AS1221

Telstra Corporation 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.

13,414,912 IP addresses
ASN1221
NameASN-TELSTRA
OrganizationTelstra Corporation Limited
CountryAustralia  
RegistryARIN
IPv4 addresses13,414,912
IPv6 /64 networks244
Prefixes329
Other ASN allocated to Telstra Corporation Limited
ASN Name IP addresses
135887 TELSTRA-BELONG-AP 821,248
37978 NETTAS-AS-AP 145,152
132029 ASN-TELSTRA-02 75,264
133859 TELSTRA-AS-AP 768
135313 TELSTRA-AS-AP 256
132292 ASN-TELSTRA-03 256
149288 TELSTRA-AS-AP 256
141886 TELSTRA-MAPS-AP 0
135599 TELSTRA-GLOBALCDC-AP 0
4632 TMNS-AS 0
135083 TELSTRA-AS-AP 0
135052 TELSTRA-AS-AP 0
133931 TELSTRA-AS-AP 0
9514 APIC-AP 0
150689 TELSTRA-AS-MOBILE-INTERCONNECT-AP 0
IPv4 Prefixes for AS1221 - showing the first 20 of 326 networks
Network Location Addresses
1.120.0.0/13 Telstra Internet   Melbourne 524,288
1.128.0.0/11 Telstra Corporation Limited   Brisbane 2,097,152
101.103.0.0/16 Telstra Internet   Sydney 65,536
101.160.0.0/11 Telstra Corporation Limited   Sydney 2,097,152
103.108.50.0/24 Telstra Corporation Limited   Oakleigh 256
103.122.4.0/24 Telstra Corporation Limited   Brisbane 256
103.129.227.0/24 Telstra Corporation Limited   Burswood 256
103.136.214.0/24 Telstra Corporation Limited   West Melbourne 256
103.136.215.0/24 Telstra Corporation Limited   West Melbourne 256
103.142.3.0/24 Telstra Corporation Limited   Gulgong 256
103.149.43.0/24 Telstra Corporation Limited   Cremorne 256
103.195.64.0/24 Telstra Corporation Limited   Zetland 256
103.198.92.0/24 Telstra Corporation Limited   Mulgrave 256
103.226.244.0/23 Telstra Corporation Limited   Newstead 512
103.227.111.0/24 Telstra Corporation Limited   Port Melbourne 256
103.247.118.0/23 Telstra Corporation Limited   Melbourne 512
103.247.118.0/24 Telstra Corporation Limited   Melbourne 256
103.247.119.0/24 Telstra Corporation Limited   Sydney 256
103.58.34.0/24 Sonichealthcare2   Brisbane 256
103.58.35.0/24 Sonichealthcare2   Perth 256
IPv6 Prefixes for AS1221
Network Location /64 Prefixes
2001:8000::/20 Telstra Corporation   Southport 244
2001:df0:201::/48 Telstra Corporation Limited   Melbourne 216
2401:a480::/48 Telstra Corporation Limited   Sydney 216