AS1221 Telstra Limited 🇦🇺 AU

Announcing 280 prefixes, seen at the RIS collectors.

IPv4 prefixes
278
13,402,112 (52,352 × /24)
IPv6 prefixes
2
4,096 × /32
Upstreams
3
transit providers observed
Peers
2
settlement-free adjacencies
Downstreams
290
transit customers observed
Customer cone
26,870
ASes reachable through it

Registry and operator data

AS number
AS1221
Name
Telstra Limited
Organisation
Telstra Corporation Ltd
Country
🇦🇺 AU
RIR
APNIC
Allocated
2000-01-31
Scope
Australia
Peering policy
Selective
IRR as-set
APNIC::AS1221:AS-TELSTRA
PeeringDB
net/19777
Facilities
3

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

127 valid (45.4%) 0 invalid (0.0%) 153 no ROA (54.6%)

Announcement history

One point per day, recorded at each table import

07114221328409-1809-2710-0610-1510-2411-0211-10
IPv4 IPv6

Recorded changes

New prefixes and origin changes seen on the live stream

WhenChangePrefixOriginPath
2026-11-10 19:42:19Z origin change 159.222.184.0/24 AS1221 → AS38882 3288403277271743257747438882
2026-11-10 19:41:54Z origin change 160.187.61.0/24 AS1221 → AS136734 32884032772717448262764136734
2026-11-10 19:41:29Z origin change 148.80.1.0/24 AS1221 → AS4826 32884032772717433564826
2026-11-10 14:21:30Z origin change 159.222.184.0/24 AS38882 → AS1221 213241900246371221
2026-11-10 14:21:30Z origin change 148.80.1.0/24 AS4826 → AS1221 213241900246371221
2026-11-10 13:15:12Z origin change 159.222.184.0/24 AS1221 → AS38882 503003257747438882
2026-11-10 13:14:34Z origin change 159.222.184.0/24 AS38882 → AS1221 50300335646371221
2026-11-10 13:14:33Z origin change 160.187.61.0/24 AS136734 → AS1221 50300325746371221
2026-11-10 10:50:39Z origin change 159.222.184.0/24 AS1221 → AS38882 3288403277271743257747438882
2026-11-10 10:50:12Z origin change 160.187.61.0/24 AS1221 → AS136734 32884032772717448262764136734
2026-11-10 10:49:45Z origin change 148.80.1.0/24 AS1221 → AS4826 32884032772717433564826
2026-11-10 09:44:23Z origin change 159.222.184.0/24 AS38882 → AS1221 213241900246371221
2026-11-10 09:43:19Z origin change 148.80.1.0/24 AS4826 → AS1221 213241900246371221
2026-11-10 09:13:46Z origin change 159.222.184.0/24 AS1221 → AS38882 503003257747438882
2026-11-10 09:13:09Z origin change 159.222.184.0/24 AS38882 → AS1221 50300335646371221
2026-11-10 09:02:07Z origin change 159.222.184.0/24 AS1221 → AS38882 503003257747438882
2026-11-10 03:18:47Z origin change 148.80.1.0/24 AS4826 → AS1221 59919900246371221
2026-11-10 03:18:47Z origin change 159.222.184.0/24 AS38882 → AS1221 59919900246371221
2026-11-10 03:18:47Z origin change 160.187.61.0/24 AS136734 → AS1221 59919900246371221
2026-11-10 03:10:01Z origin change 159.222.184.0/24 AS1221 → AS38882 3288403277271743257747438882
2026-11-10 03:09:34Z origin change 160.187.61.0/24 AS1221 → AS136734 32884032772717448262764136734
2026-11-10 03:09:08Z origin change 148.80.1.0/24 AS1221 → AS4826 32884032772717433564826
2026-11-10 03:01:34Z origin change 148.80.1.0/24 AS4826 → AS1221 59919900246371221
2026-11-10 03:01:34Z origin change 159.222.184.0/24 AS38882 → AS1221 59919900246371221
2026-11-10 03:01:34Z origin change 160.187.61.0/24 AS136734 → AS1221 59919900246371221
2026-11-10 03:00:40Z origin change 160.187.61.0/24 AS1221 → AS136734 599191277917448262764136734
2026-11-10 03:00:39Z origin change 159.222.184.0/24 AS1221 → AS38882 599191277964617473747438882
2026-11-10 03:00:38Z origin change 148.80.1.0/24 AS1221 → AS4826 599191277929144826
2026-11-10 02:42:07Z origin change 148.80.1.0/24 AS4826 → AS1221 59919900246371221
2026-11-10 02:42:07Z origin change 159.222.184.0/24 AS38882 → AS1221 59919900246371221
2026-11-10 02:42:07Z origin change 160.187.61.0/24 AS136734 → AS1221 59919900246371221
2026-11-10 02:37:35Z origin change 159.222.184.0/24 AS1221 → AS38882 599191277964617473747438882
2026-11-10 02:37:35Z origin change 160.187.61.0/24 AS1221 → AS136734 599191277917448262764136734
2026-11-10 02:37:33Z origin change 148.80.1.0/24 AS1221 → AS4826 599191277929144826
2026-11-10 02:12:46Z origin change 148.80.1.0/24 AS4826 → AS1221 59919900246371221
2026-11-10 02:12:46Z origin change 159.222.184.0/24 AS38882 → AS1221 59919900246371221
2026-11-10 02:12:46Z origin change 160.187.61.0/24 AS136734 → AS1221 59919900246371221
2026-11-10 01:12:52Z origin change 159.222.184.0/24 AS1221 → AS38882 599191277964617473747438882
2026-11-10 01:12:52Z origin change 160.187.61.0/24 AS1221 → AS136734 599191277917448262764136734
2026-11-09 10:29:25Z origin change 159.222.184.0/24 AS38882 → AS1221 3333125746371221
2026-11-09 09:14:03Z origin change 160.187.61.0/24 AS136734 → AS1221 22652325746371221
2026-11-09 07:46:54Z new prefix 164.108.182.0/24 AS1221 Telstra Limited 20409234019291693528033561221
2026-11-08 17:52:15Z origin change 160.187.61.0/24 AS1221 → AS136734 32884032772717448262764136734
2026-11-08 17:52:01Z origin change 159.222.184.0/24 AS1221 → AS38882 3288403277271743257747438882
2026-11-08 11:58:48Z origin change 160.187.61.0/24 AS136734 → AS1221 20409234019330346371221
2026-11-08 11:58:48Z origin change 159.222.184.0/24 AS38882 → AS1221 20409234019330346371221
2026-11-08 04:39:09Z origin change 160.187.61.0/24 AS1221 → AS136734 32884032772717448262764136734
2026-11-08 04:38:31Z origin change 159.222.184.0/24 AS1221 → AS38882 3288403277271743257747438882
2026-11-07 22:05:03Z origin change 159.222.184.0/24 AS38882 → AS1221 55720693946371221
2026-11-07 22:05:03Z origin change 160.187.61.0/24 AS136734 → AS1221 55720693946371221
2026-11-06 17:12:14Z origin change 160.187.61.0/24 AS1221 → AS136734 32884032772717448262764136734
2026-11-06 17:12:09Z origin change 159.222.184.0/24 AS1221 → AS38882 3288403277271743257747438882
2026-11-05 21:10:53Z origin change 159.222.184.0/24 AS38882 → AS1221 4943221551048362900246371221
2026-11-05 19:32:10Z origin change 160.187.61.0/24 AS136734 → AS1221 5782112586325746371221
2026-11-04 20:45:30Z origin change 160.187.61.0/24 AS1221 → AS136734 20649934549129948262764136734
2026-11-04 20:45:29Z origin change 159.222.184.0/24 AS1221 → AS38882 2064993454964617473747438882
2026-11-04 20:18:50Z origin change 159.222.184.0/24 AS38882 → AS1221 55720693946371221
2026-11-04 20:18:50Z origin change 160.187.61.0/24 AS136734 → AS1221 55720693946371221
2026-11-04 16:15:32Z origin change 160.187.61.0/24 AS1221 → AS136734 32884032772717448262764136734
2026-11-04 16:15:28Z origin change 148.80.1.0/24 AS1221 → AS4826 32884032772717433564826
2026-11-04 16:15:27Z origin change 159.222.184.0/24 AS1221 → AS38882 3288403277271743257747438882
2026-11-04 15:30:38Z origin change 160.187.61.0/24 AS136734 → AS1221 213241900246371221
2026-11-04 15:30:38Z origin change 159.222.184.0/24 AS38882 → AS1221 213241900246371221
2026-11-04 15:30:38Z origin change 148.80.1.0/24 AS4826 → AS1221 213241900246371221
2026-11-04 05:19:05Z origin change 160.187.61.0/24 AS1221 → AS136734 32884032772717448262764136734
2026-11-04 02:39:22Z origin change 159.222.184.0/24 AS1221 → AS38882 503003257747438882
2026-11-03 04:34:33Z origin change 159.222.184.0/24 AS38882 → AS1221 2040922076629169352801221
2026-11-03 04:34:33Z origin change 160.187.61.0/24 AS136734 → AS1221 2040922076629169352801221
2026-11-03 02:54:01Z origin change 159.222.184.0/24 AS1221 → AS38882 503003257747438882
2026-11-03 02:21:48Z origin change 159.222.184.0/24 AS38882 → AS1221 50300335646371221
2026-11-03 02:10:32Z origin change 160.187.61.0/24 AS1221 → AS136734 32884032772717448262764136734
2026-11-03 02:10:26Z origin change 159.222.184.0/24 AS1221 → AS38882 3288403277271743257747438882
2026-11-02 21:47:25Z origin change 159.222.184.0/24 AS38882 → AS1221 2040922076629169352801221
2026-11-02 21:47:25Z origin change 160.187.61.0/24 AS136734 → AS1221 2040922076629169352801221
2026-11-02 20:39:07Z origin change 160.187.61.0/24 AS1221 → AS136734 32884032772717448262764136734
2026-11-02 20:39:03Z origin change 148.80.1.0/24 AS1221 → AS4826 32884032772717433564826
2026-11-02 20:39:01Z origin change 159.222.184.0/24 AS1221 → AS38882 3288403277271743257747438882
2026-11-02 14:23:24Z origin change 148.80.1.0/24 AS4826 → AS1221 213241900246371221
2026-11-02 07:43:30Z origin change 160.187.61.0/24 AS136734 → AS1221 55720693946371221
2026-11-01 05:08:25Z origin change 159.222.184.0/24 AS1221 → AS38882 3288403277271743257747438882
2026-11-01 04:59:20Z origin change 160.187.61.0/24 AS1221 → AS136734 379895630013213248262764136734
2026-11-01 04:59:20Z origin change 160.187.61.0/24 AS1221 → AS136734 379895630013213248262764136734
2026-11-01 02:50:02Z origin change 159.222.184.0/24 AS38882 → AS1221 4913453356693946371221
2026-11-01 02:50:02Z origin change 160.187.61.0/24 AS136734 → AS1221 4913453356693946371221
2026-10-31 22:00:17Z origin change 160.187.61.0/24 AS1221 → AS136734 32884032772717448262764136734
2026-10-31 22:00:12Z origin change 148.80.1.0/24 AS1221 → AS4826 32884032772717433564826
2026-10-31 22:00:10Z origin change 159.222.184.0/24 AS1221 → AS38882 3288403277271743257747438882
2026-10-31 10:17:08Z origin change 148.80.1.0/24 AS4826 → AS1221 59919900246371221
2026-10-31 10:17:03Z origin change 159.222.184.0/24 AS38882 → AS1221 59919900246371221
2026-10-31 08:17:59Z origin change 159.222.184.0/24 AS1221 → AS38882 5991990023257747438882
2026-10-30 12:32:36Z origin change 160.187.61.0/24 AS136734 → AS1221 3492756655693946371221
2026-10-30 12:32:19Z origin change 159.222.184.0/24 AS38882 → AS1221 3492756655693946371221
2026-10-30 09:30:35Z origin change 160.187.61.0/24 AS1221 → AS136734 32884032772717448262764136734
2026-10-30 08:13:36Z origin change 160.187.61.0/24 AS136734 → AS1221 2950439392325746371221
2026-10-29 22:53:06Z origin change 148.80.1.0/24 AS1221 → AS4826 32884032772717433564826
2026-10-29 22:53:04Z origin change 159.222.184.0/24 AS1221 → AS38882 3288403277271743257747438882
2026-10-29 13:58:05Z origin change 160.187.61.0/24 AS1221 → AS136734 2448248262764136734
2026-10-29 06:33:16Z origin change 148.80.1.0/24 AS4826 → AS1221 140357746371221
2026-10-29 06:32:44Z origin change 159.222.184.0/24 AS38882 → AS1221 140357746371221
2026-10-29 05:32:34Z origin change 192.74.139.0/24 AS1221 → AS19905 557202914645319905