23.19.52.0/24 RPKI valid MOAS
Announced by 11 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 |
|---|---|---|---|---|---|
| AS60781 LeaseWeb Netherlands B.V. | RPKI valid | 12 | 377211626560781 | 2026-09-18 | 2026-09-22 |
| AS28753 Leaseweb Deutschland GmbH | RPKI valid | 9 | 345491626528753 | 2026-09-18 | 2026-09-22 |
| AS133752 LEASEWEB HONG KONG LIMITED | RPKI valid | 4 | 557202914133752 | 2026-09-18 | 2026-09-22 |
| AS59253 Leaseweb Singapore Pte. Ltd. | RPKI valid | 3 | 380011626559253 | 2026-09-18 | 2026-09-22 |
| AS32613 Leaseweb Canada Inc. | RPKI valid | 3 | 226521626532613 | 2026-09-18 | 2026-09-22 |
| AS136988 LEASEWEB AUSTRALIA PTY LIMITED | RPKI valid | 3 | 443936407316265136988 | 2026-09-18 | 2026-09-22 |
| AS394380 Leaseweb USA, Inc. | RPKI valid | 2 | 349271299394380 | 2026-09-18 | 2026-09-22 |
| AS205544 Leaseweb UK Limited | RPKI valid | 2 | 5030016265205544 | 2026-09-18 | 2026-09-22 |
| AS19148 Leaseweb USA, Inc. | RPKI valid | 2 | 3549335619148 | 2026-09-18 | 2026-09-22 |
| AS396362 Leaseweb USA, Inc. | RPKI valid | 2 | 202051299396362 | 2026-09-18 | 2026-09-22 |
| AS395954 Leaseweb USA, Inc. | RPKI valid | 1 | 491345335664241299395954 | 2026-09-18 | 2026-09-22 |
RPKI
17 ROAs cover this prefix
| ROA prefix | Max length | Authorised origin | Trust anchor | Result for this route |
|---|---|---|---|---|
| 23.19.52.0/24 | /24 | AS7203 | arin | wrong origin |
| 23.19.52.0/24 | /24 | AS19148 | arin | wrong origin |
| 23.19.52.0/24 | /24 | AS27411 | arin | wrong origin |
| 23.19.52.0/24 | /24 | AS28753 | arin | wrong origin |
| 23.19.52.0/24 | /24 | AS30633 | arin | wrong origin |
| 23.19.52.0/24 | /24 | AS32613 | arin | wrong origin |
| 23.19.52.0/24 | /24 | AS59253 | arin | wrong origin |
| 23.19.52.0/24 | /24 | AS60781 | arin | authorises it |
| 23.19.52.0/24 | /24 | AS133752 | arin | wrong origin |
| 23.19.52.0/24 | /24 | AS134351 | arin | wrong origin |
| 23.19.52.0/24 | /24 | AS136988 | arin | wrong origin |
| 23.19.52.0/24 | /24 | AS205544 | arin | wrong origin |
| 23.19.52.0/24 | /24 | AS393886 | arin | wrong origin |
| 23.19.52.0/24 | /24 | AS394380 | arin | wrong origin |
| 23.19.52.0/24 | /24 | AS395954 | arin | wrong origin |
| 23.19.52.0/24 | /24 | AS396190 | arin | wrong origin |
| 23.19.52.0/24 | /24 | AS396362 | arin | wrong origin |
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 23.19.52.0/22
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 2011-04-25
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-09-22 11:36:35Z | origin change | AS133752 → AS32613 | 8521626532613 |
| 2026-09-22 11:29:15Z | origin change | AS205544 → AS133752 | 557202914133752 |
| 2026-09-22 10:41:39Z | origin change | AS28753 → AS205544 | 328840327727174205544 |
| 2026-09-22 10:40:15Z | origin change | AS32613 → AS28753 | 5782112586325728753 |
| 2026-09-22 10:29:28Z | origin change | AS28753 → AS32613 | 8521626532613 |
| 2026-09-22 10:23:23Z | origin change | AS32613 → AS28753 | 5782112586325728753 |
| 2026-09-22 10:09:19Z | origin change | AS205544 → AS32613 | 8521626532613 |
| 2026-09-22 09:42:07Z | origin change | AS32613 → AS205544 | 328840327727174205544 |
| 2026-09-22 07:10:05Z | origin change | AS205544 → AS32613 | 8521626532613 |
| 2026-09-22 06:20:28Z | origin change | AS60781 → AS205544 | 328840327727174205544 |
| 2026-09-22 06:19:35Z | origin change | AS205544 → AS60781 | 377211626560781 |
| 2026-09-22 00:05:26Z | origin change | AS394380 → AS205544 | 328840327727174205544 |
| 2026-09-21 14:03:28Z | origin change | AS396362 → AS394380 | 349271299394380 |
| 2026-09-21 14:03:04Z | origin change | AS205544 → AS396362 | 349271299396362 |
| 2026-09-21 11:15:00Z | origin change | AS133752 → AS205544 | 5030016265205544 |
| 2026-09-21 11:05:35Z | origin change | AS19148 → AS133752 | 503002914133752 |
| 2026-09-21 11:03:09Z | origin change | AS205544 → AS19148 | 50300335619148 |
| 2026-09-21 11:02:04Z | origin change | AS136988 → AS205544 | 50300174205544 |
| 2026-09-21 05:00:40Z | origin change | AS205544 → AS136988 | 1490748262764136988136988136988 |
| 2026-09-19 08:43:19Z | origin change | AS60781 → AS205544 | 328840327727174205544 |
| 2026-09-19 08:30:26Z | origin change | AS205544 → AS60781 | 295041593517460781 |
| 2026-09-18 14:02:32Z | origin change | AS60781 → AS205544 | 328840327727174205544 |
| 2026-09-18 07:14:22Z | origin change | AS136988 → AS60781 | 57381427081626560781 |
| 2026-09-18 05:00:36Z | origin change | AS396362 → AS136988 | 1490748262764136988136988136988 |