154.39.66.0/23 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 |
|---|---|---|---|---|---|
| AS140227 Hong Kong Communications International Co., Limited | RPKI valid | 40 | 58057174140227 | 2026-09-18 | 2026-10-24 |
| AS8796 FASTNET DATA INC | RPKI valid | 1 | 4439335710100998796 | 2026-09-24 | 2026-10-24 |
RPKI
5 ROAs cover this prefix
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 154.39.0.0/16
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1992-02-05
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 154.36.0.0/14 v4 | AS174 Cogent Communications, LLC | no ROA | 41 | 34549174 | 2026-09-18 |
More specific routes
2 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 154.39.66.0/24 v4 | AS140227 Hong Kong Communications International Co., Limited | RPKI valid | 27 | 2026-09-18 |
| 154.39.67.0/24 v4 | AS140227 Hong Kong Communications International Co., Limited | RPKI valid | 27 | 2026-09-18 |