57.140.227.0/24 RPKI valid MOAS
Announced by 3 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 |
|---|---|---|---|---|---|
| AS19527 Google LLC (Google Cloud) | RPKI valid | 27 | 34549129919527 | 2026-09-18 | 2026-10-18 |
| AS15169 Google LLC | RPKI valid | 15 | 2448215169 | 2026-09-18 | 2026-10-18 |
| AS139070 Google Cloud Korea | RPKI valid | 1 | 557206939139070 | 2026-09-18 | 2026-10-18 |
RPKI
5 ROAs cover this prefix
| ROA prefix | Max length | Authorised origin | Trust anchor | Result for this route |
|---|---|---|---|---|
| 57.140.192.0/18 | /24 | AS15169 | arin | wrong origin |
| 57.140.192.0/18 | /24 | AS19527 | arin | authorises it |
| 57.140.192.0/18 | /24 | AS139070 | arin | wrong origin |
| 57.140.192.0/18 | /24 | AS396982 | arin | wrong origin |
| 57.140.0.0/16 | /24 | AS62654 | arin | wrong origin |
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 57.140.0.0/16
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 2022-08-23
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 57.140.192.0/18 v4 | AS15169 Google LLC | RPKI valid | 36 | 3454915169 | 2026-09-18 |
| 57.140.192.0/18 v4 | AS19527 Google LLC (Google Cloud) | RPKI valid | 15 | 693919527 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-18 16:14:51Z | origin change | AS139070 → AS19527 | 328840327727174129919527 |
| 2026-10-18 15:52:35Z | origin change | AS19527 → AS139070 | 557206939139070 |
| 2026-10-18 13:45:53Z | origin change | AS15169 → AS19527 | 17639129919527 |
| 2026-10-18 13:22:03Z | origin change | AS19527 → AS15169 | 55720693915169 |
| 2026-10-17 23:16:27Z | origin change | AS15169 → AS19527 | 37989563001321324657645319527 |
| 2026-10-17 21:17:22Z | origin change | AS19527 → AS15169 | 37989563001321324657900215169 |
| 2026-10-16 14:14:07Z | origin change | AS139070 → AS19527 | 328840327727174129919527 |
| 2026-10-16 12:03:13Z | origin change | AS15169 → AS139070 | 557206939139070 |
| 2026-10-16 12:02:12Z | origin change | AS19527 → AS15169 | 55720693915169 |
| 2026-10-15 19:46:22Z | origin change | AS139070 → AS19527 | 4943248362129919527 |
| 2026-10-15 18:26:16Z | origin change | AS15169 → AS139070 | 557206939139070 |
| 2026-10-15 17:57:18Z | origin change | AS19527 → AS15169 | 55720693915169 |
| 2026-10-15 09:20:46Z | origin change | AS15169 → AS19527 | 21628582806762129919527 |
| 2026-10-15 08:03:08Z | origin change | AS19527 → AS15169 | 46081221463715169 |
| 2026-10-15 00:10:34Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-14 18:06:31Z | origin change | AS19527 → AS15169 | 55720291415169 |
| 2026-10-13 14:35:10Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-13 06:57:54Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-10-12 21:09:34Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-12 15:54:44Z | origin change | AS19527 → AS15169 | 46081221463715169 |
| 2026-10-12 15:02:24Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-12 12:44:15Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-10-11 20:43:10Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-11 12:33:41Z | origin change | AS19527 → AS15169 | 496732048515169 |
| 2026-10-10 00:29:55Z | origin change | AS15169 → AS19527 | 17639129919527 |
| 2026-10-09 21:08:19Z | origin change | AS19527 → AS15169 | 37721127315169 |
| 2026-10-09 08:59:14Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-09 08:59:14Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-09 08:26:34Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-10-09 08:26:34Z | origin change | AS139070 → AS15169 | 5782112586325715169 |
| 2026-10-09 04:44:24Z | origin change | AS15169 → AS139070 | 557206939139070 |
| 2026-10-09 01:03:13Z | origin change | AS19527 → AS15169 | 55720693915169 |
| 2026-10-09 00:16:40Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-08 22:35:58Z | origin change | AS19527 → AS15169 | 46081221463715169 |
| 2026-10-08 22:35:28Z | origin change | AS15169 → AS19527 | 7018129919527 |
| 2026-10-08 22:34:44Z | origin change | AS19527 → AS15169 | 132825335615169 |
| 2026-10-08 22:31:46Z | origin change | AS15169 → AS19527 | 33331257129919527 |
| 2026-10-08 17:55:17Z | origin change | AS139070 → AS15169 | 61218693915169 |
| 2026-10-08 17:41:40Z | origin change | AS15169 → AS139070 | 557206939139070 |
| 2026-10-08 12:01:43Z | origin change | AS19527 → AS15169 | 46081221463715169 |
| 2026-10-08 09:39:51Z | origin change | AS139070 → AS19527 | 149073356129919527 |
| 2026-10-08 00:24:49Z | origin change | AS15169 → AS139070 | 557206939139070 |
| 2026-10-07 23:59:44Z | origin change | AS139070 → AS15169 | 55720693915169 |
| 2026-10-07 17:57:41Z | origin change | AS15169 → AS139070 | 557206939139070 |
| 2026-10-07 17:55:06Z | origin change | AS19527 → AS15169 | 4913453356693915169 |
| 2026-10-07 10:25:25Z | origin change | AS15169 → AS19527 | 2950415935174129919527 |
| 2026-10-07 10:25:25Z | origin change | AS15169 → AS19527 | 2950415935174129919527 |
| 2026-10-06 18:09:58Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-10-06 18:09:19Z | origin change | AS19527 → AS15169 | 852325715169 |
| 2026-10-06 18:08:44Z | origin change | AS15169 → AS19527 | 57821125863257129919527 |