57.140.209.0/24 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 | 38 | 3454915169 | 2026-09-18 | 2026-10-19 |
| AS19527 Google LLC (Google Cloud) | RPKI valid | 7 | 7018645319527 | 2026-09-18 | 2026-10-19 |
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 | 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 20:06:54Z | origin change | AS43515 → AS15169 | 2162858280676215169 |
| 2026-10-19 19:32:15Z | origin change | AS19527 → AS43515 | 450496696676243515 |
| 2026-10-19 19:32:01Z | origin change | AS15169 → AS19527 | 2162858280174645319527 |
| 2026-10-19 03:26:16Z | origin change | AS19527 → AS15169 | 17639900215169 |
| 2026-10-19 02:18:05Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-18 19:52:20Z | origin change | AS43515 → AS15169 | 2162858280676215169 |
| 2026-10-18 19:26:38Z | origin change | AS19527 → AS43515 | 450496696676243515 |
| 2026-10-18 18:48:56Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-18 18:43:09Z | origin change | AS43515 → AS15169 | 2162858280676215169 |
| 2026-10-18 18:26:08Z | origin change | AS19527 → AS43515 | 450496696676243515 |
| 2026-10-18 18:25:44Z | origin change | AS15169 → AS19527 | 2162858280174645319527 |
| 2026-10-18 16:51:14Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-18 16:14:52Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-18 14:51:34Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-18 14:30:08Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-18 04:04:41Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-17 23:16:27Z | origin change | AS15169 → AS19527 | 37989563001321324657645319527 |
| 2026-10-17 20:45:38Z | origin change | AS43515 → AS15169 | 2162858280676215169 |
| 2026-10-17 20:29:01Z | origin change | AS19527 → AS43515 | 450496696676243515 |
| 2026-10-17 20:28:34Z | origin change | AS15169 → AS19527 | 2162858280174645319527 |
| 2026-10-17 20:09:27Z | origin change | AS43515 → AS15169 | 2162858280676215169 |
| 2026-10-17 19:58:02Z | origin change | AS19527 → AS43515 | 450496696676243515 |
| 2026-10-17 19:57:44Z | origin change | AS15169 → AS19527 | 2162858280174645319527 |
| 2026-10-17 19:37:32Z | origin change | AS43515 → AS15169 | 2162858280676215169 |
| 2026-10-17 19:22:01Z | origin change | AS19527 → AS43515 | 450496696676243515 |
| 2026-10-17 19:21:42Z | origin change | AS15169 → AS19527 | 2162858280174645319527 |
| 2026-10-17 18:56:36Z | origin change | AS43515 → AS15169 | 2162858280676215169 |
| 2026-10-17 18:41:01Z | origin change | AS19527 → AS43515 | 450496696676243515 |
| 2026-10-17 17:32:21Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-17 09:54:55Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-17 07:23:30Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-16 20:55:43Z | origin change | AS43515 → AS15169 | 2162858280676215169 |
| 2026-10-16 20:43:25Z | origin change | AS19527 → AS43515 | 450496696676243515 |
| 2026-10-16 20:43:05Z | origin change | AS15169 → AS19527 | 2162858280174645319527 |
| 2026-10-16 20:06:32Z | origin change | AS43515 → AS15169 | 20236515169 |
| 2026-10-16 20:04:55Z | origin change | AS19527 → AS43515 | 450496696676243515 |
| 2026-10-16 20:04:39Z | origin change | AS15169 → AS19527 | 2162858280174645319527 |
| 2026-10-16 19:49:09Z | origin change | AS43515 → AS15169 | 2162858280676215169 |
| 2026-10-16 19:35:25Z | origin change | AS19527 → AS43515 | 450496696676243515 |
| 2026-10-16 19:35:19Z | origin change | AS15169 → AS19527 | 2162858280174645319527 |
| 2026-10-16 19:05:54Z | origin change | AS43515 → AS15169 | 450496696129915169 |
| 2026-10-16 18:53:25Z | origin change | AS19527 → AS43515 | 450496696676243515 |
| 2026-10-16 18:53:15Z | origin change | AS15169 → AS19527 | 2162858280174645319527 |
| 2026-10-16 18:18:31Z | origin change | AS43515 → AS15169 | 20236515169 |
| 2026-10-16 18:11:24Z | origin change | AS19527 → AS43515 | 450496696676243515 |
| 2026-10-16 18:10:57Z | origin change | AS15169 → AS19527 | 2162858280174645319527 |
| 2026-10-16 15:32:09Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-16 15:05:53Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-16 14:48:16Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-16 14:14:08Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |