128.189.0.0/16 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 |
|---|---|---|---|---|---|
| AS271 BCNET | no ROA | 41 | 22652271 | 2026-09-18 | 2026-10-08 |
| AS393249 University of British Columbia | no ROA | 2 | 460875756509271393249 | 2026-09-18 | 2026-10-08 |
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
- 128.189.0.0/16
- RIR
- ARIN
- Country
- 🇨🇦 CA
- Status
- allocated
- Allocated
- 1987-01-08
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
9 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 128.189.4.0/23 v4 | AS271 BCNET | RPKI valid | 43 | 2026-09-18 |
| 128.189.5.0/24 v4 | AS271 BCNET | RPKI valid | 43 | 2026-09-18 |
| 128.189.6.0/24 v4 | AS271 BCNET | RPKI valid | 43 | 2026-09-18 |
| 128.189.16.0/20 v4 | AS393249 University of British Columbia | RPKI valid | 43 | 2026-09-18 |
| 128.189.32.0/19 v4 | AS393249 University of British Columbia | RPKI valid | 43 | 2026-09-18 |
| 128.189.64.0/19 v4 | AS393249 University of British Columbia | RPKI valid | 43 | 2026-09-18 |
| 128.189.96.0/19 v4 | AS393249 University of British Columbia | RPKI valid | 43 | 2026-09-18 |
| 128.189.128.0/18 v4 | AS393249 University of British Columbia | RPKI valid | 43 | 2026-09-18 |
| 128.189.192.0/18 v4 | AS393249 University of British Columbia | RPKI valid | 43 | 2026-09-18 |
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-02 13:38:07Z | origin change | AS393249 → AS271 | 3288403277271746327271271 |
| 2026-10-02 11:36:29Z | origin change | AS271 → AS393249 | 460875756509271393249 |
| 2026-09-29 13:06:25Z | origin change | AS393249 → AS271 | 29504393921299271271 |
| 2026-09-29 12:38:04Z | origin change | AS271 → AS393249 | 460875756509271393249 |
| 2026-09-27 20:30:34Z | origin change | AS393249 → AS271 | 14036327271271 |
| 2026-09-27 16:58:41Z | origin change | AS271 → AS393249 | 3822924490115376509271393249 |
| 2026-09-25 17:14:26Z | origin change | AS393249 → AS271 | 8526327271271 |
| 2026-09-25 17:00:13Z | origin change | AS271 → AS393249 | 3822924490115376509271393249 |