143.199.140.0/23 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 |
|---|---|---|---|---|---|
| AS203 Level 3 Parent, LLC | no ROA | 41 | 377213356203 | 2026-09-18 | 2026-10-22 |
| AS21680 Empower Retirement, LLC | no ROA | 3 | 244821583021680 | 2026-09-18 | 2026-10-22 |
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
- 143.199.0.0/16
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1990-10-08
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 143.199.0.0/16 v4 | AS21680 Empower Retirement, LLC | no ROA | 44 | 34549646121680 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-22 03:19:48Z | origin change | AS21680 → AS203 | 176393356203 |
| 2026-10-22 02:16:36Z | origin change | AS203 → AS21680 | 578211258632571583021680 |
| 2026-10-20 21:51:11Z | origin change | AS21680 → AS203 | 5991990023356203 |
| 2026-10-20 21:49:49Z | origin change | AS203 → AS21680 | 599191277932571583021680 |
| 2026-10-20 21:49:00Z | origin change | AS21680 → AS203 | 5991990023356203 |
| 2026-10-20 21:48:42Z | origin change | AS203 → AS21680 | 599191277932571583021680 |
| 2026-10-09 04:04:26Z | origin change | AS21680 → AS203 | 5572029143356203 |
| 2026-10-09 03:30:36Z | origin change | AS203 → AS21680 | 5572032571583021680 |