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Telstra IP Ranges

Telstra is a consumer and business internet provider. Its network is registered under AS1221 with APNIC, and it announces 283 IPv4 prefixes to the global routing table.

ISP
Provider
Telstra
Primary ASN
AS1221
Category
ISP
Headquarters
Melbourne, Australia
Announced IPv4 prefixes
283
Registry
APNIC

By: Katia Belokon · Verified July 2026

IP Geolocation LookupWHOIS LookupVPN Leak Test

Known IP ranges

These prefixes are currently announced to the global routing table by AS1221 (ASN-TELSTRA - Telstra Limited). Prefix sets change over time - use WHOIS Lookup for the authoritative record on any specific address.

101.160.0.0/11
1.128.0.0/11
124.176.0.0/12
58.160.0.0/12
121.208.0.0/12
60.224.0.0/13
203.40.0.0/13
120.144.0.0/13
1.120.0.0/13
110.144.0.0/13
2001:8000::/20
2401:a480::/48 (IPv6)

What does a Telstra IP mean in a privacy test?

Seeing a Telstra IP address as your visible address means you are connecting directly through your Telstra line with no VPN active. If you expected a VPN exit, this tells you the tunnel is not carrying your traffic.

Related tools

IP Geolocation LookupLook up any Telstra IP for location and ASN data.WHOIS LookupView the registered CIDR block for any address.VPN Leak TestCheck if your VPN is leaking your real IP, DNS or WebRTC data.AS1221 network detailsRegistry data for this autonomous system.DNS Leak TestSee which resolver answers your DNS queries.What Is an ASN?How autonomous systems identify networks.

Frequently asked questions

What IP ranges does Telstra use?

Telstra announces 283 IPv4 prefixes and 2 IPv6 prefixes under AS1221. Larger blocks include 101.160.0.0/11, 1.128.0.0/11, 124.176.0.0/12. The full current list is published by APNIC, and prefixes change as the network grows.

Why does a Telstra IP appear in my privacy test?

Seeing a Telstra IP address as your visible address means you are connecting directly through your Telstra line with no VPN active. If you expected a VPN exit, this tells you the tunnel is not carrying your traffic.

How large is the Telstra network?

By CAIDA's AS Rank, AS1221 reaches 837 networks through its customer cone, covering roughly 255.7 million IPv4 addresses. That places it at global rank 75 among all autonomous systems.

How do I look up a Telstra IP address?

Enter the address in the MyIPScan IP Geolocation Lookup. Addresses in this network return AS1221 (ASN-TELSTRA - Telstra Limited). WHOIS Lookup shows the registered CIDR block for any specific address.

What ASN does Telstra use?

Telstra operates AS1221, registered with APNIC and held by ASN-TELSTRA - Telstra Limited. In a privacy test this ASN is what identifies traffic as belonging to their network.