2a01:5b0:12::/47 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 |
|---|---|---|---|---|---|
| AS50611 Knipp Medien und Kommunikation GmbH | RPKI valid | 22 | 226522047350611 | 2026-09-18 | 2026-09-23 |
| AS48519 Knipp Medien und Kommunikation GmbH | RPKI valid | 9 | 3454948519 | 2026-09-18 | 2026-09-23 |
| AS8561 Knipp Medien und Kommunikation GmbH | RPKI valid | 7 | 38001362368561 | 2026-09-18 | 2026-09-23 |
RPKI
6 ROAs cover this prefix
| ROA prefix | Max length | Authorised origin | Trust anchor | Result for this route |
|---|---|---|---|---|
| 2a01:5b0:12::/47 | /47 | AS48519 | ripe | wrong origin |
| 2a01:5b0:12::/47 | /47 | AS50611 | ripe | authorises it |
| 2a01:5b0:10::/45 | /48 | AS8561 | ripe | wrong origin |
| 2a01:5b0:10::/45 | /48 | AS48519 | ripe | wrong origin |
| 2a01:5b0:10::/45 | /48 | AS50611 | ripe | authorises it |
| 2a01:5b0::/32 | /48 | AS8391 | ripe | wrong origin |
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 2a01:5b0::/32
- RIR
- RIPENCC
- Country
- 🇩🇪 DE
- Status
- allocated
- Allocated
- 2007-11-06
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 2a01:5b0::/32 v6 | AS8391 Knipp Medien und Kommunikation GmbH | RPKI valid | 35 | 345498391 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-09-23 10:58:57Z | origin change | AS50611 → AS8561 | 3772136236856185618561 |
| 2026-09-23 09:29:55Z | origin change | AS8561 → AS50611 | 333371952047350611 |
| 2026-09-23 09:29:54Z | origin change | AS48519 → AS8561 | 33332914362368561 |
| 2026-09-22 20:52:48Z | origin change | AS50611 → AS48519 | 49432483624851948519 |
| 2026-09-22 16:53:03Z | origin change | AS48519 → AS50611 | 2023656939463712212047350611 |
| 2026-09-22 14:06:19Z | origin change | AS50611 → AS48519 | 49432483624851948519 |
| 2026-09-22 10:39:45Z | origin change | AS8561 → AS50611 | 2023655067371952047350611 |
| 2026-09-22 10:28:15Z | origin change | AS50611 → AS8561 | 2023655067336236856185618561 |
| 2026-09-22 10:28:13Z | origin change | AS8561 → AS50611 | 2023656939463712212047350611 |
| 2026-09-22 10:25:41Z | origin change | AS48519 → AS8561 | 33332914362368561 |
| 2026-09-22 08:27:52Z | origin change | AS50611 → AS48519 | 49432483624851948519 |
| 2026-09-22 06:55:58Z | origin change | AS8561 → AS50611 | 6939463712212047350611 |
| 2026-09-22 06:22:30Z | origin change | AS48519 → AS8561 | 3772136236856185618561 |
| 2026-09-22 00:56:22Z | origin change | AS50611 → AS48519 | 49432483624851948519 |
| 2026-09-21 18:23:28Z | origin change | AS48519 → AS50611 | 2023656939463712212047350611 |
| 2026-09-21 17:29:07Z | origin change | AS50611 → AS48519 | 345494851948519 |
| 2026-09-21 14:46:13Z | origin change | AS8561 → AS50611 | 2023656939463712212047350611 |
| 2026-09-21 13:29:18Z | origin change | AS50611 → AS8561 | 216285828067622914362368561 |
| 2026-09-21 12:21:52Z | origin change | AS48519 → AS50611 | 2023656939463712212047350611 |
| 2026-09-21 11:10:28Z | origin change | AS8561 → AS48519 | 503004851948519 |
| 2026-09-21 11:04:44Z | origin change | AS50611 → AS8561 | 503002914362368561 |
| 2026-09-21 06:59:07Z | origin change | AS48519 → AS50611 | 6939463712212047350611 |
| 2026-09-21 05:32:51Z | origin change | AS50611 → AS48519 | 49432483624851948519 |
| 2026-09-21 05:32:36Z | origin change | AS8561 → AS50611 | 49432215510581156939463712212047350611 |
| 2026-09-21 05:08:26Z | origin change | AS50611 → AS8561 | 216285828067622914362368561 |
| 2026-09-21 02:46:39Z | origin change | AS8561 → AS50611 | 2023655067371952047350611 |
| 2026-09-21 02:46:13Z | origin change | AS50611 → AS8561 | 33332914362368561 |
| 2026-09-21 02:46:13Z | origin change | AS8561 → AS50611 | 333371952047350611 |
| 2026-09-21 02:46:12Z | origin change | AS50611 → AS8561 | 20236550673174362368561 |
| 2026-09-20 01:21:32Z | origin change | AS8561 → AS50611 | 2023656939463712212047350611 |
| 2026-09-20 01:05:26Z | origin change | AS50611 → AS8561 | 1490736236856185618561 |
| 2026-09-19 04:18:26Z | origin change | AS8561 → AS50611 | 333371952047350611 |
| 2026-09-19 04:18:26Z | origin change | AS48519 → AS8561 | 20236550673174362368561 |
| 2026-09-19 02:26:02Z | origin change | AS50611 → AS48519 | 49432483624851948519 |
| 2026-09-19 02:25:22Z | origin change | AS48519 → AS50611 | 49432215510581156939463712212047350611 |
| 2026-09-19 01:26:38Z | origin change | AS50611 → AS48519 | 49432483624851948519 |
| 2026-09-18 19:12:12Z | origin change | AS50611 → AS8561 | 33332914362368561 |
| 2026-09-18 19:12:12Z | origin change | AS8561 → AS50611 | 333371952047350611 |
| 2026-09-18 12:51:46Z | origin change | AS48519 → AS50611 | 578211258632572047350611 |
| 2026-09-18 12:51:46Z | origin change | AS50611 → AS48519 | 2950469394851948519 |
| 2026-09-18 12:51:46Z | origin change | AS48519 → AS50611 | 14036939463712212047350611 |
| 2026-09-18 06:41:39Z | origin change | AS50611 → AS48519 | 49432483624851948519 |