AS132029 Telstra Limited

ASN-TELSTRA-02 - Telstra Limited · registered in Australia

IPv4 addresses73,98421 prefixes · 0.002% of announced IPv4

Rank in Australia#44largest network in AU by IPv4 space, of 1,660 · 0.19% of AU

Rank worldwide#2,325of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryAustralia1,688 ASNs registered there

Open AS132029 in ASN lookup Look up an IP in this network (115.178.104.1) All networks in Australia

IPv4 prefixes

All 21 prefixes, in address order.

115.178.104.0/21
147.211.0.0/20
147.211.16.0/22
147.211.20.0/24
147.211.21.0/24
147.211.22.0/23
147.211.24.0/21
147.211.32.0/20
147.211.48.0/23
147.211.50.0/24
147.211.51.0/24
147.211.52.0/22
147.211.56.0/21
147.211.64.0/18
147.211.128.0/17
203.2.240.0/20
203.7.140.0/22
203.9.160.0/23
203.9.163.0/24
203.9.164.0/24
203.19.106.0/24

IPv6 prefixes

All 1 prefix.

2403:d500::/32

Other ASNs named Telstra Limited

2 other networks use the same organisation name; together with AS132029 they announce 13,460,480 IPv4 addresses.

ASNNameIPv4 addresses

AS1221ASN-TELSTRA - Telstra Limited AU13,386,240

AS133859TELSTRA-AS-AP - Telstra Limited AU256

Similar-sized networks in Australia

ASNNameIPv4 addresses

AS10148#41 UNIMELB-AS-AP - The University of Melbourne, Melbourne, Victoria78,336

AS9893#42 DSE-VIC-GOV-AS - Cenitex77,056

AS9723#43 ISEEK-AS-AP - iseek Communications Pty Ltd76,544

AS9509#45 DEWR-AS-AP - Department of Employment and Workplace Relations73,728

AS17983#46 COLES-AU-AS-AP - Coles Supermarkets Australia Pty Ltd73,728

AS134111#47 CSIRO-PAWSEY-AS-AP - Commonwealth Scientific and Industrial Research Organisation69,888

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources