57.140.203.0/24 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 |
|---|---|---|---|---|---|
| AS15169 Google LLC | RPKI valid | 32 | 3772115169 | 2026-10-23 | 2026-11-05 |
| AS19527 Google LLC (Google Cloud) | RPKI valid | 10 | 34549645319527 | 2026-10-23 | 2026-11-05 |
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 | authorises it |
| 57.140.192.0/18 | /24 | AS19527 | arin | wrong origin |
| 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 |
|---|---|---|---|
| 2026-11-05 09:22:44Z | origin change | AS19527 → AS15169 | 3549335615169 |
| 2026-11-05 03:49:34Z | origin change | AS15169 → AS19527 | 20236550673645319527 |
| 2026-11-05 03:49:04Z | origin change | AS19527 → AS15169 | 20236550673645315169 |
| 2026-11-05 03:48:23Z | origin change | AS15169 → AS19527 | 20649934549645319527 |
| 2026-11-05 03:48:17Z | origin change | AS19527 → AS15169 | 557202914645315169 |
| 2026-11-05 03:48:08Z | origin change | AS15169 → AS19527 | 612186939645319527 |
| 2026-11-05 03:34:43Z | origin change | AS19527 → AS15169 | 2448215169 |
| 2026-11-05 03:34:43Z | origin change | AS15169 → AS19527 | 24482645319527 |
| 2026-11-05 02:14:48Z | origin change | AS19527 → AS15169 | 37721129915169 |
| 2026-11-05 00:43:36Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-11-04 22:37:07Z | origin change | AS19527 → AS15169 | 852129915169 |
| 2026-11-04 22:37:05Z | origin change | AS15169 → AS19527 | 57821125863320645319527 |
| 2026-11-04 22:28:27Z | origin change | AS19527 → AS15169 | 44393357104809129915169 |
| 2026-11-04 19:55:15Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-11-04 17:28:17Z | origin change | AS19527 → AS15169 | 37721551115169 |
| 2026-11-04 15:30:31Z | origin change | AS15169 → AS19527 | 2132419002645319527 |
| 2026-11-04 12:43:10Z | origin change | AS15169 → AS19527 | 34549645319527 |
| 2026-11-04 12:43:10Z | origin change | AS19527 → AS15169 | 3492756655129915169 |
| 2026-11-04 12:43:10Z | origin change | AS19527 → AS15169 | 2950439392129915169 |
| 2026-11-04 12:43:00Z | origin change | AS15169 → AS19527 | 2950439392129919527 |
| 2026-11-04 06:44:06Z | origin change | AS19527 → AS15169 | 37721551115169 |
| 2026-11-04 04:32:27Z | origin change | AS15169 → AS19527 | 2132419002645319527 |
| 2026-11-04 04:32:05Z | origin change | AS19527 → AS15169 | 557202914645315169 |
| 2026-11-04 04:31:57Z | origin change | AS15169 → AS19527 | 21324190021295619527 |
| 2026-11-03 05:07:49Z | origin change | AS19527 → AS15169 | 14907335615169 |
| 2026-11-03 04:00:26Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-11-03 02:20:42Z | origin change | AS19527 → AS15169 | 50300335615169 |
| 2026-11-03 02:10:31Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-11-03 00:47:54Z | origin change | AS19527 → AS15169 | 46087575129915169 |
| 2026-11-02 14:23:22Z | origin change | AS15169 → AS19527 | 2132419002645319527 |
| 2026-11-02 08:40:24Z | origin change | AS19527 → AS15169 | 580571836335615169 |
| 2026-11-01 13:05:19Z | origin change | AS15169 → AS19527 | 345492914645319527 |
| 2026-11-01 13:05:18Z | origin change | AS19527 → AS15169 | 5805734549325715169 |
| 2026-11-01 04:59:22Z | origin change | AS15169 → AS19527 | 37989563001321324657645319527 |
| 2026-11-01 04:59:22Z | origin change | AS15169 → AS19527 | 37989563001321324657645319527 |
| 2026-11-01 02:50:04Z | origin change | AS19527 → AS15169 | 49134533566424646115169 |
| 2026-10-31 22:00:15Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-30 12:32:22Z | origin change | AS19527 → AS15169 | 3492756655129915169 |
| 2026-10-30 09:30:33Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-30 08:13:42Z | origin change | AS19527 → AS15169 | 2950439392129915169 |
| 2026-10-30 06:16:34Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-30 01:22:31Z | origin change | AS19527 → AS15169 | 50304129915169 |
| 2026-10-29 22:53:10Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-28 18:22:38Z | origin change | AS19527 → AS15169 | 50300325715169 |
| 2026-10-28 18:12:03Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-28 14:51:34Z | origin change | AS15169 → AS19527 | 380013491645319527 |
| 2026-10-28 14:51:26Z | origin change | AS15169 → AS19527 | 20649934549645319527 |
| 2026-10-28 14:51:26Z | origin change | AS19527 → AS15169 | 20409220766129915169 |
| 2026-10-28 14:51:26Z | origin change | AS19527 → AS15169 | 1403577129915169 |
| 2026-10-28 14:51:26Z | origin change | AS19527 → AS15169 | 2950439392129915169 |