57.140.242.0/24 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 | 40 | 3800115169 | 2026-09-18 | 2026-10-24 |
| AS19527 Google LLC (Google Cloud) | RPKI valid | 6 | 503003257558019527 | 2026-09-18 | 2026-10-24 |
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 |
|---|---|---|---|
| 2026-10-24 17:29:51Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-24 17:22:56Z | origin change | AS15169 → AS19527 | 8523491558019527 |
| 2026-10-24 02:05:03Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-24 01:40:48Z | origin change | AS15169 → AS19527 | 503003257558019527 |
| 2026-10-23 14:40:14Z | origin change | AS19527 → AS15169 | 59919900215169 |
| 2026-10-23 14:39:44Z | origin change | AS15169 → AS19527 | 59919127793257558019527 |
| 2026-10-23 09:29:34Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-23 09:22:02Z | origin change | AS15169 → AS19527 | 57821125863257558019527 |
| 2026-10-22 03:13:09Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-22 02:16:55Z | origin change | AS15169 → AS19527 | 57821125863257558019527 |
| 2026-10-20 21:51:32Z | origin change | AS19527 → AS15169 | 59919900215169 |
| 2026-10-20 21:48:45Z | origin change | AS15169 → AS19527 | 59919127793257558019527 |
| 2026-10-20 17:53:50Z | origin change | AS15169 → AS19527 | 5991990023257558019527 |
| 2026-10-20 17:53:50Z | origin change | AS19527 → AS15169 | 599199002645315169 |
| 2026-10-15 21:05:38Z | origin change | AS19527 → AS15169 | 328840327727174645315169 |
| 2026-10-15 21:05:29Z | origin change | AS15169 → AS19527 | 14035773491558019527 |
| 2026-10-15 08:12:35Z | origin change | AS19527 → AS15169 | 29504393921299645315169 |
| 2026-10-15 08:03:34Z | origin change | AS15169 → AS19527 | 354933563257558019527 |
| 2026-10-13 07:29:03Z | origin change | AS19527 → AS15169 | 3822915169 |
| 2026-10-13 06:57:54Z | origin change | AS15169 → AS19527 | 57821125863257558019527 |
| 2026-10-12 15:02:22Z | origin change | AS19527 → AS15169 | 328840327727174645315169 |
| 2026-10-12 12:44:15Z | origin change | AS15169 → AS19527 | 57821125863257558019527 |
| 2026-10-12 03:30:24Z | origin change | AS19527 → AS15169 | 3822915169 |