170.33.66.0/24 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 | 22 | 1763945102 | 2026-09-18 | 2026-10-07 |
| AS134963 Alibaba Cloud (Singapore) Private Limited | RPKI valid | 19 | 380013491134963 | 2026-09-18 | 2026-10-07 |
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 |
|---|---|---|---|
| 2026-10-06 13:27:47Z | origin change | AS45102 → AS134963 | 49673204853491134963 |
| 2026-10-06 13:26:12Z | origin change | AS134963 → AS45102 | 49673123894510245102 |
| 2026-10-05 04:31:08Z | origin change | AS45102 → AS134963 | 3288403277271743491134963 |
| 2026-10-05 01:19:20Z | origin change | AS134963 → AS45102 | 5805734549291445102 |
| 2026-10-05 00:29:07Z | origin change | AS45102 → AS134963 | 3454955113491134963 |
| 2026-10-05 00:17:26Z | origin change | AS134963 → AS45102 | 5805734549291445102 |
| 2026-10-05 00:15:00Z | origin change | AS45102 → AS134963 | 3288403277271743491134963 |
| 2026-10-04 09:55:16Z | origin change | AS134963 → AS45102 | 5805734549291445102 |
| 2026-10-02 11:36:59Z | origin change | AS45102 → AS134963 | 460875753491134963 |
| 2026-10-02 08:26:37Z | origin change | AS134963 → AS45102 | 176394510245102 |
| 2026-10-01 08:33:47Z | origin change | AS45102 → AS134963 | 8523491134963 |
| 2026-10-01 08:00:25Z | origin change | AS134963 → AS45102 | 55720693945102 |
| 2026-09-29 21:41:11Z | origin change | AS45102 → AS134963 | 8523491134963 |
| 2026-09-29 21:22:22Z | origin change | AS134963 → AS45102 | 3492756655693945102 |
| 2026-09-29 18:02:48Z | origin change | AS45102 → AS134963 | 8523491134963 |
| 2026-09-29 17:09:17Z | origin change | AS134963 → AS45102 | 55720693945102 |
| 2026-09-29 15:47:13Z | origin change | AS45102 → AS134963 | 8523491134963 |
| 2026-09-29 15:12:20Z | origin change | AS134963 → AS45102 | 5805734549291445102 |
| 2026-09-29 03:48:45Z | origin change | AS45102 → AS134963 | 8523491134963 |
| 2026-09-28 21:22:45Z | origin change | AS134963 → AS45102 | 55720693945102 |
| 2026-09-27 04:07:20Z | origin change | AS45102 → AS134963 | 8523491134963 |
| 2026-09-27 03:51:49Z | origin change | AS134963 → AS45102 | 176394510245102 |
| 2026-09-25 03:26:02Z | origin change | AS45102 → AS134963 | 8523491134963 |
| 2026-09-25 03:23:44Z | origin change | AS134963 → AS45102 | 4504966962914451024510245102 |
| 2026-09-25 03:23:33Z | origin change | AS45102 → AS134963 | 21324190023491134963 |
| 2026-09-25 03:23:22Z | origin change | AS134963 → AS45102 | 49432483629002291445102 |
| 2026-09-25 03:23:22Z | origin change | AS45102 → AS134963 | 216285828067623491134963 |
| 2026-09-25 03:23:21Z | origin change | AS134963 → AS45102 | 21628582806762291445102 |
| 2026-09-25 03:23:20Z | origin change | AS45102 → AS134963 | 2265212993491134963 |
| 2026-09-25 03:23:19Z | origin change | AS134963 → AS45102 | 5805734549291445102 |
| 2026-09-25 03:05:33Z | origin change | AS45102 → AS134963 | 8523491134963 |
| 2026-09-25 02:54:50Z | origin change | AS134963 → AS45102 | 48185291445102 |
| 2026-09-24 05:28:36Z | origin change | AS134963 → AS45102 | 4504966962914451024510245102 |
| 2026-09-24 05:28:27Z | origin change | AS45102 → AS134963 | 21324190023491134963 |
| 2026-09-24 05:28:11Z | origin change | AS45102 → AS134963 | 216285828067623491134963 |
| 2026-09-24 05:28:10Z | origin change | AS134963 → AS45102 | 2040922076629075291445102 |
| 2026-09-24 05:28:09Z | origin change | AS45102 → AS134963 | 2265212993491134963 |
| 2026-09-24 05:28:09Z | origin change | AS134963 → AS45102 | 481853356291445102 |
| 2026-09-24 05:28:09Z | origin change | AS45102 → AS134963 | 1490733563491134963 |
| 2026-09-24 05:28:09Z | origin change | AS134963 → AS45102 | 49432483629002291445102 |
| 2026-09-24 05:28:09Z | origin change | AS45102 → AS134963 | 4818533563491134963 |
| 2026-09-24 05:28:09Z | origin change | AS45102 → AS134963 | 494324836290023491134963 |
| 2026-09-24 05:28:09Z | origin change | AS134963 → AS45102 | 33331136291445102 |
| 2026-09-24 04:50:12Z | origin change | AS134963 → AS45102 | 20649934549291445102 |