57.140.192.0/24 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 | 26 | 34549129919527 | 2026-09-18 | 2026-10-20 |
| AS15169 Google LLC | RPKI valid | 16 | 2265215169 | 2026-09-18 | 2026-10-20 |
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 | 16 | 693919527 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-19 13:00:21Z | origin change | AS15169 → AS19527 | 599199002645319527 |
| 2026-10-19 03:26:16Z | origin change | AS19527 → AS15169 | 17639693915169 |
| 2026-10-18 14:30:07Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-18 12:33:15Z | origin change | AS19527 → AS15169 | 17639693915169 |
| 2026-10-15 21:05:37Z | origin change | AS15169 → AS19527 | 34927129919527 |
| 2026-10-15 21:03:35Z | origin change | AS19527 → AS15169 | 2265215169 |
| 2026-10-15 09:20:46Z | origin change | AS15169 → AS19527 | 21628582806762129919527 |
| 2026-10-15 08:03:30Z | origin change | AS19527 → AS15169 | 3549335615169 |
| 2026-10-13 06:57:54Z | origin change | AS15169 → AS19527 | 57821125863257129919527 |
| 2026-10-13 06:07:56Z | origin change | AS19527 → AS15169 | 37721646115169 |
| 2026-10-11 06:53:04Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-10 23:40:09Z | origin change | AS19527 → AS15169 | 17639693915169 |
| 2026-10-10 19:42:28Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-09 13:20:38Z | origin change | AS19527 → AS15169 | 17639693915169 |
| 2026-10-09 00:16:40Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-08 23:11:33Z | origin change | AS19527 → AS15169 | 48185335615169 |
| 2026-10-08 22:36:00Z | origin change | AS15169 → AS19527 | 46087575129919527 |
| 2026-10-08 22:35:58Z | origin change | AS19527 → AS15169 | 580571836335615169 |
| 2026-10-08 22:35:28Z | origin change | AS15169 → AS19527 | 7018129919527 |
| 2026-10-08 22:34:01Z | origin change | AS19527 → AS15169 | 13830971335615169 |
| 2026-10-08 22:33:33Z | origin change | AS15169 → AS19527 | 34927129919527 |
| 2026-10-08 17:55:16Z | origin change | AS19527 → AS15169 | 61218693915169 |
| 2026-10-08 11:59:41Z | origin change | AS15169 → AS19527 | 2950439392129919527 |
| 2026-10-08 11:02:35Z | origin change | AS19527 → AS15169 | 3549335615169 |
| 2026-10-08 11:02:07Z | origin change | AS15169 → AS19527 | 46087575129919527 |
| 2026-10-08 00:32:04Z | origin change | AS19527 → AS15169 | 17639693915169 |
| 2026-10-07 17:57:46Z | origin change | AS15169 → AS19527 | 557202914645319527 |
| 2026-10-07 17:55:06Z | origin change | AS19527 → AS15169 | 4913453356693915169 |
| 2026-10-07 17:24:18Z | origin change | AS15169 → AS19527 | 5738142708129919527 |
| 2026-10-07 16:39:43Z | origin change | AS19527 → AS15169 | 14907335615169 |