57.140.193.0/24 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 | 2026-09-18 | 2026-10-20 |
| AS19527 Google LLC (Google Cloud) | RPKI valid | 11 | 34549645319527 | 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 | 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 | 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 |
|---|---|---|---|
| 2026-10-20 17:13:41Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-20 14:44:27Z | origin change | AS19527 → AS15169 | 46087575129915169 |
| 2026-10-20 14:42:46Z | origin change | AS15169 → AS19527 | 460812214637645319527 |
| 2026-10-20 14:12:49Z | origin change | AS19527 → AS15169 | 46087575129915169 |
| 2026-10-20 14:09:50Z | origin change | AS15169 → AS19527 | 460812214637645319527 |
| 2026-10-20 11:08:04Z | origin change | AS19527 → AS15169 | 46087575129915169 |
| 2026-10-20 10:02:15Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-19 03:26:16Z | origin change | AS19527 → AS15169 | 17639349115169 |
| 2026-10-18 14:30:17Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-18 12:33:15Z | origin change | AS19527 → AS15169 | 17639349115169 |
| 2026-10-17 22:59:16Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-17 22:58:54Z | origin change | AS19527 → AS15169 | 5738142708129915169 |
| 2026-10-17 22:58:49Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-17 22:58:46Z | origin change | AS19527 → AS15169 | 20514129915169 |
| 2026-10-17 22:58:31Z | origin change | AS15169 → AS19527 | 5991990021295619527 |
| 2026-10-17 22:58:26Z | origin change | AS19527 → AS15169 | 1403577129915169 |
| 2026-10-17 22:58:25Z | origin change | AS15169 → AS19527 | 34549645319527 |
| 2026-10-17 22:58:25Z | origin change | AS15169 → AS19527 | 5805734549645319527 |
| 2026-10-17 22:58:25Z | origin change | AS19527 → AS15169 | 20205129915169 |
| 2026-10-17 22:58:25Z | origin change | AS19527 → AS15169 | 2950439392129915169 |
| 2026-10-17 22:58:02Z | origin change | AS15169 → AS19527 | 599199002645319527 |
| 2026-10-17 21:16:56Z | origin change | AS19527 → AS15169 | 37989563001321324657129915169 |
| 2026-10-16 00:14:16Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-16 00:13:19Z | origin change | AS19527 → AS15169 | 450496696129915169 |
| 2026-10-16 00:13:16Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-16 00:12:56Z | origin change | AS19527 → AS15169 | 20205129915169 |
| 2026-10-16 00:12:55Z | origin change | AS19527 → AS15169 | 4967320485129915169 |
| 2026-10-16 00:12:55Z | origin change | AS15169 → AS19527 | 34549645319527 |
| 2026-10-16 00:12:55Z | origin change | AS19527 → AS15169 | 22652129915169 |
| 2026-10-16 00:12:55Z | origin change | AS15169 → AS19527 | 5805734549645319527 |
| 2026-10-16 00:12:55Z | origin change | AS19527 → AS15169 | 2950439392129915169 |
| 2026-10-16 00:12:55Z | origin change | AS15169 → AS19527 | 20649934549645319527 |
| 2026-10-15 23:29:19Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-15 23:25:39Z | origin change | AS19527 → AS15169 | 17639349115169 |
| 2026-10-15 23:25:19Z | origin change | AS15169 → AS19527 | 380013491645319527 |
| 2026-10-15 23:25:09Z | origin change | AS19527 → AS15169 | 17639551115169 |
| 2026-10-15 22:18:12Z | origin change | AS15169 → AS19527 | 3288403277271741295619527 |
| 2026-10-15 21:42:45Z | origin change | AS19527 → AS15169 | 208972620415169 |
| 2026-10-15 21:05:40Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-15 19:46:22Z | origin change | AS19527 → AS15169 | 4943248362129915169 |
| 2026-10-15 17:57:04Z | origin change | AS15169 → AS19527 | 557202914645319527 |
| 2026-10-15 07:00:06Z | origin change | AS19527 → AS15169 | 208972620415169 |
| 2026-10-14 18:06:28Z | origin change | AS15169 → AS19527 | 557202914645319527 |
| 2026-10-14 13:21:40Z | origin change | AS19527 → AS15169 | 46087575129915169 |
| 2026-10-14 12:42:26Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-14 12:41:59Z | origin change | AS19527 → AS15169 | 46087575129915169 |
| 2026-10-14 12:41:54Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-14 12:41:50Z | origin change | AS19527 → AS15169 | 20409220766129915169 |
| 2026-10-14 12:41:37Z | origin change | AS19527 → AS15169 | 49432483621764335615169 |
| 2026-10-14 12:41:36Z | origin change | AS15169 → AS19527 | 50304129919527 |