AS1221

Telstra Limited

AS 1221 ASN-TELSTRA

Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

13,403,136 IP addresses
ASN1221
NameASN-TELSTRA
OrganizationTelstra Limited
CountryAustralia  
RegistryARIN
IPv4 addresses13,403,136
IPv6 /64 networks244
Prefixes284
Other ASN allocated to Telstra Limited
ASN Name IP addresses
135887 TELSTRA-BELONG-AP 754,432
132029 ASN-TELSTRA-02 75,264
133859 TELSTRA-AS-AP 256
4632 TMNS-AS 0
149288 TELSTRA-AS-AP 0
141886 TELSTRA-MAPS-AP 0
135599 TELSTRA-GLOBALCDC-AP 0
135083 TELSTRA-AS-AP 0
133931 TELSTRA-AS-AP 0
132292 ASN-TELSTRA-03 0
150689 TELSTRA-AS-CIR-AP 0
IPv4 Prefixes for AS1221 - showing the first 20 of 282 networks
Network Location Addresses
1.120.0.0/13 Telstra Internet   Melbourne 524,288
1.128.0.0/11 Telstra Limited   Brisbane 2,097,152
101.103.0.0/16 Telstra Internet   Sydney 65,536
101.160.0.0/11 Telstra Limited   Townsville City Center 2,097,152
103.136.214.0/24 Telstra Limited   West Melbourne 256
103.136.215.0/24 Telstra Limited   West Melbourne 256
103.149.43.0/24 Telstra Limited   Cremorne 256
103.195.64.0/24 Telstra Limited   Zetland 256
103.226.244.0/23 Telstra Limited   Newstead 512
103.247.118.0/23 Telstra Limited   Melbourne 512
103.247.118.0/24 Telstra Limited   Melbourne 256
103.247.119.0/24 Telstra Limited   Sydney 256
103.58.212.0/24 OneNet Limited   Zetland 256
103.58.34.0/24 Sonichealthcare2   Woolloongabba 256
103.58.35.0/24 Sonichealthcare2   Perth 256
103.78.241.0/24 Telstra Limited   Sydney 256
110.140.0.0/15 Telstra Internet   Nyngan 131,072
110.142.0.0/16 Telstra Internet   Woolloongabba 65,536
110.143.0.0/16 Telstra Internet   Sydney 65,536
110.144.0.0/13 Telstra Limited   Melbourne 524,288
IPv6 Prefixes for AS1221
Network Location /64 Prefixes
2001:8000::/20 Telstra Corporation   Sydney 244
2401:a480::/48 Telstra Limited   Woolloongabba 216