170.33.21.0/24 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 | 31 | 3772145102 | 2026-09-18 | 2026-10-27 |
| AS134963 Alibaba Cloud (Singapore) Private Limited | RPKI valid | 12 | 176393491134963 | 2026-09-18 | 2026-10-27 |
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 |
|---|---|---|---|
| 2026-10-28 02:49:13Z | origin change | AS134963 → AS45102 | 49432483621764335645102 |
| 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 08:09:22Z | origin change | AS45102 → AS134963 | 49673204853491134963 |
| 2026-10-26 21:51:49Z | origin change | AS134963 → AS45102 | 49432483621764335645102 |
| 2026-10-26 21:48:55Z | origin change | AS45102 → AS134963 | 494324836290023491134963 |
| 2026-10-26 18:53:09Z | origin change | AS134963 → AS45102 | 3798956300132132465717445102 |
| 2026-10-26 17:17:36Z | origin change | AS45102 → AS134963 | 3798956300132132465790023491134963 |
| 2026-10-25 05:21:33Z | origin change | AS134963 → AS45102 | 32884032772717445102 |
| 2026-10-24 15:55:07Z | origin change | AS45102 → AS134963 | 176393491134963 |
| 2026-10-23 20:07:55Z | origin change | AS134963 → AS45102 | 244824510245102 |
| 2026-10-23 14:40:00Z | origin change | AS45102 → AS134963 | 5991990023491134963 |
| 2026-10-23 06:30:51Z | origin change | AS134963 → AS45102 | 29504393923389164614510245102451024510245102 |
| 2026-10-23 05:41:31Z | origin change | AS45102 → AS134963 | 460875753491134963 |
| 2026-10-22 22:53:20Z | origin change | AS134963 → AS45102 | 4943248362176417445102 |
| 2026-10-22 22:10:41Z | origin change | AS45102 → AS134963 | 5738142708129917984134963 |
| 2026-10-22 21:58:11Z | origin change | AS134963 → AS45102 | 49432483621764335645102 |
| 2026-10-22 21:45:39Z | origin change | AS45102 → AS134963 | 494324836290023491134963 |
| 2026-10-22 16:06:43Z | origin change | AS134963 → AS45102 | 3549335645102 |
| 2026-10-22 16:06:42Z | origin change | AS45102 → AS134963 | 70183491134963 |
| 2026-10-22 16:06:15Z | origin change | AS134963 → AS45102 | 3549335645102 |
| 2026-10-22 16:06:05Z | origin change | AS45102 → AS134963 | 333333203491134963 |
| 2026-10-22 16:05:52Z | origin change | AS134963 → AS45102 | 5782112586325717445102 |
| 2026-10-22 16:05:47Z | origin change | AS45102 → AS134963 | 14907129917984134963 |
| 2026-10-22 16:05:46Z | origin change | AS134963 → AS45102 | 149073356451024510245102 |
| 2026-10-22 13:11:36Z | origin change | AS45102 → AS134963 | 460875753491134963 |
| 2026-10-22 13:04:54Z | origin change | AS134963 → AS45102 | 7018335645102 |
| 2026-10-22 11:06:15Z | origin change | AS45102 → AS134963 | 460875753491134963 |
| 2026-10-22 10:46:00Z | origin change | AS134963 → AS45102 | 14907335645102 |
| 2026-10-22 10:42:40Z | origin change | AS45102 → AS134963 | 70183491134963 |
| 2026-10-22 06:16:31Z | origin change | AS134963 → AS45102 | 2023655067317445102 |
| 2026-10-22 04:28:58Z | origin change | AS45102 → AS134963 | 5805717417984134963 |
| 2026-10-22 04:27:58Z | origin change | AS134963 → AS45102 | 503003257335645102 |
| 2026-10-22 04:27:50Z | origin change | AS45102 → AS134963 | 578211258632573491134963 |
| 2026-10-22 04:27:35Z | origin change | AS134963 → AS45102 | 3549335645102 |
| 2026-10-22 04:27:05Z | origin change | AS45102 → AS134963 | 14907129917984134963 |
| 2026-10-22 04:27:04Z | origin change | AS134963 → AS45102 | 35493356451024510245102 |
| 2026-10-22 03:20:39Z | origin change | AS45102 → AS134963 | 176393491134963 |
| 2026-10-21 16:11:37Z | origin change | AS134963 → AS45102 | 61218693945102 |
| 2026-10-21 14:56:43Z | origin change | AS45102 → AS134963 | 3798956300132132465790023491134963 |
| 2026-10-21 14:56:25Z | origin change | AS134963 → AS45102 | 49432483621764335645102 |
| 2026-10-21 14:56:10Z | origin change | AS45102 → AS134963 | 2023655067317417984134963 |
| 2026-10-21 14:56:03Z | origin change | AS134963 → AS45102 | 13830971335645102 |
| 2026-10-21 12:23:36Z | origin change | AS45102 → AS134963 | 176393491134963 |
| 2026-10-21 07:30:39Z | origin change | AS134963 → AS45102 | 35493356451024510245102 |
| 2026-10-20 21:51:19Z | origin change | AS45102 → AS134963 | 5991990023491134963 |
| 2026-10-20 21:49:53Z | origin change | AS134963 → AS45102 | 599191277964614510245102451024510245102 |
| 2026-10-20 21:49:09Z | origin change | AS45102 → AS134963 | 5991990023491134963 |
| 2026-10-20 21:38:20Z | origin change | AS134963 → AS45102 | 5782112586325717445102 |
| 2026-10-20 21:38:18Z | origin change | AS45102 → AS134963 | 333333203491134963 |