What is ASN AS133881?

ASN AS133881 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS133881?

AS133881 is listed under Retrac Business Solutions 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.

AS133881 Retrac Business Solutions Pty Ltd

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Retrac Business Solutions Pty Ltd retrac.com.au

AU 0 Routes

AS Data

AS133881

AS133881 – Retrac Business Solutions Pty Ltd

AS Number	133881
AS Name	RBSPL-AS-AP
Organization	Retrac Business Solutions Pty Ltd (org-rbsp2-ap)
Country	AU
Website	retrac.com.au
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	BUSINESS
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 'AS133632 - AS134556'

as-block:       AS133632 - AS134556
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:  2014-09-03T01:31:49Z
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 'AS133881'

% Abuse contact for 'AS133881' is 'abuse@retrac.com.au'

aut-num:        AS133881
as-name:        RBSPL-AS-AP
descr:          Retrac Business Solutions Pty Ltd
country:        AU
org:            ORG-RBSP2-AP
admin-c:        RBSP1-AP
tech-c:         RBSP1-AP
abuse-c:        AR1014-AP
mnt-lower:      MAINT-RBSPL-AU
mnt-routes:     MAINT-RBSPL-AU
mnt-by:         APNIC-HM
mnt-irt:        IRT-RBSPL-AU
last-modified:  2020-08-12T13:02:07Z
source:         APNIC

irt:            IRT-RBSPL-AU
address:        Suite 16, 26 - 28 Verdun Drive, Narre Warren Victoria 3805
e-mail:         abuse@retrac.com.au
abuse-mailbox:  abuse@retrac.com.au
admin-c:        RBSP1-AP
tech-c:         RBSP1-AP
auth:           # Filtered
remarks:        abuse@retrac.com.au was validated on 2026-06-29
mnt-by:         MAINT-RBSPL-AU
last-modified:  2026-06-29T02:35:16Z
source:         APNIC

organisation:   ORG-RBSP2-AP
org-name:       Retrac Business Solutions Pty Ltd
org-type:       LIR
country:        AU
address:        Suite 16, 26 - 28 Verdun Drive
phone:          +61387941900
e-mail:         abuse@retrac.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:29Z
source:         APNIC

role:           ABUSE RBSPLAU
country:        ZZ
address:        Suite 16, 26 - 28 Verdun Drive, Narre Warren Victoria 3805
phone:          +000000000
e-mail:         abuse@retrac.com.au
admin-c:        RBSP1-AP
tech-c:         RBSP1-AP
nic-hdl:        AR1014-AP
remarks:        Generated from irt object IRT-RBSPL-AU
remarks:        abuse@retrac.com.au was validated on 2026-06-29
abuse-mailbox:  abuse@retrac.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2026-06-29T02:35:24Z
source:         APNIC

role:           Retrac Business Solutions Pty Ltd administrator
address:        Suite 16, 26 - 28 Verdun Drive, Narre Warren Victoria 3805
country:        AU
phone:          +61387941900
fax-no:         +61387941900
e-mail:         abuse@retrac.com.au
admin-c:        RBSP1-AP
tech-c:         RBSP1-AP
nic-hdl:        RBSP1-AP
mnt-by:         MAINT-RBSPL-AU
last-modified:  2014-12-10T05:34:54Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS133632 - AS134556",
    "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" : "2014-09-03",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS133881",
    "as_name" : "RBSPL-AS-AP",
    "description" : [ "Retrac Business Solutions Pty Ltd" ],
    "country" : "AU",
    "organization" : "ORG-RBSP2-AP",
    "admin_contacts" : [ "RBSP1-AP" ],
    "tech_contacts" : [ "RBSP1-AP" ],
    "abuse_contacts" : [ "AR1014-AP" ],
    "mnt_irt" : [ "IRT-RBSPL-AU" ],
    "mnt_lower" : [ "MAINT-RBSPL-AU" ],
    "mnt_routes" : [ "MAINT-RBSPL-AU" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-08-12",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-RBSPL-AU",
    "address" : [ "Suite 16, 26 - 28 Verdun Drive, Narre Warren Victoria 3805" ],
    "street" : "Verdun Drive",
    "state" : "VICTORIA",
    "zip_code" : "3805",
    "email" : [ "abuse@retrac.com.au" ],
    "abuse_mailbox" : [ "abuse@retrac.com.au" ],
    "admin_contacts" : [ "RBSP1-AP" ],
    "tech_contacts" : [ "RBSP1-AP" ],
    "remarks" : [ "abuse@retrac.com.au was validated on 2026-06-29" ],
    "mnt_by" : [ "MAINT-RBSPL-AU" ],
    "date_updated" : "2026-06-29",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-RBSP2-AP",
    "name" : "Retrac Business Solutions Pty Ltd",
    "type" : "LIR",
    "address" : [ "Suite 16, 26 - 28 Verdun Drive" ],
    "street" : "Verdun Drive",
    "country" : [ "AU" ],
    "email" : [ "abuse@retrac.com.au" ],
    "phone" : [ "+61387941900" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2023-09-05",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "RBSP1-AP",
    "name" : "Retrac Business Solutions Pty Ltd administrator",
    "address" : [ "Suite 16, 26 - 28 Verdun Drive, Narre Warren Victoria 3805" ],
    "street" : "Verdun Drive",
    "state" : "VICTORIA",
    "zip_code" : "3805",
    "country" : "AU",
    "email" : [ "abuse@retrac.com.au" ],
    "phone" : [ "+61387941900" ],
    "fax_no" : [ "+61387941900" ],
    "admin_contacts" : [ "RBSP1-AP" ],
    "tech_contacts" : [ "RBSP1-AP" ],
    "mnt_by" : [ "MAINT-RBSPL-AU" ],
    "date_updated" : "2014-12-10",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "RBSP1-AP",
    "name" : "Retrac Business Solutions Pty Ltd administrator",
    "address" : [ "Suite 16, 26 - 28 Verdun Drive, Narre Warren Victoria 3805" ],
    "street" : "Verdun Drive",
    "state" : "VICTORIA",
    "zip_code" : "3805",
    "country" : "AU",
    "email" : [ "abuse@retrac.com.au" ],
    "phone" : [ "+61387941900" ],
    "fax_no" : [ "+61387941900" ],
    "admin_contacts" : [ "RBSP1-AP" ],
    "tech_contacts" : [ "RBSP1-AP" ],
    "mnt_by" : [ "MAINT-RBSPL-AU" ],
    "date_updated" : "2014-12-10",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AR1014-AP",
    "name" : "ABUSE RBSPLAU",
    "address" : [ "Suite 16, 26 - 28 Verdun Drive, Narre Warren Victoria 3805" ],
    "street" : "Verdun Drive",
    "state" : "VICTORIA",
    "zip_code" : "3805",
    "country" : "ZZ",
    "email" : [ "abuse@retrac.com.au" ],
    "abuse_mailbox" : [ "abuse@retrac.com.au" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "RBSP1-AP" ],
    "tech_contacts" : [ "RBSP1-AP" ],
    "remarks" : [ "Generated from irt object IRT-RBSPL-AU", "abuse@retrac.com.au was validated on 2026-06-29" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-06-29",
    "source" : "APNIC"
  } ]
}

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AS133881 – Retrac Business Solutions Pty Ltd

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