2a01:ad00:128::/48 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 |
|---|---|---|---|---|---|
| AS51865 DIDWW Ireland Limited | RPKI valid | 32 | 3454951865 | 2026-09-18 | 2026-11-08 |
| AS199170 DIDWW Ireland Limited | RPKI valid | 2 | 149073356199170 | 2026-09-18 | 2026-11-08 |
| AS207319 DIDWW Ireland Limited | RPKI valid | 1 | 58057174207319 | 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:ad00:128::/48 | /48 | AS51865 | ripe | authorises it |
| 2a01:ad00:128::/48 | /48 | AS198046 | ripe | wrong origin |
| 2a01:ad00:128::/48 | /48 | AS199170 | ripe | wrong origin |
| 2a01:ad00:128::/48 | /48 | AS201783 | ripe | wrong origin |
| 2a01:ad00:128::/48 | /48 | AS207319 | ripe | wrong origin |
| 2a01:ad00:128::/48 | /48 | AS212893 | ripe | wrong origin |
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 2a01:ad00::/32
- RIR
- RIPENCC
- Country
- 🇮🇪 IE
- Status
- allocated
- Allocated
- 2011-03-11
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 2a01:ad00::/32 v6 | AS51865 DIDWW Ireland Limited | no ROA | 35 | 3454951865 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-11-06 00:34:35Z | origin change | AS207319 → AS51865 | 204092693951865 |
| 2026-11-06 00:34:28Z | origin change | AS51865 → AS207319 | 204092198978174207319 |
| 2026-11-06 00:23:48Z | origin change | AS207319 → AS51865 | 204092693951865 |
| 2026-11-06 00:23:44Z | origin change | AS199170 → AS207319 | 204092198978174207319 |
| 2026-11-05 22:24:48Z | origin change | AS51865 → AS199170 | 70183356199170 |
| 2026-11-05 21:45:33Z | origin change | AS207319 → AS51865 | 204092693951865 |
| 2026-11-05 21:08:38Z | origin change | AS51865 → AS207319 | 7018174207319 |
| 2026-10-31 06:21:34Z | origin change | AS207319 → AS51865 | 38855693951865 |
| 2026-10-31 01:23:43Z | origin change | AS51865 → AS207319 | 380012914207319 |
| 2026-10-26 19:14:10Z | origin change | AS207319 → AS51865 | 37989693951865 |
| 2026-10-26 18:47:26Z | origin change | AS51865 → AS207319 | 58057174207319 |