AS1221

Name: AS1221 — Telstra Limited
Creator: ipdex

Telstra Limited Unknown registered in Australia

281IPv4 prefixes

2IPv6 prefixes

44%RPKI-valid

#63AS Rank

#11Rank in Australia

2000-01-31Allocated

Telstra Limited (AS1221) — Unknown, registered in Australia. announces 281 IPv4 prefixes + 2 IPv6 prefixes. Rank in Australia: #11. Allocated: 2000-01-31.

IPv4 281IPv6 2

Announced prefixes · 283

v4 1.120.0.0/13 valid
v4 1.128.0.0/11 valid
v4 101.103.0.0/16 valid
v4 101.160.0.0/11 valid
v4 103.136.214.0/24 unknown
v4 103.136.215.0/24 unknown
v4 103.149.43.0/24 valid
v4 103.195.64.0/24 unknown
v4 103.226.244.0/23 unknown
v4 103.247.118.0/23 valid
v4 103.247.118.0/24 valid
v4 103.247.119.0/24 valid
v4 103.58.212.0/24 valid
v4 103.58.34.0/24 unknown
v4 103.58.35.0/24 unknown
v4 103.78.241.0/24 valid
v4 110.140.0.0/15 valid
v4 110.142.0.0/16 valid
v4 110.143.0.0/16 valid
v4 110.144.0.0/13 valid
v4 120.144.0.0/13 valid
v4 120.152.0.0/14 valid
v4 120.156.0.0/15 valid
v4 120.158.0.0/16 valid
v4 121.208.0.0/12 valid
v4 122.200.24.0/23 unknown
v4 123.209.0.0/16 valid
v4 123.210.0.0/15 valid
v4 124.176.0.0/12 valid
v4 125.255.0.0/16 valid
v4 129.41.78.0/24 unknown
v4 136.238.200.0/24 unknown
v4 137.147.0.0/16 valid
v4 138.130.0.0/16 valid
v4 138.217.0.0/16 valid
v4 139.130.0.0/16 valid
v4 139.134.0.0/16 valid
v4 139.168.0.0/16 valid
v4 143.223.18.0/24 unknown
v4 143.223.87.0/24 unknown
v4 143.238.0.0/16 valid
v4 144.130.0.0/17 valid
v4 144.130.144.0/20 valid
v4 144.130.160.0/19 valid
v4 144.130.192.0/18 valid
v4 144.131.0.0/16 valid
v4 144.132.0.0/14 valid
v4 144.136.0.0/15 valid
v4 144.139.0.0/16 valid
v4 144.140.0.0/16 valid

RPKI: rpki.cloudflare.com · 2026-06-17

— Routing status unavailable

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	284
2026-06-13	284
2026-06-14	283

Facilities · 3

3 Facilities · 1 Countries

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AS1221

Announced prefixes · 283

Prefix history

Facilities · 3

AS topology · Customer cone 1,064

Providers · 2

Peers · 11

Customers · 292

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