ASN AS23731 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS23731?

AS23731 is listed under Tibra Global Services.

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.

AS23731 Tibra Global Services

ASN Lookup Tool

Tibra Global Services tibra.com

AU 4 Routes

AS Data

AS23731

AS23731 – Tibra Global Services

AS Number	23731
AS Name	TGS-AS-AP
Organization	Tibra Global Services (org-tgs3-ap)
Country	AU
Website	tibra.com
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS23731 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
203.175.121.0/24	AS23731	Tibra Global Services	Tibra Global Services	256
203.175.123.0/24	AS23731	Tibra Global Services	Tibra Global Services	256
203.175.122.0/24	AS23731	Tibra Global Services	Tibra Global Services	256
203.175.120.0/24	AS23731	Tibra Global Services	Tibra Global Services	256

Raw Whois Response

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

% Information related to 'AS23552 - AS24575'

as-block:       AS23552 - AS24575
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
remarks:        AS23889 has been transfered to AfriNIC
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 'AS23701 - AS23772'

as-block:       AS23701 - AS23772
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:  2008-09-04T06:40:26Z
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 'AS23731'

% Abuse contact for 'AS23731' is 'comms@tibra.com'

aut-num:        AS23731
as-name:        TGS-AS-AP
descr:          Tibra Global Services
descr:          Suite 1701 Level 17 Westfield Tower 2
country:        AU
org:            ORG-TGS3-AP
admin-c:        TGSn1-AP
tech-c:         TGSn1-AP
abuse-c:        AT1011-AP
mnt-lower:      MAINT-TGS-AU
mnt-routes:     MAINT-TGS-AU
mnt-by:         APNIC-HM
mnt-irt:        IRT-TGS-AU
last-modified:  2020-05-26T23:14:02Z
source:         APNIC

irt:            IRT-TGS-AU
address:        Suite 1701 Level 17 Westfield Tower2 101 Grafton St
address:        Bondi Junction NSW 2022
e-mail:         comms@tibra.com
abuse-mailbox:  comms@tibra.com
admin-c:        TGSn1-AP
tech-c:         TGSn1-AP
auth:           # Filtered
remarks:        comms@tibra.com was validated on 2026-03-19
mnt-by:         MAINT-TGS-AU
last-modified:  2026-03-19T23:46:11Z
source:         APNIC

organisation:   ORG-TGS3-AP
org-name:       Tibra Global Services
org-type:       LIR
country:        AU
address:        108 Lawrence Hargrave Drive
phone:          +61-2-8669-1889
fax-no:         +61-2-9017-4567
e-mail:         comms@tibra.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2026-05-18T13:06:01Z
source:         APNIC

role:           ABUSE TGSAU
country:        ZZ
address:        Suite 1701 Level 17 Westfield Tower2 101 Grafton St
address:        Bondi Junction NSW 2022
phone:          +000000000
e-mail:         comms@tibra.com
admin-c:        TGSn1-AP
tech-c:         TGSn1-AP
nic-hdl:        AT1011-AP
remarks:        Generated from irt object IRT-TGS-AU
remarks:        comms@tibra.com was validated on 2026-03-19
abuse-mailbox:  comms@tibra.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-03-19T23:46:44Z
source:         APNIC

role:           TIBRA GLOBAL SERVICES - network administrator
address:        Suite 1701 Level 17 Westfield Tower2 101 Grafton St
address:        Bondi Junction NSW 2022
country:        AU
phone:          +61 2 8669 1889
fax-no:         +61 2 9017 4567
e-mail:         comms@tibra.com
admin-c:        TGSn1-AP
tech-c:         TGSn1-AP
nic-hdl:        TGSn1-AP
mnt-by:         MAINT-TGS-AU
last-modified:  2011-01-04T05:05:31Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-UK2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS23552 - AS24575",
    "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", "AS23889 has been transfered to AfriNIC" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "APNIC-HM" ],
    "date_updated" : "2009-09-29",
    "source" : "APNIC"
  }, {
    "as_block" : "AS23701 - AS23772",
    "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" : "2008-09-04",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS23731",
    "as_name" : "TGS-AS-AP",
    "description" : [ "Tibra Global Services", "Suite 1701 Level 17 Westfield Tower 2" ],
    "country" : "AU",
    "organization" : "ORG-TGS3-AP",
    "admin_contacts" : [ "TGSn1-AP" ],
    "tech_contacts" : [ "TGSn1-AP" ],
    "abuse_contacts" : [ "AT1011-AP" ],
    "mnt_irt" : [ "IRT-TGS-AU" ],
    "mnt_lower" : [ "MAINT-TGS-AU" ],
    "mnt_routes" : [ "MAINT-TGS-AU" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2020-05-26",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-TGS-AU",
    "address" : [ "Suite 1701 Level 17 Westfield Tower2 101 Grafton St", "Bondi Junction NSW 2022" ],
    "street" : "Grafton St",
    "state" : "NSW",
    "zip_code" : "2022",
    "email" : [ "comms@tibra.com" ],
    "abuse_mailbox" : [ "comms@tibra.com" ],
    "admin_contacts" : [ "TGSn1-AP" ],
    "tech_contacts" : [ "TGSn1-AP" ],
    "remarks" : [ "comms@tibra.com was validated on 2026-03-19" ],
    "mnt_by" : [ "MAINT-TGS-AU" ],
    "date_updated" : "2026-03-19",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-TGS3-AP",
    "name" : "Tibra Global Services",
    "type" : "LIR",
    "address" : [ "108 Lawrence Hargrave Drive" ],
    "street" : "Lawrence Hargrave Drive",
    "country" : [ "AU" ],
    "email" : [ "comms@tibra.com" ],
    "phone" : [ "+61-2-8669-1889" ],
    "fax_no" : [ "+61-2-9017-4567" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2026-05-18",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "TGSn1-AP",
    "name" : "TIBRA GLOBAL SERVICES - network administrator",
    "address" : [ "Suite 1701 Level 17 Westfield Tower2 101 Grafton St", "Bondi Junction NSW 2022" ],
    "street" : "Grafton St",
    "state" : "NSW",
    "zip_code" : "2022",
    "country" : "AU",
    "email" : [ "comms@tibra.com" ],
    "phone" : [ "+61 2 8669 1889" ],
    "fax_no" : [ "+61 2 9017 4567" ],
    "admin_contacts" : [ "TGSn1-AP" ],
    "tech_contacts" : [ "TGSn1-AP" ],
    "mnt_by" : [ "MAINT-TGS-AU" ],
    "date_updated" : "2011-01-04",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "TGSn1-AP",
    "name" : "TIBRA GLOBAL SERVICES - network administrator",
    "address" : [ "Suite 1701 Level 17 Westfield Tower2 101 Grafton St", "Bondi Junction NSW 2022" ],
    "street" : "Grafton St",
    "state" : "NSW",
    "zip_code" : "2022",
    "country" : "AU",
    "email" : [ "comms@tibra.com" ],
    "phone" : [ "+61 2 8669 1889" ],
    "fax_no" : [ "+61 2 9017 4567" ],
    "admin_contacts" : [ "TGSn1-AP" ],
    "tech_contacts" : [ "TGSn1-AP" ],
    "mnt_by" : [ "MAINT-TGS-AU" ],
    "date_updated" : "2011-01-04",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AT1011-AP",
    "name" : "ABUSE TGSAU",
    "address" : [ "Suite 1701 Level 17 Westfield Tower2 101 Grafton St", "Bondi Junction NSW 2022" ],
    "street" : "Grafton St",
    "state" : "NSW",
    "zip_code" : "2022",
    "country" : "ZZ",
    "email" : [ "comms@tibra.com" ],
    "abuse_mailbox" : [ "comms@tibra.com" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "TGSn1-AP" ],
    "tech_contacts" : [ "TGSn1-AP" ],
    "remarks" : [ "Generated from irt object IRT-TGS-AU", "comms@tibra.com was validated on 2026-03-19" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-03-19",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS58511	Anycast Global Backbone	AU
AS24482	SG.GS	SG
AS4764	Aussie Broadband	AU
AS64073	Vetta Group	NZ
AS63956	5G NETWORK OPERATIONS PTY LTD	AU
AS49915	Megaport (UK) Limited	GB
AS38880	Micron21 Datacentre Pty Ltd	AU
AS9280	Servers Australia Pty Ltd	AU
AS45437	Real World - The Core	AU
AS49915	Megaport UK Limited	GB
AS64073	VETTA TRADING LIMITED	NZ
AS9507	NextHop Pty Ltd	AU
AS35280	F5 Networks SARL	FR
AS36236	NetActuate, Inc	US
AS132847	Network Solutions Group Pty Ltd	AU
AS16276	OVH SAS	FR
AS136557	Host Universal Pty Ltd	AU
AS140627	OneQode	AU
AS7594	On Q	AU
AS137409	GSL Networks Pty LTD	AU
AS49544	i3D.net B.V	NL

Upstreams

AS Number	Description	Country
AS49915	Megaport UK Limited	GB
AS9507	NextHop Pty Ltd	AU
AS64073	VETTA TRADING LIMITED	NZ

Contacts

Email Contacts

comms@tibra.com

Abuse Contacts