51.163.192.0/18 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 |
|---|---|---|---|---|---|
| AS48152 Digital Frankfurt GmbH | RPKI valid | 42 | 3772148152 | 2026-10-16 | 2026-10-29 |
| AS47973 Digital Realty Netherlands B.V. | RPKI invalid | 1 | 2132419002325747973 | 2026-09-18 | 2026-10-29 |
RPKI
1 ROA covers this prefix
| ROA prefix | Max length | Authorised origin | Trust anchor | Result for this route |
|---|---|---|---|---|
| 51.163.192.0/18 | /24 | AS48152 | ripe | authorises it |
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 51.163.192.0/18
- RIR
- RIPENCC
- Country
- 🇳🇱 NL
- Status
- allocated
- Allocated
- 1993-09-01
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 |
|---|---|---|---|
| 2026-10-15 19:04:27Z | origin change | AS48152 → AS47973 | 496733150047973 |
| 2026-10-15 19:04:27Z | origin change | AS47973 → AS48152 | 4967320485129948152 |
| 2026-10-15 19:04:09Z | origin change | AS47973 → AS48152 | 3492756655129948152 |
| 2026-10-15 19:04:08Z | origin change | AS48152 → AS47973 | 496733150047973 |
| 2026-10-15 19:04:00Z | origin change | AS47973 → AS48152 | 44393357104809129948152 |
| 2026-10-15 19:04:00Z | origin change | AS48152 → AS47973 | 44393394256693947973 |
| 2026-10-15 19:04:00Z | origin change | AS47973 → AS48152 | 49134533566424129948152 |
| 2026-10-15 19:03:59Z | origin change | AS48152 → AS47973 | 2040922076647973 |
| 2026-10-15 19:03:59Z | origin change | AS48152 → AS47973 | 494322155104836247973 |
| 2026-10-15 19:03:59Z | origin change | AS47973 → AS48152 | 204092198978174129948152 |
| 2026-10-15 19:03:59Z | origin change | AS47973 → AS48152 | 4943221551031543174129948152 |
| 2026-10-15 19:03:59Z | origin change | AS48152 → AS47973 | 3333110347973 |
| 2026-10-15 18:21:51Z | origin change | AS47973 → AS48152 | 1403577646148152 |
| 2026-10-15 18:21:48Z | origin change | AS48152 → AS47973 | 3798956300132132465747973 |
| 2026-10-15 18:21:46Z | origin change | AS47973 → AS48152 | 37989563001321324657129948152 |
| 2026-10-15 18:21:45Z | origin change | AS48152 → AS47973 | 29504393923389147973 |
| 2026-10-15 18:10:55Z | origin change | AS47973 → AS48152 | 380013491325748152 |
| 2026-10-15 18:10:14Z | origin change | AS48152 → AS47973 | 5030047973 |
| 2026-10-15 18:07:16Z | origin change | AS47973 → AS48152 | 1328253356325748152 |
| 2026-10-15 18:07:07Z | origin change | AS48152 → AS47973 | 49673321647973 |
| 2026-10-15 18:07:03Z | origin change | AS48152 → AS47973 | 226521299325747973 |
| 2026-10-15 18:07:03Z | origin change | AS47973 → AS48152 | 22652129948152 |
| 2026-10-15 18:06:59Z | origin change | AS47973 → AS48152 | 55720325748152 |
| 2026-10-15 18:06:55Z | origin change | AS47973 → AS48152 | 7018646148152 |
| 2026-10-15 18:06:55Z | origin change | AS48152 → AS47973 | 349275665547973 |
| 2026-10-15 18:06:55Z | origin change | AS47973 → AS48152 | 34927129948152 |
| 2026-10-15 18:06:50Z | origin change | AS48152 → AS47973 | 496733150047973 |
| 2026-10-15 18:06:49Z | origin change | AS48152 → AS47973 | 55720693947973 |
| 2026-10-15 18:06:47Z | origin change | AS47973 → AS48152 | 34549325748152 |
| 2026-10-15 18:06:47Z | origin change | AS47973 → AS48152 | 349271299325748152 |
| 2026-10-15 18:06:47Z | origin change | AS48152 → AS47973 | 29504393923389147973 |
| 2026-10-15 18:06:47Z | origin change | AS47973 → AS48152 | 5805734549325748152 |
| 2026-10-15 18:06:47Z | origin change | AS48152 → AS47973 | 2448247973 |
| 2026-10-15 18:06:47Z | origin change | AS48152 → AS47973 | 3772147973 |
| 2026-10-15 18:06:47Z | origin change | AS47973 → AS48152 | 34549646148152 |
| 2026-10-15 18:06:47Z | origin change | AS47973 → AS48152 | 7018325748152 |
| 2026-10-15 18:06:47Z | origin change | AS47973 → AS48152 | 295043939233891646148152 |
| 2026-10-15 18:06:46Z | origin change | AS47973 → AS48152 | 2950439392325748152 |
| 2026-10-15 18:06:46Z | origin change | AS48152 → AS47973 | 494324836247973 |
| 2026-10-15 18:06:46Z | origin change | AS48152 → AS47973 | 61218693947973 |
| 2026-10-15 18:06:46Z | origin change | AS48152 → AS47973 | 20205693947973 |