57.140.208.0/24 RPKI valid MOAS
Announced by 3 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 | 2026-10-24 |
| AS19527 Google LLC (Google Cloud) | RPKI valid | 2 | 328840327727174129919527 | 2026-09-18 | 2026-10-24 |
| AS43515 Google Ireland Limited | RPKI invalid | 1 | 20236550673645343515 | 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 |
|---|---|---|---|
| 2026-10-21 12:18:38Z | origin change | AS19527 → AS15169 | 17639900215169 |
| 2026-10-21 03:48:16Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-21 03:48:00Z | origin change | AS19527 → AS15169 | 55720325715169 |
| 2026-10-21 03:47:54Z | origin change | AS15169 → AS19527 | 2162858280174129919527 |
| 2026-10-21 03:47:40Z | origin change | AS19527 → AS15169 | 46081221463715169 |
| 2026-10-21 03:47:24Z | origin change | AS43515 → AS19527 | 2162858280174645319527 |
| 2026-10-21 03:47:22Z | origin change | AS19527 → AS43515 | 20236550673645343515 |
| 2026-10-21 02:26:03Z | origin change | AS15169 → AS19527 | 328840327727174645319527 |
| 2026-10-21 02:25:42Z | origin change | AS19527 → AS15169 | 46087575129915169 |
| 2026-10-21 02:25:00Z | origin change | AS15169 → AS19527 | 7018645319527 |
| 2026-10-20 21:48:42Z | origin change | AS19527 → AS15169 | 599191277915169 |
| 2026-10-20 17:13:44Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-20 11:36:58Z | origin change | AS19527 → AS15169 | 348003454915169 |
| 2026-10-20 10:02:19Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-20 08:44:52Z | origin change | AS19527 → AS15169 | 4943248362900215169 |
| 2026-10-20 03:52:22Z | origin change | AS15169 → AS19527 | 2162858280174129919527 |
| 2026-10-20 02:35:51Z | origin change | AS19527 → AS15169 | 2162858280335615169 |
| 2026-10-20 00:05:27Z | origin change | AS15169 → AS19527 | 2162858280174129919527 |
| 2026-10-19 03:26:16Z | origin change | AS19527 → AS15169 | 17639900215169 |
| 2026-10-18 14:30:08Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-18 12:33:15Z | origin change | AS19527 → AS15169 | 17639900215169 |
| 2026-10-18 00:11:04Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-17 21:16:12Z | origin change | AS19527 → AS15169 | 37989563001321324657900215169 |
| 2026-10-17 07:23:30Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-16 16:09:04Z | origin change | AS19527 → AS15169 | 2064993454915169 |
| 2026-10-15 21:05:40Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-15 13:49:17Z | origin change | AS19527 → AS15169 | 4943248362900215169 |
| 2026-10-15 09:20:46Z | origin change | AS15169 → AS19527 | 2162858280174129919527 |
| 2026-10-15 08:03:05Z | origin change | AS19527 → AS15169 | 3549335615169 |
| 2026-10-15 00:10:04Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-14 18:06:21Z | origin change | AS19527 → AS15169 | 55720325715169 |
| 2026-10-13 14:34:35Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-13 06:57:54Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-10-12 21:09:20Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-12 15:54:44Z | origin change | AS19527 → AS15169 | 46087575335615169 |
| 2026-10-12 15:02:23Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-12 12:44:15Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-10-11 06:53:03Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |
| 2026-10-10 23:19:23Z | origin change | AS19527 → AS15169 | 4943221551048362129915169 |
| 2026-10-10 19:42:27Z | origin change | AS15169 → AS19527 | 328840327727174129919527 |