57.140.245.0/24 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 | 42 | 3454932575541019527 | 2026-10-24 | 2026-11-03 |
| AS15169 Google LLC | RPKI valid | 1 | 2448215169 | 2026-10-24 | 2026-11-03 |
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 | 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 |
|---|---|---|---|
| 2026-11-03 16:34:02Z | origin change | AS19527 → AS15169 | 4967320485645315169 |
| 2026-11-03 16:34:02Z | origin change | AS15169 → AS19527 | 2023655067317432575541019527 |
| 2026-11-03 16:29:54Z | origin change | AS15169 → AS19527 | 2020569391299645347555541019527 |
| 2026-11-03 16:29:33Z | origin change | AS19527 → AS15169 | 557209930645315169 |
| 2026-11-03 16:29:16Z | origin change | AS15169 → AS19527 | 4943221551031543174645347555541019527 |
| 2026-11-03 16:29:12Z | origin change | AS19527 → AS15169 | 20236550673645315169 |
| 2026-11-03 16:29:12Z | origin change | AS15169 → AS19527 | 852174645347555541019527 |
| 2026-11-03 16:29:10Z | origin change | AS19527 → AS15169 | 20649934549645315169 |
| 2026-11-03 16:29:10Z | origin change | AS19527 → AS15169 | 5805734549645315169 |
| 2026-11-03 16:29:10Z | origin change | AS15169 → AS19527 | 4943221551031543174645347555541019527 |
| 2026-11-03 16:29:01Z | origin change | AS19527 → AS15169 | 4967320485645315169 |
| 2026-11-03 16:29:01Z | origin change | AS15169 → AS19527 | 58057345492914645347555541019527 |
| 2026-11-03 16:29:01Z | origin change | AS15169 → AS19527 | 5991990023356645347555541019527 |
| 2026-11-03 16:28:59Z | origin change | AS19527 → AS15169 | 50628645315169 |
| 2026-11-03 16:28:59Z | origin change | AS19527 → AS15169 | 37721645315169 |
| 2026-11-03 16:28:59Z | origin change | AS15169 → AS19527 | 37989563001321322914645347555541019527 |
| 2026-11-03 16:28:58Z | origin change | AS15169 → AS19527 | 226521299645347555541019527 |
| 2026-11-03 16:28:58Z | origin change | AS19527 → AS15169 | 380017473645315169 |
| 2026-11-03 16:28:54Z | origin change | AS19527 → AS15169 | 34549645315169 |
| 2026-11-03 16:28:54Z | origin change | AS15169 → AS19527 | 345492914645347555541019527 |
| 2026-11-03 16:28:54Z | origin change | AS19527 → AS15169 | 5805734549645315169 |
| 2026-11-03 16:28:54Z | origin change | AS15169 → AS19527 | 5805734549645347555541019527 |
| 2026-11-03 16:28:53Z | origin change | AS19527 → AS15169 | 204092207662916935280645315169 |
| 2026-11-03 16:28:52Z | origin change | AS15169 → AS19527 | 21628582806762645347555541019527 |
| 2026-11-03 16:28:41Z | origin change | AS15169 → AS19527 | 20236550673645347555541019527 |
| 2026-11-03 16:28:41Z | origin change | AS19527 → AS15169 | 176399304645315169 |
| 2026-11-03 16:28:38Z | origin change | AS15169 → AS19527 | 21628582806762645347555541019527 |
| 2026-11-03 16:28:37Z | origin change | AS19527 → AS15169 | 443932120246206645315169 |
| 2026-11-02 07:47:05Z | origin change | AS15169 → AS19527 | 140357712735541019527 |
| 2026-11-02 07:47:04Z | origin change | AS15169 → AS19527 | 20409219897817432575541019527 |
| 2026-11-02 07:47:04Z | origin change | AS19527 → AS15169 | 2040923401962000645315169 |
| 2026-11-02 07:47:01Z | origin change | AS15169 → AS19527 | 496732048512735541019527 |
| 2026-11-02 07:47:01Z | origin change | AS19527 → AS15169 | 443932120246206645315169 |
| 2026-11-02 07:46:59Z | origin change | AS19527 → AS15169 | 4967320485645315169 |
| 2026-11-02 07:46:46Z | origin change | AS19527 → AS15169 | 1403577645315169 |
| 2026-11-02 07:46:46Z | origin change | AS15169 → AS19527 | 3772132575541019527 |
| 2026-11-02 07:46:45Z | origin change | AS15169 → AS19527 | 14907335632575541019527 |
| 2026-11-02 07:46:43Z | origin change | AS19527 → AS15169 | 2040923401962000645315169 |
| 2026-11-02 07:43:51Z | origin change | AS15169 → AS19527 | 349279002335632575541019527 |
| 2026-11-02 07:43:42Z | origin change | AS19527 → AS15169 | 557209930645315169 |
| 2026-11-02 07:42:45Z | origin change | AS15169 → AS19527 | 132825335632575541019527 |
| 2026-11-02 07:42:41Z | origin change | AS19527 → AS15169 | 5805734549645315169 |
| 2026-11-02 07:42:41Z | origin change | AS15169 → AS19527 | 37989563001321324657463732575541019527 |
| 2026-11-02 07:42:40Z | origin change | AS15169 → AS19527 | 58057345492914645347555541019527 |
| 2026-11-02 07:42:40Z | origin change | AS19527 → AS15169 | 5805734549645315169 |
| 2026-11-02 07:42:39Z | origin change | AS19527 → AS15169 | 176399304645315169 |
| 2026-11-02 07:42:26Z | origin change | AS15169 → AS19527 | 580571836335632575541019527 |
| 2026-11-02 07:42:23Z | origin change | AS19527 → AS15169 | 380017473645315169 |
| 2026-11-02 07:42:15Z | origin change | AS19527 → AS15169 | 37721645315169 |
| 2026-11-02 07:42:15Z | origin change | AS15169 → AS19527 | 49432483621764335632575541019527 |