51.64.34.0/24 no ROA 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 |
|---|---|---|---|---|---|
| AS2856 British Telecommunications | no ROA | 36 | 503042856 | 2026-09-18 | 2026-10-10 |
| AS15404 COLT Technology Services Group Limited | no ROA | 7 | 38001822015404 | 2026-09-18 | 2026-10-10 |
RPKI
No ROA covers this prefix
No ROA covers this prefix, so origin validation returns "unknown". That is not a fault; most of the table is still unsigned.
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 51.64.0.0/16
- RIR
- RIPENCC
- Country
- 🇬🇧 GB
- Status
- assigned
- 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 |
|---|---|---|---|
| 2026-10-09 00:16:38Z | origin change | AS15404 → AS2856 | 32884032772717454002856 |
| 2026-10-08 22:36:04Z | origin change | AS2856 → AS15404 | 140357782201540415404154041540415404 |
| 2026-10-08 22:35:22Z | origin change | AS15404 → AS2856 | 46081221463754002856 |
| 2026-10-08 22:35:06Z | origin change | AS2856 → AS15404 | 1490782201540415404154041540415404 |
| 2026-10-07 16:44:28Z | origin change | AS15404 → AS2856 | 3772164612856 |
| 2026-10-07 14:40:38Z | origin change | AS2856 → AS15404 | 1490782201540415404154041540415404 |
| 2026-10-01 18:45:23Z | origin change | AS15404 → AS2856 | 32884032772717454002856 |
| 2026-10-01 08:34:25Z | origin change | AS2856 → AS15404 | 85282201540415404154041540415404 |
| 2026-10-01 07:59:52Z | origin change | AS15404 → AS2856 | 55720693954002856 |
| 2026-10-01 06:48:44Z | origin change | AS2856 → AS15404 | 85282201540415404154041540415404 |
| 2026-10-01 03:33:17Z | origin change | AS15404 → AS2856 | 32884032772717454002856 |
| 2026-09-30 21:47:47Z | origin change | AS2856 → AS15404 | 85282201540415404154041540415404 |
| 2026-09-30 13:49:15Z | origin change | AS15404 → AS2856 | 557202914335654002856 |
| 2026-09-30 12:55:15Z | origin change | AS2856 → AS15404 | 85282201540415404154041540415404 |
| 2026-09-30 12:12:13Z | origin change | AS15404 → AS2856 | 295041593590022856 |
| 2026-09-30 12:11:47Z | origin change | AS2856 → AS15404 | 85282201540415404154041540415404 |
| 2026-09-30 11:45:23Z | origin change | AS15404 → AS2856 | 3772164612856 |
| 2026-09-30 05:42:44Z | origin change | AS2856 → AS15404 | 85282201540415404154041540415404 |
| 2026-09-30 03:49:11Z | origin change | AS15404 → AS2856 | 32884032772717454002856 |
| 2026-09-29 18:03:24Z | origin change | AS2856 → AS15404 | 85282201540415404154041540415404 |
| 2026-09-29 17:08:38Z | origin change | AS15404 → AS2856 | 55720693954002856 |
| 2026-09-29 16:22:32Z | origin change | AS2856 → AS15404 | 85282201540415404154041540415404 |
| 2026-09-29 13:05:58Z | origin change | AS15404 → AS2856 | 29504393923389154002856 |
| 2026-09-29 03:49:18Z | origin change | AS2856 → AS15404 | 85282201540415404154041540415404 |
| 2026-09-28 21:22:09Z | origin change | AS15404 → AS2856 | 55720693954002856 |
| 2026-09-28 13:47:17Z | origin change | AS2856 → AS15404 | 85282201540415404154041540415404 |
| 2026-09-28 08:12:27Z | origin change | AS15404 → AS2856 | 13282517454002856 |
| 2026-09-28 00:44:12Z | origin change | AS2856 → AS15404 | 85282201540415404154041540415404 |
| 2026-09-27 23:53:58Z | origin change | AS15404 → AS2856 | 494322155104836290022856 |
| 2026-09-27 22:30:25Z | origin change | AS2856 → AS15404 | 85282201540415404154041540415404 |
| 2026-09-27 21:57:16Z | origin change | AS15404 → AS2856 | 4943221551048362129954002856 |
| 2026-09-27 21:46:10Z | origin change | AS2856 → AS15404 | 85282201540415404154041540415404 |
| 2026-09-27 21:23:43Z | origin change | AS15404 → AS2856 | 4943248362129954002856 |
| 2026-09-27 21:19:31Z | origin change | AS2856 → AS15404 | 85282201540415404154041540415404 |
| 2026-09-27 21:09:03Z | origin change | AS15404 → AS2856 | 494322155104836290022856 |
| 2026-09-27 05:41:25Z | origin change | AS2856 → AS15404 | 85282201540415404154041540415404 |
| 2026-09-27 03:52:19Z | origin change | AS15404 → AS2856 | 176392856 |
| 2026-09-27 02:55:56Z | origin change | AS2856 → AS15404 | 85282201540415404154041540415404 |
| 2026-09-27 02:25:49Z | origin change | AS15404 → AS2856 | 32884032772717454002856 |
| 2026-09-26 20:24:29Z | origin change | AS2856 → AS15404 | 85282201540415404154041540415404 |
| 2026-09-26 18:24:55Z | origin change | AS15404 → AS2856 | 32884032772717454002856 |
| 2026-09-26 09:07:26Z | origin change | AS2856 → AS15404 | 85282201540415404154041540415404 |