contacts" : [ "AB1438-AP" ],
    "mnt_irt" : [ "IRT-BINARY-AU" ],
    "mnt_lower" : [ "MAINT-BINARY-AU" ],
    "mnt_routes" : [ "MAINT-BINARY-AU" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2025-07-02",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-BINARY-AU",
    "address" : [ "Level 6, 56 Clarence Street, SYDNEY, NSW, AUSTRALIA, 2000" ],
    "street" : "Clarence Street",
    "state" : "NSW",
    "zip_code" : "2000",
    "country" : "AUSTRALIA",
    "email" : [ "data-noc@commschoice.com" ],
    "abuse_mailbox" : [ "data-abuse@commschoice.com" ],
    "admin_contacts" : [ "BNPL9-AP" ],
    "tech_contacts" : [ "BNPL9-AP" ],
    "remarks" : [ "data-abuse@commschoice.com was validated on 2025-10-15", "data-noc@commschoice.com was validated on 2026-02-13" ],
    "mnt_by" : [ "MAINT-BINARY-AU" ],
    "date_updated" : "2026-02-13",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-BNPL7-AP",
    "name" : "BINARY NETWORKS PTY LTD",
    "type" : "LIR",
    "address" : [ "14/202 FERNTREE GULLY ROAD" ],
    "street" : "Ferntree Gully Road",
    "country" : [ "AU" ],
    "email" : [ "mdiamond@binarynetworks.com.au" ],
    "phone" : [ "+61390208400" ],
    "fax_no" : [ "+61380800701" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "BNPL9-AP",
    "name" : "BINARY NETWORKS PTY LTD administrator",
    "address" : [ "Level 6, 56 Clarence Street, SYDNEY, NSW, AUSTRALIA, 2000" ],
    "street" : "Clarence Street",
    "state" : "NSW",
    "zip_code" : "2000",
    "country" : "AU",
    "email" : [ "data-abuse@commschoice.com" ],
    "phone" : [ "+61291376549" ],
    "admin_contacts" : [ "BNPL9-AP" ],
    "tech_contacts" : [ "BNPL9-AP" ],
    "mnt_by" : [ "MAINT-BINARY-AU" ],
    "date_updated" : "2022-02-17",
    "source" : "APNIC",
    "addressCountry" : "AUSTRALIA"
  } ],
  "technical_contacts" : [ {
    "handle" : "BNPL9-AP",
    "name" : "BINARY NETWORKS PTY LTD administrator",
    "address" : [ "Level 6, 56 Clarence Street, SYDNEY, NSW, AUSTRALIA, 2000" ],
    "street" : "Clarence Street",
    "state" : "NSW",
    "zip_code" : "2000",
    "country" : "AU",
    "email" : [ "data-abuse@commschoice.com" ],
    "phone" : [ "+61291376549" ],
    "admin_contacts" : [ "BNPL9-AP" ],
    "tech_contacts" : [ "BNPL9-AP" ],
    "mnt_by" : [ "MAINT-BINARY-AU" ],
    "date_updated" : "2022-02-17",
    "source" : "APNIC",
    "addressCountry" : "AUSTRALIA"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AB1438-AP",
    "name" : "ABUSE BINARYAU",
    "address" : [ "Level 6, 56 Clarence Street, SYDNEY, NSW, AUSTRALIA, 2000" ],
    "street" : "Clarence Street",
    "state" : "NSW",
    "zip_code" : "2000",
    "country" : "ZZ",
    "email" : [ "data-noc@commschoice.com" ],
    "abuse_mailbox" : [ "data-abuse@commschoice.com" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "BNPL9-AP" ],
    "tech_contacts" : [ "BNPL9-AP" ],
    "remarks" : [ "Generated from irt object IRT-BINARY-AU", "data-abuse@commschoice.com was validated on 2025-10-15", "data-noc@commschoice.com was validated on 2026-02-13" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-02-13",
    "source" : "APNIC",
    "addressCountry" : "AUSTRALIA"
  } ]
}

Peers

AS Number	Description	Country
AS139582	Ritam Pty Limited	AU
AS64098	TASMANET	AU
AS133415	Tango Technology	AU
AS133415	TANGO TECHNOLOGY PTY LIMITED	AU

Upstreams

AS Number	Description	Country
AS64098	TASMANET	AU

Downstreams

AS Number	Description	Country
AS139582	Ritam Pty Limited	AU
AS133415	TANGO TECHNOLOGY PTY LIMITED	AU