57.140.244.0/24 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 | 31 | 3454917419527 | 2026-09-18 | 2026-10-11 |
| AS15169 Google LLC | RPKI valid | 12 | 460815169 | 2026-09-18 | 2026-10-11 |
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 | 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 |
|---|---|---|---|
| 2026-10-09 08:59:18Z | origin change | AS15169 → AS19527 | 32884032772717419527 |
| 2026-10-09 08:26:34Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-10-08 22:36:32Z | origin change | AS15169 → AS19527 | 3549335619527 |
| 2026-10-08 22:34:41Z | origin change | AS19527 → AS15169 | 460815169 |
| 2026-10-08 22:33:36Z | origin change | AS15169 → AS19527 | 349271299335619527 |
| 2026-10-08 17:08:06Z | origin change | AS19527 → AS15169 | 55720693915169 |
| 2026-10-08 11:59:41Z | origin change | AS15169 → AS19527 | 295043939217419527 |
| 2026-10-08 11:58:36Z | origin change | AS19527 → AS15169 | 460815169 |
| 2026-10-08 11:03:23Z | origin change | AS15169 → AS19527 | 3549335619527 |
| 2026-10-07 17:55:06Z | origin change | AS19527 → AS15169 | 4913453356693915169 |
| 2026-10-05 22:22:46Z | origin change | AS15169 → AS19527 | 20514129917419527 |
| 2026-10-05 22:02:47Z | origin change | AS19527 → AS15169 | 4967312389325715169 |
| 2026-10-03 09:14:14Z | origin change | AS15169 → AS19527 | 3772117419527 |
| 2026-10-03 05:55:57Z | origin change | AS19527 → AS15169 | 55720325715169 |
| 2026-10-03 05:54:23Z | origin change | AS15169 → AS19527 | 557202914335619527 |
| 2026-10-03 05:53:22Z | origin change | AS19527 → AS15169 | 55720325715169 |
| 2026-10-03 05:52:36Z | origin change | AS15169 → AS19527 | 557202914335619527 |
| 2026-10-03 05:17:39Z | origin change | AS19527 → AS15169 | 55720325715169 |
| 2026-10-02 14:15:52Z | origin change | AS15169 → AS19527 | 48185335617419527 |
| 2026-10-02 14:15:49Z | origin change | AS19527 → AS15169 | 49432483621764325715169 |
| 2026-10-02 13:49:21Z | origin change | AS15169 → AS19527 | 5738150304129917419527 |
| 2026-10-02 13:49:16Z | origin change | AS19527 → AS15169 | 49432483621764325715169 |
| 2026-10-02 13:38:01Z | origin change | AS15169 → AS19527 | 32884032772717419527 |
| 2026-10-02 13:19:46Z | origin change | AS19527 → AS15169 | 244821008415169 |
| 2026-10-02 11:37:27Z | origin change | AS15169 → AS19527 | 14907335617419527 |
| 2026-10-02 11:34:55Z | origin change | AS19527 → AS15169 | 460815169 |
| 2026-10-02 11:33:48Z | origin change | AS19527 → AS15169 | 49432483621764325715169 |
| 2026-10-02 11:33:48Z | origin change | AS15169 → AS19527 | 48185335617419527 |
| 2026-10-01 18:45:25Z | origin change | AS15169 → AS19527 | 32884032772717419527 |
| 2026-10-01 05:01:38Z | origin change | AS19527 → AS15169 | 460815169 |
| 2026-10-01 03:33:19Z | origin change | AS15169 → AS19527 | 32884032772717419527 |
| 2026-09-30 19:10:10Z | origin change | AS19527 → AS15169 | 852325715169 |
| 2026-09-30 18:07:48Z | origin change | AS15169 → AS19527 | 32884032772717419527 |
| 2026-09-30 14:39:10Z | origin change | AS19527 → AS15169 | 852325715169 |
| 2026-09-30 13:49:15Z | origin change | AS15169 → AS19527 | 557202914335619527 |
| 2026-09-30 12:32:41Z | origin change | AS19527 → AS15169 | 443936407315169 |
| 2026-09-30 12:12:24Z | origin change | AS15169 → AS19527 | 295043939217419527 |
| 2026-09-30 12:09:39Z | origin change | AS19527 → AS15169 | 443936407315169 |
| 2026-09-30 11:45:54Z | origin change | AS15169 → AS19527 | 3772117419527 |
| 2026-09-30 04:15:05Z | origin change | AS19527 → AS15169 | 852325715169 |
| 2026-09-30 03:49:14Z | origin change | AS15169 → AS19527 | 32884032772717419527 |
| 2026-09-29 16:22:12Z | origin change | AS19527 → AS15169 | 852325715169 |
| 2026-09-29 13:07:06Z | origin change | AS15169 → AS19527 | 295043939217419527 |