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 | 21 | 226522047350611 | 2026-09-18 | 2026-11-08 |
| AS48519 Knipp Medien und Kommunikation GmbH | RPKI valid | 9 | 3454948519 | 2026-09-18 | 2026-11-08 |
| AS8561 Knipp Medien und Kommunikation GmbH | RPKI valid | 6 | 38001362368561 | 2026-09-18 | 2026-11-08 |
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 | 33 | 3454988818391 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-11-08 05:31:11Z | origin change | AS50611 → AS48519 | 49432483624851948519 |
| 2026-11-08 05:30:31Z | origin change | AS8561 → AS50611 | 49432215510581156939463712212047350611 |
| 2026-11-06 20:16:46Z | origin change | AS48519 → AS8561 | 17639362368561 |
| 2026-11-05 18:00:55Z | origin change | AS50611 → AS48519 | 49432483624851948519 |
| 2026-11-05 12:17:39Z | origin change | AS50611 → AS48519 | 2950469394851948519 |
| 2026-11-05 12:17:39Z | origin change | AS48519 → AS50611 | 295046939463712212047350611 |
| 2026-11-05 12:17:39Z | origin change | AS48519 → AS50611 | 349276939463712212047350611 |
| 2026-11-05 09:35:14Z | origin change | AS8561 → AS48519 | 503004851948519 |
| 2026-11-05 09:04:31Z | origin change | AS50611 → AS8561 | 21628582806762174362368561 |
| 2026-11-04 23:39:54Z | origin change | AS48519 → AS50611 | 5030071952047350611 |
| 2026-11-04 19:00:59Z | origin change | AS50611 → AS48519 | 49432483624851948519 |
| 2026-11-04 09:09:49Z | origin change | AS8561 → AS50611 | 34800296322047350611 |
| 2026-11-04 06:22:54Z | origin change | AS48519 → AS8561 | 3772136236856185618561 |
| 2026-11-04 02:13:15Z | origin change | AS50611 → AS48519 | 503004851948519 |
| 2026-11-04 02:10:46Z | origin change | AS8561 → AS50611 | 5030033562047350611 |
| 2026-11-03 23:08:42Z | origin change | AS50611 → AS8561 | 21628582806762174362368561 |
| 2026-11-03 22:05:01Z | origin change | AS8561 → AS50611 | 21324171952047350611 |
| 2026-11-03 21:06:38Z | origin change | AS50611 → AS8561 | 3772136236856185618561 |
| 2026-11-03 19:08:51Z | origin change | AS8561 → AS50611 | 5782112586325712992047350611 |
| 2026-11-03 17:35:22Z | origin change | AS50611 → AS8561 | 4504966962914362368561 |
| 2026-11-03 17:35:17Z | origin change | AS8561 → AS50611 | 8526939463712212047350611 |
| 2026-11-03 17:35:01Z | origin change | AS50611 → AS8561 | 22652174362368561 |
| 2026-11-03 17:34:57Z | origin change | AS8561 → AS50611 | 226526939463712212047350611 |
| 2026-11-03 17:34:56Z | origin change | AS50611 → AS8561 | 14035776939362368561 |
| 2026-11-03 17:34:56Z | origin change | AS8561 → AS50611 | 6939463712212047350611 |
| 2026-11-03 17:34:56Z | origin change | AS8561 → AS50611 | 14036939463712212047350611 |
| 2026-11-03 17:34:56Z | origin change | AS50611 → AS8561 | 14035776939362368561 |
| 2026-11-03 17:34:56Z | origin change | AS48519 → AS8561 | 44393580576939362368561 |
| 2026-11-03 17:34:56Z | origin change | AS50611 → AS8561 | 612182963236236856185618561 |
| 2026-11-03 17:34:56Z | origin change | AS8561 → AS50611 | 388556939463712212047350611 |
| 2026-11-03 17:34:56Z | origin change | AS8561 → AS50611 | 14036939463712212047350611 |
| 2026-11-03 17:34:56Z | origin change | AS50611 → AS8561 | 14035776939362368561 |
| 2026-11-03 17:34:55Z | origin change | AS48519 → AS8561 | 20205174362368561 |
| 2026-11-03 17:34:55Z | origin change | AS8561 → AS48519 | 44393205794356614851948519 |
| 2026-11-03 17:34:54Z | origin change | AS50611 → AS48519 | 2950469394851948519 |
| 2026-11-03 17:34:54Z | origin change | AS8561 → AS50611 | 295046939463712212047350611 |
| 2026-11-03 17:34:54Z | origin change | AS8561 → AS50611 | 57821125866939463712212047350611 |
| 2026-11-03 17:34:54Z | origin change | AS48519 → AS8561 | 612182963236236856185618561 |
| 2026-11-03 17:34:54Z | origin change | AS50611 → AS48519 | 6121869394851948519 |
| 2026-11-03 17:34:54Z | origin change | AS50611 → AS8561 | 57821125863257174362368561 |
| 2026-11-03 17:34:50Z | origin change | AS8561 → AS50611 | 349276939463712212047350611 |
| 2026-11-03 17:34:50Z | origin change | AS48519 → AS8561 | 6121869392914362368561 |
| 2026-11-03 17:34:39Z | origin change | AS50611 → AS48519 | 58057345494851948519 |
| 2026-11-03 17:34:35Z | origin change | AS48519 → AS50611 | 379896939463712212047350611 |
| 2026-11-03 17:34:30Z | origin change | AS50611 → AS48519 | 21324190024851948519 |
| 2026-11-03 17:34:27Z | origin change | AS8561 → AS50611 | 379896939463712212047350611 |
| 2026-11-03 17:34:20Z | origin change | AS8561 → AS50611 | 701834912047350611 |
| 2026-11-03 17:34:20Z | origin change | AS50611 → AS8561 | 20205174362368561 |
| 2026-11-03 17:34:08Z | origin change | AS48519 → AS8561 | 348002963236236856185618561 |
| 2026-11-03 17:34:08Z | origin change | AS50611 → AS48519 | 348002963290024851948519 |