LAYER3 INTEL
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Data as of Nov 9, 2026

203.100.224.0/19

No anonymizer space · no proxy exits in 30 days

Telstra Limited

Announcement
this exact prefix
RPKI valid
Announced by
AS1221
Type
Residential
Risk
0 / 100 · Low

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
203.100.224.0/198,192TELSTRAINTERNET-AUTelstra Limited (ORG-TC6-AP) · AUALLOCATED PORTABLE—abuse@telstra.net
└ 203.100.224.0/204,096TELSTRAGLOBALunknownALLOCATED NON-PORTABLE—abuse@telstra.net
└ 203.100.228.0/298CUST-6203349Techno PhobiaASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.228.8/298CUST-6202570Koyo Australia Pty ltdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.228.16/298CUST-6005833Pacific Internet Technical Support ADSL Test AccountASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.228.24/298CUST-6173945Montague Cold Storage Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.228.32/298CUST-6209493Thomas Cook Boot & Clothing Co P/LASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.228.56/298CUST-6210359Supertech Project ManagementASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.228.64/2816CUST-6211640Vanessa MaddenASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.228.80/298CUST-6018706David VidosASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.228.88/298CUST-6213043ReiverNet Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.228.96/2816CUST-6209861Neiger Nominees Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.239.0/298CUST-5957646Relate Systems Consultants Ptd LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.239.16/298CUST-6048475N F Lee & Co Pty Ltd T/A Bing Lee RockdaleASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.239.24/298CUST-6048474KTT Electrical Pty Ltd T/A Bing Lee Castle HillASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.239.32/298CUST-6161055Ocean Beach Holiday ParkASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.239.104/298CUST-5947787Graeme PattingaleASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.239.120/298CUST-6151309Kingloc Commercial Equipment Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.239.144/298CUST-6022642Tennent, Isokangas P/LASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.239.176/2816CUST-6043208Technology Gone WildASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.239.192/2664CUST-6010607Technology Help Centre Pty Ltd (RNTEC9)ASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.240.0/204,096TELSTRAGLOBALunknownALLOCATED NON-PORTABLE—abuse@telstra.net
└ 203.100.242.8/298CUST-6143229Translink Operations Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.242.16/298CUST-6170769UnitingCare Harrison Community ServicesASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.242.24/298CUST-6171816Xenon Systems Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.242.32/2816CUST-6196283Gigabit ItASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.242.48/2816CUST-6184876Generation-eASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.242.64/298CUST-6150154Channel Enablers Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.242.80/298CUST-6211074Gippsland Group Training - Apprenticeships VictoriaASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.242.88/298CUST-6037930MatrikonASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.242.96/2816CUST-6154631Summit Investment Australia Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.242.120/298CUST-5928628Total CommunicationsASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.242.128/2816CUST-6156246Doncaster BMWASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.242.144/2816CUST-5965720Satellite TelemetryASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.242.160/298CUST-6161392Digital Peripherals Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.242.168/298CUST-6161772Control Microsystems Asia Pacific P/LASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.242.176/2816CUST-6163549Birrell Motors GroupASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.242.192/2816CUST-6162610KSS Unit TrustASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.242.208/2816CUST-6164431Westcorp Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.242.224/298CUST-6171297Alan Mance MotorsASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.242.232/298CUST-6050423William ArchbaldASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.242.240/2816CUST-6174688Globalnet Solutions AustraliaASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.243.0/2732CUST-6034830Alan Mance MotorsASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.243.40/298CUST-6036867Turbocor IncASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.243.48/298CUST-6208878Montague Cold Storage Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.243.56/298CUST-5997711Lending Technology Services Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.243.64/2732CUST-6043068Kinetic Data Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.243.96/298CUST-6048303Romtree Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.243.104/298CUST-6209057Jesuit PublicationsASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.243.112/2816CUST-6049846ReiverNet Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.243.128/2816CUST-6041930Alan Mance MotorsASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.243.144/2816CUST-6046947Xenon Systems Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.243.160/298CUST-6142133Virus Defence Bureau Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.243.168/298CUST-6014115Tortoise Logic Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.243.176/2816CUST-6140410Par Leasing P/LASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.243.192/2816CUST-6008831Techlink Communications P/LASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.243.208/298CUST-6156069Cubit Media Research Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.243.216/298CUST-6044755Meadows & CompanyASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.243.224/298CUST-6010181FRH Group Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.243.240/298CUST-6008153HGC AustraliaASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.248.8/298CUST-5859107Sola Australia Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.248.104/298CUST-6049527Breville Pty LimitedASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.249.16/298CUST-6163545DBM Australia LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.250.0/298CUST-6004563E FutureASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.250.8/298CUST-6180839Dovuro Seeds Pty. LimitedASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.250.16/298CUST-6180815Seaway AgenciesASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.250.24/298CUST-6180905ReiverNet Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.250.40/298CUST-6185179Guess Australia Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.250.48/298CUST-6185330Marco PavincichASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.250.56/298CUST-6184993ReiverNet Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.250.64/298CUST-6002781Media & Communication Services Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.250.80/2816CUST-6185794Dataline Networks Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.250.96/298CUST-6186019ReiverNet Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.250.104/298CUST-6186223Elliot Australia Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.250.120/298CUST-6189299ReiverNet Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.250.128/2732CUST-6186057Bayside Business CenterASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.250.160/298CUST-6031854ICE Corporation LimitedASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.250.168/298CUST-6190779East Gippsland Shire CouncilASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.250.176/298CUST-6192432Peter Rowland CateringASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.250.184/298CUST-6195942Pacific Internet IP Dial PoolsASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.250.208/2816CUST-6192629D & D MailingASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.250.224/2816CUST-6200430Australian Kidney FoundationASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.250.240/298CUST-6194572Tenix Defence Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.251.0/298CUST-6052077ReiverNet Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.251.8/298CUST-6052076ReiverNet Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.251.16/298CUST-5941199Noojee SoftwareASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.251.32/298CUST-5973677Computers DandenongASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.251.40/298CUST-6011262Akron Roads P/LASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.251.48/2816CUST-6140125O'Connors (Shepparton) Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.251.64/298CUST-6140685Casbah Resources Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.251.72/298CUST-6140929Fierce Internet SolutionsASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.251.80/298CUST-6001668Alphawest Services Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.251.88/298CUST-6138405Westgate Graphics Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.251.120/298CUST-6144248Fairbanks Enviromental Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.251.128/298CUST-5952836Michael CiminoASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.251.136/298CUST-6015437Dean World Cargo Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.251.144/298CUST-6154632Summit Investment Australia Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.251.152/298CUST-6192438Arrow Laboratories LimitedASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.251.160/298CUST-6017728Green Light ComputingASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.251.168/298CUST-6010988Nunawading Adventist CollegeASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.251.176/298CUST-6010842Steritech Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.251.184/298CUST-6012077Victoria Wool ProcessesASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.251.192/298CUST-6242428Quantum Market ResearchASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.251.208/298CUST-6039288Acromet (Aust) Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.252.40/298CUST-6141514Festival Mushroom Records Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.252.48/2816CUST-6149067Pacific Strategy PartnersASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.252.72/298CUST-6031558Greg Sword on behalf of National Union of Workers Federal OfficeASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.252.96/2816CUST-6203727Blue Apache Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.252.176/298CUST-6158233JAS Forwarding Worldwide Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.252.224/2732CUST-6157249IT & E LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.253.0/298CUST-6164098CNC Design Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.253.8/298CUST-6164709Technology and Future Concepts Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.253.48/298CUST-6137536Provisioning Team Pacific InternetASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.253.64/2732CUST-6173614Health Super Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.253.104/298CUST-6184421Emerging I.T. Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.253.112/298CUST-6181708YHA VictoriaASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.253.128/298CUST-6043800Digital Motorworks Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.253.136/298CUST-6043800Digital Motorworks Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.253.144/298CUST-6211590Tristalee Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.253.176/2816CUST-6213387Total Tel InternationalASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.253.192/2816CUST-6207618Convergys Solutions (Australia) Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.253.208/298CUST-6231351In Vivo Communications Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.254.0/298CUST-6187167Pacific Asia Express Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.254.16/298CUST-6031722AVEM Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.254.80/298CUST-6194367Digital Motorworks Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.254.88/298CUST-6163527DBM Australia LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.254.96/2816CUST-6045679Fast Art Bureau Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.254.128/2816CUST-6046866Tim BlizardASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.254.144/298CUST-6049160Breville Pty LimitedASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.254.160/298CUST-6044510Voice PerfectASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.254.168/298CUST-6135289Clark RubberASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.254.192/298CUST-6140153Uniting Care Community OptionsASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.254.208/2816CUST-6137157MPA Systems Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.255.0/2816CUST-6194935Ezipin Group Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.255.24/298CUST-6142884Pyxis Australia Pty Ltd T/A Call Time SolutionsASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.255.56/298CUST-6022644APESMAASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.255.88/298CUST-6199665Sweeney Research Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.255.104/298CUST-6027758National Tax and Accountants AssociationASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.255.120/298CUST-6028202AFL Players' AssociationASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.255.128/298CUST-6051487Collins Booksellers Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.255.152/298CUST-6042655Pacific Internet (Hong Kong) LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.255.168/298CUST-6020633Teamworks Retail Services Pty LtdASSIGNED NON-PORTABLE—abuse@telstra.net
└ 203.100.255.232/298CUST-6157981Tim DawsonASSIGNED NON-PORTABLE—abuse@telstra.net

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS1221

AU
Name
Telstra Limited
Type
Internet provider
Registered
Jan 31, 2000
Domain
telstra.com.au
Website
www.telstra.com.au/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed