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 146.144.9.0/24 unknown
v4 147.69.0.0/16 valid
v4 149.135.0.0/16 valid
v4 149.176.112.0/24 unknown
v4 149.176.116.0/24 unknown
v4 149.176.172.0/24 unknown
v4 149.176.221.0/24 unknown
v4 149.176.223.0/24 unknown
v4 149.176.225.0/24 unknown
v4 149.176.226.0/24 unknown
v4 149.176.227.0/24 unknown
v4 149.176.244.0/24 unknown
v4 149.176.246.0/24 unknown
v4 149.176.248.0/24 unknown
v4 149.176.250.0/24 unknown
v4 149.176.251.0/24 unknown
v4 149.176.252.0/24 unknown
v4 149.176.253.0/24 unknown
v4 149.176.254.0/24 unknown
v4 149.176.255.0/24 unknown
v4 156.22.1.0/24 unknown
v4 156.22.2.0/24 unknown
v4 158.146.145.0/24 unknown
v4 158.146.152.0/24 unknown
v4 158.45.0.0/22 unknown
v4 158.45.100.0/24 unknown
v4 158.45.104.0/24 unknown
v4 158.45.112.0/24 unknown
v4 158.45.116.0/24 unknown
v4 158.45.120.0/24 unknown
v4 158.45.13.0/24 unknown
v4 158.45.14.0/24 unknown
v4 158.45.60.0/22 unknown
v4 159.222.184.0/24 unknown
v4 160.187.61.0/24 unknown
v4 164.108.10.0/24 unknown
v4 164.108.104.0/24 unknown
v4 164.108.12.0/24 unknown
v4 164.108.13.0/24 unknown
v4 164.108.17.0/24 unknown
v4 164.108.181.0/24 unknown
v4 164.108.24.0/22 unknown
v4 164.108.9.0/24 unknown
v4 165.228.0.0/16 valid
v4 168.233.31.0/24 unknown
v4 180.94.27.0/24 unknown
v4 192.111.105.0/24 valid
v4 192.131.150.0/24 unknown
v4 192.148.116.0/22 valid
v4 192.148.120.0/21 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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