57.140.212.0/24 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 | 33 | 3772115169 | 2026-09-18 | 2026-10-17 |
| AS19527 Google LLC (Google Cloud) | RPKI valid | 8 | 3333127319527 | 2026-09-18 | 2026-10-17 |
| AS43515 Google Ireland Limited | RPKI invalid | 1 | 20236550673645343515 | 2026-09-18 | 2026-10-17 |
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 |
|---|---|---|---|
| 2026-10-18 00:11:08Z | origin change | AS15169 → AS19527 | 328840327727174127319527 |
| 2026-10-17 21:15:17Z | origin change | AS19527 → AS15169 | 3798956300132132129915169 |
| 2026-10-15 21:05:40Z | origin change | AS15169 → AS19527 | 328840327727174127319527 |
| 2026-10-15 21:05:36Z | origin change | AS19527 → AS15169 | 34927129915169 |
| 2026-10-15 21:05:16Z | origin change | AS15169 → AS19527 | 1403577127319527 |
| 2026-10-15 08:03:08Z | origin change | AS19527 → AS15169 | 46087575129915169 |
| 2026-10-15 06:35:58Z | origin change | AS15169 → AS19527 | 328840327727174127319527 |
| 2026-10-15 06:27:11Z | origin change | AS19527 → AS15169 | 5062815169 |
| 2026-10-15 06:27:04Z | origin change | AS15169 → AS19527 | 557203257127319527 |
| 2026-10-15 06:26:59Z | origin change | AS15169 → AS19527 | 244822914127319527 |
| 2026-10-15 06:26:59Z | origin change | AS19527 → AS15169 | 2448215169 |
| 2026-10-15 06:26:59Z | origin change | AS15169 → AS19527 | 57821125863257127319527 |
| 2026-10-15 06:26:59Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-10-15 06:26:58Z | origin change | AS19527 → AS15169 | 49134533566424646115169 |
| 2026-10-15 06:26:58Z | origin change | AS15169 → AS19527 | 244822914127319527 |
| 2026-10-15 06:26:58Z | origin change | AS19527 → AS15169 | 20205129915169 |
| 2026-10-15 00:10:01Z | origin change | AS15169 → AS19527 | 328840327727174127319527 |
| 2026-10-14 16:12:15Z | origin change | AS19527 → AS15169 | 46087575129915169 |
| 2026-10-14 03:34:32Z | origin change | AS15169 → AS19527 | 328840327727174127319527 |
| 2026-10-14 00:42:19Z | origin change | AS19527 → AS15169 | 46087575129915169 |
| 2026-10-13 14:34:31Z | origin change | AS15169 → AS19527 | 328840327727174127319527 |
| 2026-10-13 06:57:54Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-10-12 21:08:51Z | origin change | AS15169 → AS19527 | 328840327727174127319527 |
| 2026-10-12 15:56:24Z | origin change | AS19527 → AS15169 | 46087575335615169 |
| 2026-10-12 15:02:20Z | origin change | AS15169 → AS19527 | 328840327727174127319527 |
| 2026-10-12 12:44:15Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-10-11 06:53:00Z | origin change | AS15169 → AS19527 | 328840327727174127319527 |
| 2026-10-10 23:19:23Z | origin change | AS19527 → AS15169 | 4943221551048362129915169 |
| 2026-10-10 19:42:24Z | origin change | AS15169 → AS19527 | 328840327727174127319527 |
| 2026-10-09 13:20:38Z | origin change | AS19527 → AS15169 | 17639900215169 |
| 2026-10-09 08:59:09Z | origin change | AS15169 → AS19527 | 328840327727174127319527 |
| 2026-10-09 08:59:09Z | origin change | AS15169 → AS19527 | 328840327727174127319527 |
| 2026-10-09 08:26:34Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-10-09 08:26:34Z | origin change | AS19527 → AS15169 | 5782112586325715169 |
| 2026-10-09 00:16:40Z | origin change | AS15169 → AS19527 | 328840327727174127319527 |
| 2026-10-08 22:51:00Z | origin change | AS19527 → AS15169 | 48185129915169 |
| 2026-10-08 22:35:57Z | origin change | AS19527 → AS15169 | 580571836335615169 |
| 2026-10-08 22:35:46Z | origin change | AS15169 → AS19527 | 1403577127319527 |
| 2026-10-08 22:34:23Z | origin change | AS15169 → AS19527 | 1328253356127319527 |
| 2026-10-08 22:33:31Z | origin change | AS19527 → AS15169 | 34927129915169 |
| 2026-10-08 21:57:25Z | origin change | AS15169 → AS19527 | 206499345492914127319527 |
| 2026-10-08 12:00:31Z | origin change | AS19527 → AS15169 | 46087575335615169 |
| 2026-10-08 11:59:42Z | origin change | AS15169 → AS19527 | 295043939233891127319527 |
| 2026-10-07 23:40:20Z | origin change | AS19527 → AS15169 | 59919900215169 |
| 2026-10-07 22:06:49Z | origin change | AS15169 → AS19527 | 2132419002127319527 |
| 2026-10-07 22:06:27Z | origin change | AS19527 → AS15169 | 599191277915169 |
| 2026-10-07 22:06:24Z | origin change | AS15169 → AS19527 | 380013491127319527 |
| 2026-10-07 13:59:07Z | origin change | AS19527 → AS15169 | 3772115169 |
| 2026-10-07 10:26:05Z | origin change | AS15169 → AS19527 | 295043939233891127319527 |
| 2026-10-07 10:26:05Z | origin change | AS15169 → AS19527 | 295043939233891127319527 |