57.140.210.0/24 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 | 25 | 34549129919527 | 2026-09-18 | 2026-10-18 |
| AS15169 Google LLC | RPKI valid | 17 | 58057183615169 | 2026-09-18 | 2026-10-18 |
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 | 36 | 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 |
|---|---|---|---|
| 2026-10-18 14:30:07Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-18 12:33:15Z | origin change | AS19527 → AS15169 | 17639693915169 |
| 2026-10-15 21:03:45Z | origin change | AS15169 → AS19527 | 22652129919527 |
| 2026-10-15 19:46:20Z | origin change | AS19527 → AS15169 | 494324836215169 |
| 2026-10-15 17:56:40Z | origin change | AS15169 → AS19527 | 557202914645319527 |
| 2026-10-15 13:49:16Z | origin change | AS19527 → AS15169 | 494324836215169 |
| 2026-10-15 09:20:46Z | origin change | AS15169 → AS19527 | 21628582806762129919527 |
| 2026-10-15 08:03:32Z | origin change | AS19527 → AS15169 | 3549335615169 |
| 2026-10-13 12:35:45Z | origin change | AS15169 → AS19527 | 46087575129919527 |
| 2026-10-13 06:57:54Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-10-12 21:09:34Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-12 15:56:17Z | origin change | AS19527 → AS15169 | 46087575335615169 |
| 2026-10-12 15:02:24Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-12 12:44:15Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-10-11 20:43:10Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-11 10:25:12Z | origin change | AS19527 → AS15169 | 2040923401915169 |
| 2026-10-11 06:53:04Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-10 23:19:23Z | origin change | AS19527 → AS15169 | 494322155104836215169 |
| 2026-10-10 19:42:28Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-10 00:29:55Z | origin change | AS19527 → AS15169 | 17639693915169 |
| 2026-10-09 21:07:12Z | origin change | AS15169 → AS19527 | 37721129919527 |
| 2026-10-09 13:20:38Z | origin change | AS19527 → AS15169 | 17639693915169 |
| 2026-10-09 08:59:14Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-09 08:59:14Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-09 08:26:34Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-10-09 08:26:34Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-10-09 04:03:27Z | origin change | AS15169 → AS19527 | 557202914645319527 |
| 2026-10-09 03:30:06Z | origin change | AS19527 → AS15169 | 55720325715169 |
| 2026-10-09 00:16:40Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-08 23:11:12Z | origin change | AS19527 → AS15169 | 48185335615169 |
| 2026-10-08 22:35:43Z | origin change | AS15169 → AS19527 | 1403577129919527 |
| 2026-10-08 22:34:18Z | origin change | AS19527 → AS15169 | 14907335615169 |
| 2026-10-08 22:34:08Z | origin change | AS19527 → AS15169 | 132825335615169 |
| 2026-10-08 22:33:51Z | origin change | AS15169 → AS19527 | 22652129919527 |
| 2026-10-08 22:33:33Z | origin change | AS15169 → AS19527 | 34927129919527 |
| 2026-10-08 17:55:19Z | origin change | AS19527 → AS15169 | 61218693915169 |
| 2026-10-08 11:59:41Z | origin change | AS15169 → AS19527 | 2950439392129919527 |
| 2026-10-08 00:30:50Z | origin change | AS19527 → AS15169 | 17639693915169 |
| 2026-10-07 17:57:29Z | origin change | AS15169 → AS19527 | 557202914645319527 |
| 2026-10-07 16:42:11Z | origin change | AS19527 → AS15169 | 14907335615169 |
| 2026-10-06 13:26:03Z | origin change | AS15169 → AS19527 | 4967320485129919527 |
| 2026-10-06 03:44:15Z | origin change | AS19527 → AS15169 | 20205693915169 |