57.140.192.0/18 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 | 36 | 3454915169 | 2026-09-18 | 2026-10-12 |
| AS19527 Google LLC (Google Cloud) | RPKI valid | 16 | 693919527 | 2026-09-18 | 2026-10-12 |
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
Nothing less specific is announced.
More specific routes
53 announced prefixes inside this one
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-13 04:22:34Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-13 03:15:33Z | origin change | AS15169 → AS19527 | 34927693919527 |
| 2026-10-13 02:49:33Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-13 01:17:04Z | origin change | AS15169 → AS19527 | 32884032772717419527 |
| 2026-10-13 01:15:29Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-13 00:39:05Z | origin change | AS15169 → AS19527 | 202365506731240019527 |
| 2026-10-12 22:07:54Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-12 21:55:00Z | origin change | AS15169 → AS19527 | 32884032772717419527 |
| 2026-10-12 21:35:29Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-12 21:09:39Z | origin change | AS15169 → AS19527 | 32884032772717419527 |
| 2026-10-12 15:22:38Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-12 15:02:33Z | origin change | AS15169 → AS19527 | 32884032772717419527 |
| 2026-10-12 14:22:22Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-12 14:08:38Z | origin change | AS19527 → AS15169 | 3772115169 |
| 2026-10-12 13:58:44Z | origin change | AS19527 → AS15169 | 3772115169 |
| 2026-10-12 13:27:50Z | origin change | AS19527 → AS15169 | 3772115169 |
| 2026-10-12 13:02:18Z | origin change | AS19527 → AS15169 | 3772115169 |
| 2026-10-12 12:49:27Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-12 12:44:15Z | origin change | AS19527 → AS15169 | 578211258615169 |
| 2026-10-12 12:38:20Z | origin change | AS19527 → AS15169 | 3772115169 |
| 2026-10-12 09:10:22Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-12 08:10:03Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-12 07:03:06Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-12 06:36:38Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-12 06:20:05Z | origin change | AS19527 → AS15169 | 3772115169 |
| 2026-10-12 05:37:17Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-12 05:03:27Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-12 03:24:17Z | origin change | AS15169 → AS19527 | 32884032772717419527 |
| 2026-10-12 02:58:03Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-11 20:54:47Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-11 20:43:20Z | origin change | AS15169 → AS19527 | 32884032772717419527 |
| 2026-10-11 20:43:20Z | origin change | AS15169 → AS19527 | 32884032772717419527 |
| 2026-10-11 12:00:09Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-11 10:27:36Z | origin change | AS15169 → AS19527 | 204092693919527 |
| 2026-10-11 07:19:06Z | origin change | AS19527 → AS15169 | 20236515169 |
| 2026-10-11 06:53:12Z | origin change | AS15169 → AS19527 | 32884032772717419527 |
| 2026-10-11 06:53:12Z | origin change | AS15169 → AS19527 | 32884032772717419527 |
| 2026-10-10 23:20:37Z | origin change | AS19527 → AS15169 | 494324836215169 |
| 2026-10-10 23:19:23Z | origin change | AS15169 → AS19527 | 4943221551058115693919527 |
| 2026-10-10 19:57:37Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-10 19:42:36Z | origin change | AS15169 → AS19527 | 32884032772717419527 |
| 2026-10-10 19:42:36Z | origin change | AS15169 → AS19527 | 32884032772717419527 |
| 2026-10-09 21:20:43Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-09 21:11:37Z | origin change | AS15169 → AS19527 | 693919527 |
| 2026-10-09 16:10:48Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-09 15:39:20Z | origin change | AS15169 → AS19527 | 693919527 |
| 2026-10-09 10:01:33Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-09 09:47:09Z | origin change | AS15169 → AS19527 | 32884032772717419527 |
| 2026-10-09 09:47:09Z | origin change | AS15169 → AS19527 | 32884032772717419527 |
| 2026-10-09 09:39:10Z | origin change | AS19527 → AS15169 | 32884032772715169 |