172.81.176.0/21 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 |
|---|---|---|---|---|---|
| AS174 Cogent Communications, LLC | RPKI valid | 35 | 34549174 | 2026-09-18 | 2026-10-22 |
| AS394745 Lunanode Hosting Inc. | RPKI valid | 6 | 22652394745 | 2026-09-18 | 2026-10-22 |
RPKI
2 ROAs cover this prefix
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 172.81.176.0/21
- RIR
- ARIN
- Country
- 🇨🇦 CA
- Status
- allocated
- Allocated
- 2015-05-14
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 |
|---|---|---|---|
| 2026-10-21 21:04:49Z | origin change | AS394745 → AS174 | 4967312389174 |
| 2026-10-21 16:11:18Z | origin change | AS174 → AS394745 | 612186939394745 |
| 2026-10-15 21:05:38Z | origin change | AS394745 → AS174 | 328840327727174 |
| 2026-10-15 21:04:23Z | origin change | AS174 → AS394745 | 22652394745 |
| 2026-10-15 18:23:31Z | origin change | AS394745 → AS174 | 37989563001321324657174 |
| 2026-10-15 17:57:29Z | origin change | AS174 → AS394745 | 557206939394745 |