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 | 39 | 3454915169 | 2026-09-18 | 2026-10-14 |
| AS19527 Google LLC (Google Cloud) | RPKI valid | 7 | 7018645319527 | 2026-09-18 | 2026-10-14 |
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 | AS19527 Google LLC (Google Cloud) | RPKI valid | 16 | 693919527 | 2026-09-18 |
| 57.140.192.0/18 v4 | AS15169 Google LLC | RPKI valid | 36 | 3454915169 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-14 18:53:23Z | origin change | AS43515 → AS15169 | 2162858280676215169 |
| 2026-10-14 18:40:09Z | origin change | AS19527 → AS43515 | 450496696676243515 |
| 2026-10-14 18:06:54Z | origin change | AS15169 → AS19527 | 557202914645319527 |
| 2026-10-14 07:25:46Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-14 05:42:01Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-14 05:01:55Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-14 03:32:37Z | origin change | AS15169 → AS19527 | 37989563001321324657645319527 |
| 2026-10-13 21:10:04Z | origin change | AS19527 → AS15169 | 208972620415169 |
| 2026-10-13 20:48:35Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-13 19:07:23Z | origin change | AS43515 → AS15169 | 2162858280676215169 |
| 2026-10-13 18:49:30Z | origin change | AS19527 → AS43515 | 450496696676243515 |
| 2026-10-13 14:34:32Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-13 04:41:11Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-13 01:16:23Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-12 23:45:18Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-12 21:08:54Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-12 15:24:18Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-12 15:02:21Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-12 12:44:15Z | origin change | AS19527 → AS15169 | 578211258615169 |
| 2026-10-12 10:10:27Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-12 07:26:02Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-12 06:37:09Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-12 05:37:17Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-11 20:54:47Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-11 20:43:07Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-11 06:54:28Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-11 06:53:01Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-10 23:19:23Z | origin change | AS19527 → AS15169 | 494322155104836215169 |
| 2026-10-10 19:42:25Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-10 16:09:02Z | origin change | AS19527 → AS15169 | 204092207662916915169 |
| 2026-10-10 16:09:02Z | origin change | AS15169 → AS19527 | 204092198978174645319527 |
| 2026-10-09 09:01:47Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-09 08:59:10Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-09 08:59:10Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-09 08:26:34Z | origin change | AS19527 → AS15169 | 578211258615169 |
| 2026-10-09 07:22:09Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-09 04:03:27Z | origin change | AS15169 → AS19527 | 557202914645319527 |
| 2026-10-09 00:27:41Z | origin change | AS19527 → AS15169 | 48185335615169 |
| 2026-10-09 00:16:40Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-08 22:35:56Z | origin change | AS19527 → AS15169 | 58057183615169 |
| 2026-10-08 22:35:35Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-08 22:35:35Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-08 22:34:24Z | origin change | AS15169 → AS19527 | 7018645319527 |
| 2026-10-08 22:34:02Z | origin change | AS19527 → AS15169 | 22652129915169 |
| 2026-10-08 17:21:23Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-08 17:07:39Z | origin change | AS15169 → AS19527 | 557202914645319527 |
| 2026-10-07 19:03:46Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-07 17:57:33Z | origin change | AS15169 → AS19527 | 557202914645319527 |
| 2026-10-07 16:19:08Z | origin change | AS19527 → AS15169 | 14907129915169 |
| 2026-10-07 16:09:06Z | origin change | AS15169 → AS19527 | 37989563001321324657645319527 |