57.140.247.0/24 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 | 30 | 3454917419527 | 2026-10-23 | 2026-11-01 |
| AS15169 Google LLC | RPKI valid | 12 | 460815169 | 2026-10-23 | 2026-11-01 |
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 | 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 |
|---|---|---|---|
| 2026-11-01 04:59:22Z | origin change | AS15169 → AS19527 | 37989563001321324657335619527 |
| 2026-11-01 04:59:22Z | origin change | AS15169 → AS19527 | 37989563001321324657335619527 |
| 2026-11-01 02:50:02Z | origin change | AS19527 → AS15169 | 4913453356693915169 |
| 2026-10-31 00:08:01Z | origin change | AS15169 → AS19527 | 49432483621764335619527 |
| 2026-10-30 12:32:34Z | origin change | AS19527 → AS15169 | 3492756655693915169 |
| 2026-10-30 12:32:34Z | origin change | AS19527 → AS15169 | 3492756655693915169 |
| 2026-10-29 06:32:47Z | origin change | AS15169 → AS19527 | 1403577335619527 |
| 2026-10-28 18:22:38Z | origin change | AS19527 → AS15169 | 50300325715169 |
| 2026-10-28 08:02:54Z | origin change | AS15169 → AS19527 | 3772117419527 |
| 2026-10-27 14:47:28Z | origin change | AS19527 → AS15169 | 55720693915169 |
| 2026-10-26 02:40:26Z | origin change | AS15169 → AS19527 | 32884032772717419527 |
| 2026-10-25 12:30:40Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-10-25 05:21:39Z | origin change | AS15169 → AS19527 | 32884032772717419527 |
| 2026-10-24 17:20:51Z | origin change | AS19527 → AS15169 | 852325715169 |
| 2026-10-24 13:09:20Z | origin change | AS15169 → AS19527 | 1763917419527 |
| 2026-10-24 01:20:49Z | origin change | AS19527 → AS15169 | 50300325715169 |
| 2026-10-24 01:08:10Z | origin change | AS15169 → AS19527 | 50300335619527 |
| 2026-10-23 20:04:27Z | origin change | AS19527 → AS15169 | 2448215169 |
| 2026-10-23 14:39:43Z | origin change | AS15169 → AS19527 | 599191277917419527 |
| 2026-10-23 09:21:57Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-10-22 18:27:08Z | origin change | AS15169 → AS19527 | 349271299335619527 |
| 2026-10-22 17:37:14Z | origin change | AS19527 → AS15169 | 50300325715169 |
| 2026-10-22 17:34:37Z | origin change | AS15169 → AS19527 | 3549335619527 |
| 2026-10-22 17:34:35Z | origin change | AS19527 → AS15169 | 55720693915169 |
| 2026-10-22 17:34:31Z | origin change | AS15169 → AS19527 | 599199002335619527 |
| 2026-10-22 17:34:30Z | origin change | AS19527 → AS15169 | 3492756655693915169 |
| 2026-10-22 17:34:22Z | origin change | AS15169 → AS19527 | 349275202517419527 |
| 2026-10-22 17:34:20Z | origin change | AS19527 → AS15169 | 4967312389325715169 |
| 2026-10-22 17:34:10Z | origin change | AS19527 → AS15169 | 460815169 |
| 2026-10-22 17:34:10Z | origin change | AS15169 → AS19527 | 20409219897817419527 |
| 2026-10-22 17:34:08Z | origin change | AS15169 → AS19527 | 503041299335619527 |
| 2026-10-22 17:34:07Z | origin change | AS15169 → AS19527 | 206499345492914335619527 |
| 2026-10-22 17:34:07Z | origin change | AS15169 → AS19527 | 58057345492914335619527 |
| 2026-10-22 17:34:07Z | origin change | AS19527 → AS15169 | 1403577325715169 |
| 2026-10-22 17:34:07Z | origin change | AS19527 → AS15169 | 5805734549325715169 |
| 2026-10-22 17:34:06Z | origin change | AS15169 → AS19527 | 37989563001321324657335619527 |
| 2026-10-22 17:34:06Z | origin change | AS15169 → AS19527 | 48185129917419527 |
| 2026-10-22 17:34:06Z | origin change | AS19527 → AS15169 | 4913453356693915169 |
| 2026-10-22 17:34:06Z | origin change | AS15169 → AS19527 | 5805734549129917419527 |
| 2026-10-22 17:34:06Z | origin change | AS15169 → AS19527 | 333312859129917419527 |
| 2026-10-22 17:34:06Z | origin change | AS19527 → AS15169 | 5805734549325715169 |
| 2026-10-22 17:34:06Z | origin change | AS15169 → AS19527 | 49432483621299335619527 |
| 2026-10-22 17:34:06Z | origin change | AS15169 → AS19527 | 37989563001321324657335619527 |
| 2026-10-22 17:34:06Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-10-22 17:34:06Z | origin change | AS19527 → AS15169 | 22652325715169 |
| 2026-10-22 17:34:06Z | origin change | AS19527 → AS15169 | 20649934549325715169 |
| 2026-10-22 17:34:06Z | origin change | AS15169 → AS19527 | 4943248362129917419527 |
| 2026-10-22 17:34:06Z | origin change | AS15169 → AS19527 | 20649934549129917419527 |
| 2026-10-22 17:34:06Z | origin change | AS19527 → AS15169 | 852325715169 |
| 2026-10-22 17:34:06Z | origin change | AS19527 → AS15169 | 33331103325715169 |