ASN Lookup Tool

Telstra Limited telstra.net AU AU 288 Routes

AS Data

AS1221

AS1221Telstra Limited

AS Number 1221
AS Name ASN-TELSTRA
Organization Telstra Limited(org-tc6-ap)
Country AU
Website telstra.net
Number of IPv4 Routes 286
Number of IPv6 Routes 2
ASN type ISP
Registry APNIC
Date Allocated N/A

ASN Intelligence API for production workflows

Use ASN data for AS1221 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

IP Ranges

Route # IPs
203.30.201.0/24 256
203.34.68.0/24 256
203.14.0.0/20 4096
203.22.150.0/24 256
203.40.0.0/13 524288
146.144.9.0/24 256
203.25.248.0/24 256
203.21.195.0/24 256
144.131.0.0/16 65536
203.21.63.0/24 256

Raw Whois Response

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

% Information related to 'AS1221'

% Abuse contact for 'AS1221' is 'abuse@telstra.net'

aut-num:        AS1221
as-name:        ASN-TELSTRA
descr:          Telstra Limited
country:        AU
remarks:        AS assigned by the former InterNIC
org:            ORG-TC6-AP
admin-c:        TIAR-AP
tech-c:         TAN2-AP
abuse-c:        AT1005-AP
mnt-by:         APNIC-HM
mnt-lower:      MAINT-AU-TIAR-AP
mnt-routes:     MAINT-AU-TIAR-AP
mnt-irt:        IRT-TELSTRA-AU
last-modified:  2024-05-03T08:07:36Z
source:         APNIC

irt:            IRT-TELSTRA-AU
address:        Telstra Internet
e-mail:         abuse@telstra.net
abuse-mailbox:  abuse@telstra.net
admin-c:        TIAR-AP
tech-c:         TIAR-AP
auth:           # Filtered
remarks:        abuse@telstra.net was validated on 2026-01-26
mnt-by:         MAINT-AU-TIAR-AP
last-modified:  2026-01-26T01:19:20Z
source:         APNIC

organisation:   ORG-TC6-AP
org-name:       Telstra Limited
org-type:       LIR
country:        AU
address:        242 Exhibition Street
e-mail:         corporateaddressing@team.telstra.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2024-12-06T08:30:50Z
source:         APNIC

role:           ABUSE TELSTRAAU
country:        ZZ
address:        Telstra Internet
phone:          +000000000
e-mail:         abuse@telstra.net
admin-c:        TIAR-AP
tech-c:         TIAR-AP
nic-hdl:        AT1005-AP
remarks:        Generated from irt object IRT-TELSTRA-AU
remarks:        abuse@telstra.net was validated on 2026-01-26
abuse-mailbox:  abuse@telstra.net
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-26T01:19:29Z
source:         APNIC

role:           Telstra AU NOC
address:        Telstra Internet
address:        242 Exhibition Street
address:        Melbourne
address:        VIC 3000
country:        AU
phone:          +61 3 8650 3305
e-mail:         ipnoc-au@team.telstra.com
admin-c:        TIAR-AP
tech-c:         TIAR-AP
nic-hdl:        TAN2-AP
mnt-by:         MAINT-AU-TIAR-AP
last-modified:  2025-11-26T05:11:17Z
source:         APNIC

person:         Telstra Internet Address Registry
address:        Telstra Internet
address:        242 Exhibition St
address:        Melbourne
address:        VIC 3000
country:        AU
phone:          +61 000000000
e-mail:         addressing@telstra.net
nic-hdl:        TIAR-AP
remarks:        Telstra Internet Address Registry Role Object
mnt-by:         MAINT-AU-TIAR-AP
last-modified:  2021-12-09T22:28:56Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-US2)



#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       1221
ASName:         APNIC-1221
ASHandle:       AS1221
RegDate:        2002-09-11
Updated:        2009-10-08
Comment:        This AS number is not registered in the ARIN database.
Comment:        For details, refer to the APNIC Whois Database via
Comment:        WHOIS.APNIC.NET or http://wq.apnic.net/apnic-bin/whois.pl    
Ref:            https://rdap.arin.net/registry/autnum/1221

ResourceLink:  https://apps.db.ripe.net/db-web-ui/query
ResourceLink:  whois.apnic.net


OrgName:        Asia Pacific Network Information Centre
OrgId:          APNIC
Address:        PO Box 3646
City:           South Brisbane
StateProv:      QLD
PostalCode:     4101
Country:        AU
RegDate:        
Updated:        2012-01-24
Ref:            https://rdap.arin.net/registry/entity/APNIC

ReferralServer:  whois://whois.apnic.net
ResourceLink:  http://wq.apnic.net/whois-search/static/search.html

OrgAbuseHandle: AWC12-ARIN
OrgAbuseName:   APNIC Whois Contact
OrgAbusePhone:  +61 7 3858 3188 
OrgAbuseEmail:  search-apnic-not-arin@apnic.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AWC12-ARIN

OrgTechHandle: AWC12-ARIN
OrgTechName:   APNIC Whois Contact
OrgTechPhone:  +61 7 3858 3188 
OrgTechEmail:  search-apnic-not-arin@apnic.net
OrgTechRef:    https://rdap.arin.net/registry/entity/AWC12-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS141229 Peter Warren Automotive Holdings AU
AS138484 Hays Specialist Recruitment Australia Pty Ltd AU
AS38880 Micron21 Datacentre Pty Ltd AU
AS13631 CITADEL ENTERPRISE AMERICAS LLC US
AS140694 Northern Technology Solutions AU
AS150680 NSW Fire Brigades AU
AS139341 ACEVILLE PTE.LTD. SG
AS136008 Wilson Parking Australia 1992 PTY LTD AU
AS133081 State Revenue Office Victoria AU
AS703 Verizon Business US

Upstreams

AS Number Description Country
AS10026 Telstra International Limited JP
AS7474 SingTel Optus Pty Ltd AU
AS149515 ChannelCo. AU
AS35280 F5 Networks SARL FR
AS38561 NTT Australia Solutions Pty Ltd AU
AS2764 AAPT Limited AU
AS56294 VMvault Pty Ltd AU
AS4637 Telstra International Limited HK
AS3356 Level 3 Parent, LLC US
AS38195 SUPERLOOP AUSTRALIA PTY LTD AU

Downstreams

AS Number Description Country
AS141229 Peter Warren Automotive Holdings AU
AS138484 Hays Specialist Recruitment Australia Pty Ltd AU
AS138209 Programmed Maintenance Services Limited AU
AS13631 CITADEL ENTERPRISE AMERICAS LLC US
AS138206 Bank First AU
AS134463 Karara Mining Limited AU
AS140694 Northern Technology Solutions AU
AS24120 AEMO Australian Energy Market Operator Limited AU
AS150680 NSW Fire Brigades AU
AS4801 Intek Pty Ltd AU

Contacts

Legacy Routes

Ready to get started?Get Started with IP Intelligence API Today

CTA Illustration

Frequently Asked Questions

ASN AS1221 is an Autonomous System Number used to identify a network for BGP internet routing.
AS1221 is listed under Telstra Limited.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.