57.140.240.0/24 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 | 42 | 34549640495583619527 | 2026-09-18 | 2026-10-17 |
| AS15169 Google LLC | RPKI valid | 1 | 2448215169 | 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 | 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 |
|---|---|---|---|
| 2026-10-17 07:52:37Z | origin change | AS15169 → AS19527 | 4967320485640495583619527 |
| 2026-10-17 07:52:37Z | origin change | AS19527 → AS15169 | 4967320485645315169 |
| 2026-10-17 07:50:01Z | origin change | AS15169 → AS19527 | 578211258632573356640495583619527 |
| 2026-10-17 07:49:49Z | origin change | AS19527 → AS15169 | 443932120246206645315169 |
| 2026-10-17 07:48:37Z | origin change | AS15169 → AS19527 | 14035774637640495583619527 |
| 2026-10-17 07:48:37Z | origin change | AS19527 → AS15169 | 4967320485645315169 |
| 2026-10-17 07:48:18Z | origin change | AS19527 → AS15169 | 50628645315169 |
| 2026-10-17 07:48:09Z | origin change | AS15169 → AS19527 | 612186939640495583619527 |
| 2026-10-17 00:24:36Z | origin change | AS15169 → AS19527 | 8522914640495583619527 |
| 2026-10-17 00:24:35Z | origin change | AS19527 → AS15169 | 443932120246206645315169 |
| 2026-10-17 00:24:24Z | origin change | AS15169 → AS19527 | 1328253356640495583619527 |
| 2026-10-17 00:24:20Z | origin change | AS19527 → AS15169 | 4967320485645315169 |
| 2026-10-17 00:24:10Z | origin change | AS15169 → AS19527 | 140357712735541019527 |
| 2026-10-17 00:24:05Z | origin change | AS19527 → AS15169 | 50628645315169 |
| 2026-10-16 09:31:42Z | origin change | AS19527 → AS15169 | 4967320485645315169 |
| 2026-10-16 09:31:42Z | origin change | AS15169 → AS19527 | 4967320485640495583619527 |
| 2026-10-16 09:31:21Z | origin change | AS15169 → AS19527 | 578211258632575541019527 |
| 2026-10-16 09:29:03Z | origin change | AS19527 → AS15169 | 50628645315169 |
| 2026-10-16 01:33:18Z | origin change | AS15169 → AS19527 | 3288403277271743356640495583619527 |
| 2026-10-16 01:32:35Z | origin change | AS19527 → AS15169 | 443932120246206645315169 |
| 2026-10-16 01:31:49Z | origin change | AS15169 → AS19527 | 58057174640495583619527 |
| 2026-10-16 01:31:49Z | origin change | AS19527 → AS15169 | 4967320485645315169 |
| 2026-10-16 01:31:43Z | origin change | AS19527 → AS15169 | 50628645315169 |
| 2026-10-16 01:31:43Z | origin change | AS15169 → AS19527 | 216285828067621745541019527 |
| 2026-10-15 08:12:14Z | origin change | AS15169 → AS19527 | 3492756655693912735541019527 |
| 2026-10-15 08:12:13Z | origin change | AS19527 → AS15169 | 496733216645315169 |
| 2026-10-15 08:12:13Z | origin change | AS15169 → AS19527 | 38001747312735541019527 |
| 2026-10-15 08:12:11Z | origin change | AS19527 → AS15169 | 1403577645315169 |
| 2026-10-15 08:12:10Z | origin change | AS15169 → AS19527 | 204092207662916932575541019527 |
| 2026-10-15 08:12:10Z | origin change | AS19527 → AS15169 | 2040923401962000645315169 |
| 2026-10-15 08:12:07Z | origin change | AS15169 → AS19527 | 2064993454929141745541019527 |
| 2026-10-15 08:11:56Z | origin change | AS19527 → AS15169 | 443935805750673645315169 |
| 2026-10-15 08:11:54Z | origin change | AS19527 → AS15169 | 176399304645315169 |
| 2026-10-15 08:11:53Z | origin change | AS15169 → AS19527 | 3798956300132132465729141745541019527 |
| 2026-10-15 08:11:51Z | origin change | AS19527 → AS15169 | 204092207662916935280645315169 |
| 2026-10-15 08:11:44Z | origin change | AS15169 → AS19527 | 450496696129912735541019527 |
| 2026-10-15 08:11:43Z | origin change | AS19527 → AS15169 | 4967320485645315169 |
| 2026-10-15 08:11:43Z | origin change | AS19527 → AS15169 | 443932120246206645315169 |
| 2026-10-15 08:11:43Z | origin change | AS15169 → AS19527 | 3333332032575541019527 |
| 2026-10-15 08:11:36Z | origin change | AS19527 → AS15169 | 50628645315169 |
| 2026-10-15 08:11:36Z | origin change | AS15169 → AS19527 | 295043939217432575541019527 |
| 2026-10-15 08:11:35Z | origin change | AS19527 → AS15169 | 2040923401962000645315169 |
| 2026-10-15 08:11:34Z | origin change | AS19527 → AS15169 | 37721645315169 |
| 2026-10-15 08:11:34Z | origin change | AS15169 → AS19527 | 50304129912735541019527 |
| 2026-10-15 08:11:33Z | origin change | AS15169 → AS19527 | 59919127792914645347555541019527 |
| 2026-10-15 08:11:32Z | origin change | AS19527 → AS15169 | 1403577645315169 |
| 2026-10-15 08:10:46Z | origin change | AS15169 → AS19527 | 34549291412735541019527 |
| 2026-10-15 08:10:41Z | origin change | AS15169 → AS19527 | 345491745541019527 |
| 2026-10-12 18:43:08Z | origin change | AS15169 → AS19527 | 443933942561745541019527 |
| 2026-10-12 18:43:08Z | origin change | AS19527 → AS15169 | 496733216645315169 |