57.140.205.0/24 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 |
|---|---|---|---|---|---|
| AS19527 Google LLC (Google Cloud) | RPKI valid | 22 | 34549129919527 | 2026-10-23 | 2026-11-06 |
| AS15169 Google LLC | RPKI valid | 19 | 3492715169 | 2026-10-23 | 2026-11-06 |
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 | 35 | 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 |
|---|---|---|---|
| 2026-11-06 17:48:14Z | origin change | AS19527 → AS15169 | 48185335615169 |
| 2026-11-06 17:12:12Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-11-06 06:47:09Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-11-05 21:10:39Z | origin change | AS15169 → AS19527 | 4943221551048362129919527 |
| 2026-11-05 19:24:52Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-11-05 11:01:18Z | origin change | AS15169 → AS19527 | 46087575129919527 |
| 2026-11-05 06:58:20Z | origin change | AS19527 → AS15169 | 48185335615169 |
| 2026-11-04 05:19:03Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-11-04 02:18:42Z | origin change | AS19527 → AS15169 | 50300325715169 |
| 2026-11-04 01:03:52Z | origin change | AS15169 → AS19527 | 21628582806762129919527 |
| 2026-11-03 21:08:45Z | origin change | AS19527 → AS15169 | 50300335615169 |
| 2026-11-03 10:15:25Z | origin change | AS15169 → AS19527 | 46087575129919527 |
| 2026-11-03 05:39:33Z | origin change | AS19527 → AS15169 | 37721646115169 |
| 2026-11-03 04:00:26Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-11-03 02:20:42Z | origin change | AS19527 → AS15169 | 50300335615169 |
| 2026-11-02 20:39:05Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-11-02 15:22:47Z | origin change | AS19527 → AS15169 | 48185335615169 |
| 2026-11-02 14:23:22Z | origin change | AS15169 → AS19527 | 2132419002645319527 |
| 2026-11-02 10:45:44Z | origin change | AS19527 → AS15169 | 2448215169 |
| 2026-11-02 10:30:00Z | origin change | AS15169 → AS19527 | 24482645319527 |
| 2026-11-02 08:40:00Z | origin change | AS19527 → AS15169 | 580571836335615169 |
| 2026-11-01 04:59:22Z | origin change | AS15169 → AS19527 | 37989563001321324657645319527 |
| 2026-11-01 04:59:22Z | origin change | AS15169 → AS19527 | 37989563001321324657645319527 |
| 2026-10-31 23:08:06Z | origin change | AS19527 → AS15169 | 3492715169 |
| 2026-10-31 22:00:14Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-31 16:31:15Z | origin change | AS19527 → AS15169 | 580571836335615169 |
| 2026-10-31 00:08:01Z | origin change | AS15169 → AS19527 | 4943248362129919527 |
| 2026-10-30 12:32:23Z | origin change | AS19527 → AS15169 | 3492756655693915169 |
| 2026-10-30 01:22:28Z | origin change | AS15169 → AS19527 | 50304129919527 |
| 2026-10-29 23:52:08Z | origin change | AS19527 → AS15169 | 3492756655693915169 |
| 2026-10-29 23:36:12Z | origin change | AS15169 → AS19527 | 20649934549129919527 |
| 2026-10-29 23:20:39Z | origin change | AS19527 → AS15169 | 4439339425615169 |
| 2026-10-29 12:03:39Z | origin change | AS15169 → AS19527 | 46087575129919527 |
| 2026-10-28 18:22:38Z | origin change | AS19527 → AS15169 | 50300325715169 |
| 2026-10-26 02:40:20Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-25 12:30:40Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-10-24 20:20:15Z | origin change | AS15169 → AS19527 | 5805734549645319527 |
| 2026-10-23 20:03:56Z | origin change | AS19527 → AS15169 | 2448215169 |