AS1221
Telstra Limited
ASN
AS1221
Country
Australia
IPv4 addresses
13,392,128
Prefixes (IPv4 / IPv6)
255 / 20
ASN Information
- ASN Number
- AS1221
- AS Name
- Telstra Limited
- Country
- Australia
- IPv4 addresses
- 13,392,128
- IPv4 prefixes
- 255
- IPv6 prefixes
- 20
VPN & datacenter signals
None of this network's ranges appear in public VPN or datacenter lists.
Counted from public VPN and datacenter lists. Check individual IPs with the API.
Largest announced prefixes
- 1.128.0.0/11
- 58.160.0.0/12
- 124.176.0.0/12
- 121.208.0.0/12
- 101.176.0.0/12
- 60.224.0.0/13
- 120.144.0.0/13
- 110.144.0.0/13
- 101.168.0.0/13
- 1.120.0.0/13
Source: public routing and registration data, updated 2026-10-28.
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