170.33.137.0/24 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 | 25 | 2448245102 | 2026-09-18 | 2026-10-31 |
| AS134963 Alibaba Cloud (Singapore) Private Limited | RPKI valid | 17 | 176393491134963 | 2026-09-18 | 2026-10-31 |
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 |
|---|---|---|---|
| 2026-11-01 05:08:26Z | origin change | AS45102 → AS134963 | 3288403277271743491134963 |
| 2026-11-01 02:50:02Z | origin change | AS134963 → AS45102 | 4913453356693945102 |
| 2026-10-31 22:00:10Z | origin change | AS45102 → AS134963 | 3288403277271743491134963 |
| 2026-10-30 12:32:21Z | origin change | AS134963 → AS45102 | 3492756655693945102 |
| 2026-10-30 09:30:28Z | origin change | AS45102 → AS134963 | 3288403277271743491134963 |
| 2026-10-30 08:13:34Z | origin change | AS134963 → AS45102 | 2950439392338911767645102 |
| 2026-10-30 06:16:29Z | origin change | AS45102 → AS134963 | 3288403277271743491134963 |
| 2026-10-29 23:36:14Z | origin change | AS134963 → AS45102 | 20649934549291445102 |
| 2026-10-29 06:32:37Z | origin change | AS45102 → AS134963 | 14035773491134963 |
| 2026-10-28 18:22:38Z | origin change | AS134963 → AS45102 | 50300291445102 |
| 2026-10-28 18:11:57Z | origin change | AS45102 → AS134963 | 3288403277271743491134963 |
| 2026-10-28 12:42:02Z | origin change | AS134963 → AS45102 | 29504393923389117676451024510245102 |
| 2026-10-27 21:57:36Z | origin change | AS45102 → AS134963 | 460875753491134963 |
| 2026-10-27 14:48:28Z | origin change | AS134963 → AS45102 | 55720693945102 |
| 2026-10-27 14:10:03Z | origin change | AS45102 → AS134963 | 460875753491134963 |
| 2026-10-27 13:25:01Z | origin change | AS134963 → AS45102 | 3800117676451024510245102 |
| 2026-10-27 13:24:01Z | origin change | AS45102 → AS134963 | 226521743491134963 |
| 2026-10-27 13:24:00Z | origin change | AS134963 → AS45102 | 29504393923389117676451024510245102 |
| 2026-10-27 04:17:04Z | origin change | AS45102 → AS134963 | 3288403277271743491134963 |
| 2026-10-27 01:06:09Z | origin change | AS134963 → AS45102 | 49432483621764291445102 |
| 2026-10-26 02:40:14Z | origin change | AS45102 → AS134963 | 3288403277271743491134963 |
| 2026-10-25 18:11:40Z | origin change | AS134963 → AS45102 | 2950439392338911767645102 |
| 2026-10-25 13:21:21Z | origin change | AS134963 → AS45102 | 3800117676451024510245102 |
| 2026-10-25 13:21:16Z | origin change | AS45102 → AS134963 | 226521743491134963 |
| 2026-10-24 17:20:29Z | origin change | AS45102 → AS134963 | 8523491134963 |
| 2026-10-24 16:23:15Z | origin change | AS134963 → AS45102 | 3492712991767645102 |
| 2026-10-24 15:55:07Z | origin change | AS45102 → AS134963 | 176393491134963 |
| 2026-10-24 15:35:56Z | origin change | AS134963 → AS45102 | 2950439392338911767645102 |
| 2026-10-24 14:02:06Z | origin change | AS45102 → AS134963 | 580571743491134963 |
| 2026-10-24 13:08:34Z | origin change | AS134963 → AS45102 | 3800117676451024510245102 |
| 2026-10-24 13:07:52Z | origin change | AS45102 → AS134963 | 34927520251743491134963 |
| 2026-10-23 16:08:28Z | origin change | AS134963 → AS45102 | 29504393923389117676451024510245102 |
| 2026-10-23 14:40:00Z | origin change | AS45102 → AS134963 | 5991990023491134963 |
| 2026-10-23 14:39:42Z | origin change | AS134963 → AS45102 | 5991912779291445102 |
| 2026-10-23 13:00:39Z | origin change | AS45102 → AS134963 | 3492712993491134963 |
| 2026-10-23 12:55:52Z | origin change | AS134963 → AS45102 | 226521299291445102 |
| 2026-10-23 12:55:51Z | origin change | AS45102 → AS134963 | 380013491134963 |
| 2026-10-23 12:44:35Z | origin change | AS134963 → AS45102 | 3800117676451024510245102 |
| 2026-10-23 12:44:27Z | origin change | AS45102 → AS134963 | 226521743491134963 |
| 2026-10-23 12:44:25Z | origin change | AS134963 → AS45102 | 29504393923389117676451024510245102 |
| 2026-10-23 09:21:48Z | origin change | AS45102 → AS134963 | 578211258632573491134963 |
| 2026-10-23 06:30:49Z | origin change | AS134963 → AS45102 | 2950439392338911767645102 |
| 2026-10-22 11:06:15Z | origin change | AS45102 → AS134963 | 460875753491134963 |
| 2026-10-22 10:46:02Z | origin change | AS134963 → AS45102 | 14907291445102 |
| 2026-10-22 02:16:35Z | origin change | AS45102 → AS134963 | 578211258632573491134963 |
| 2026-10-21 16:11:20Z | origin change | AS134963 → AS45102 | 61218693945102 |
| 2026-10-20 21:51:19Z | origin change | AS45102 → AS134963 | 5991990023491134963 |
| 2026-10-20 21:50:03Z | origin change | AS134963 → AS45102 | 5991912779291445102 |
| 2026-10-20 21:49:09Z | origin change | AS45102 → AS134963 | 5991990023491134963 |
| 2026-10-20 21:48:40Z | origin change | AS134963 → AS45102 | 5991912779291445102 |