203.19.219.0/24 no ROA MOAS
Announced by 2 different origins, which is either a deliberate multi-origin setup or a hijack.
This prefix is announced by more than one AS. Compare how many collector
peers see each origin below: a hijack is usually visible as a second
origin seen by far fewer peers than the legitimate one.
Origins
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS7575 Australian Academic and Research Network (AARNet) | no ROA | 34 | 46087575 | 2026-09-18 | 2026-09-20 |
| AS2764 AAPT Limited | no ROA | 9 | 3772148262764 | 2026-09-18 | 2026-09-20 |
RPKI
No ROA covers this prefix
No ROA covers this prefix, so origin validation returns "unknown". That is not a fault; most of the table is still unsigned.
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 203.19.216.0/22
- RIR
- APNIC
- Country
- 🇦🇺 AU
- Status
- assigned
- Allocated
- 1995-09-15
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-09-19 15:56:33Z | origin change | AS7575 → AS2764 | 32884032772717448262764 |
| 2026-09-19 14:26:53Z | origin change | AS2764 → AS7575 | 13830971335612997575 |
| 2026-09-18 22:12:30Z | origin change | AS7575 → AS2764 | 1763948262764 |
| 2026-09-18 21:55:48Z | origin change | AS2764 → AS7575 | 3800134917575 |
| 2026-09-18 19:49:09Z | origin change | AS7575 → AS2764 | 1763948262764 |
| 2026-09-18 19:47:46Z | origin change | AS2764 → AS7575 | 3800134917575 |
| 2026-09-18 19:09:00Z | origin change | AS7575 → AS2764 | 1763948262764 |
| 2026-09-18 19:04:45Z | origin change | AS2764 → AS7575 | 176397575 |
| 2026-09-18 17:05:52Z | origin change | AS7575 → AS2764 | 1763948262764 |
| 2026-09-18 17:04:56Z | origin change | AS2764 → AS7575 | 3800134917575 |
| 2026-09-18 16:59:49Z | origin change | AS7575 → AS2764 | 3800148262764 |
| 2026-09-18 16:58:17Z | origin change | AS2764 → AS7575 | 3800134917575 |
| 2026-09-18 16:51:12Z | origin change | AS7575 → AS2764 | 1763948262764 |
| 2026-09-18 16:28:34Z | origin change | AS2764 → AS7575 | 3800134917575 |
| 2026-09-18 10:26:37Z | origin change | AS7575 → AS2764 | 1763948262764 |
| 2026-09-18 10:25:00Z | origin change | AS2764 → AS7575 | 3800134917575 |
| 2026-09-18 10:14:18Z | origin change | AS7575 → AS2764 | 1763948262764 |
| 2026-09-18 07:14:29Z | origin change | AS2764 → AS7575 | 573815030412997575 |
| 2026-09-18 05:00:38Z | origin change | AS7575 → AS2764 | 1490748262764 |