170.33.72.0/24 RPKI valid 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 |
|---|---|---|---|---|---|
| AS45102 Alibaba (US) Technology Co., Ltd. | RPKI valid | 26 | 2448245102 | 2026-09-18 | 2026-09-22 |
| AS134963 Alibaba Cloud (Singapore) Private Limited | RPKI valid | 16 | 380013491134963 | 2026-09-18 | 2026-09-22 |
RPKI
2 ROAs cover this prefix
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 170.33.0.0/16
- RIR
- APNIC
- Country
- 🇸🇬 SG
- Status
- allocated
- Allocated
- 1994-02-03
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 |
|---|---|---|---|
| 2026-09-22 11:36:36Z | origin change | AS45102 → AS134963 | 8523491134963 |
| 2026-09-22 10:41:39Z | origin change | AS134963 → AS45102 | 328840327727174645345102 |
| 2026-09-22 10:29:29Z | origin change | AS45102 → AS134963 | 8523491134963 |
| 2026-09-22 10:24:46Z | origin change | AS134963 → AS45102 | 57821125863257645345102 |
| 2026-09-22 09:50:30Z | origin change | AS45102 → AS134963 | 8523491134963 |
| 2026-09-22 09:42:29Z | origin change | AS134963 → AS45102 | 328840327727174645345102 |
| 2026-09-22 07:10:06Z | origin change | AS45102 → AS134963 | 8523491134963 |
| 2026-09-21 13:30:24Z | origin change | AS134963 → AS45102 | 503003257645345102 |
| 2026-09-21 13:26:15Z | origin change | AS45102 → AS134963 | 450496696129917984134963 |
| 2026-09-18 14:02:39Z | origin change | AS134963 → AS45102 | 328840327727174645345102 |