129.220.48.0/20 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 |
|---|---|---|---|---|---|
| AS25746 Unisys Corporation | no ROA | 42 | 37721335620225746 | 2026-09-18 | 2026-10-19 |
| AS6071 Unisys Corporation | no ROA | 1 | 14035777016071 | 2026-09-18 | 2026-10-19 |
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
- 129.220.0.0/18
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1996-04-29
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
6 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 129.220.49.0/24 v4 | AS25746 Unisys Corporation | no ROA | 43 | 2026-09-30 |
| 129.220.50.0/24 v4 | AS6071 Unisys Corporation | no ROA | 43 | 2026-09-18 |
| 129.220.53.0/24 v4 | AS6071 Unisys Corporation | no ROA | 44 | 2026-09-18 |
| 129.220.54.0/24 v4 | AS6072 Unisys Corporation | no ROA | 44 | 2026-09-18 |
| 129.220.58.0/24 v4 | AS6072 Unisys Corporation | no ROA | 44 | 2026-09-18 |
| 129.220.60.0/24 v4 | AS24126 Unisys AsiaPac Intranet Access to Internet | no ROA | 41 | 2026-09-18 |
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-15 21:06:19Z | origin change | AS25746 → AS6071 | 14035777016071607160716071 |
| 2026-10-15 21:05:47Z | origin change | AS6071 → AS25746 | 328840327727174335620225746 |
| 2026-10-13 12:35:13Z | origin change | AS6071 → AS25746 | 460812214637335620225746 |
| 2026-10-13 10:45:11Z | origin change | AS25746 → AS6071 | 14035777016071607160716071 |
| 2026-10-13 10:44:33Z | origin change | AS6071 → AS25746 | 1403577335620225746 |
| 2026-10-13 10:44:18Z | origin change | AS25746 → AS6071 | 14035777016071607160716071 |
| 2026-10-08 22:51:19Z | origin change | AS6071 → AS25746 | 48185335620225746 |
| 2026-10-08 22:36:26Z | origin change | AS25746 → AS6071 | 14035777016071607160716071 |