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Data as of Nov 9, 2026

203.100.243.104/29

No anonymizer space · no proxy exits in 30 days

Telstra Limited

Announcement
203.100.224.0/19
RPKI valid
Announced by
AS1221
Type
Residential
Risk
0 / 100 · Low

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
203.100.224.0/198,192TELSTRAINTERNET-AUTelstra Limited (ORG-TC6-AP) · AUALLOCATED PORTABLE—abuse@telstra.net
└ 203.100.240.0/204,096TELSTRAGLOBALunknownALLOCATED NON-PORTABLE—abuse@telstra.net
└ 203.100.243.104/298CUST-6209057Jesuit PublicationsASSIGNED NON-PORTABLE—abuse@telstra.net

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 203.100.224.0/19

Prefix
203.100.224.0/19
Announced by
AS1221 Telstra Limited
Type
Residential
RPKI
RPKI valid
Netname
TELSTRAINTERNET-AU
Registrant
Telstra Limited
RIR
APNIC
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