12.148.180.0/22 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 |
|---|---|---|---|---|---|
| AS14379 The Northern Trust Company | no ROA | 41 | 3278714379 | 2026-09-18 | 2026-09-19 |
| AS19299 The Northern Trust Company | no ROA | 2 | 701819299 | 2026-09-18 | 2026-09-19 |
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
- 12.0.0.0/8
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1983-08-23
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 12.128.0.0/9 v4 | AS7018 AT&T Enterprises, LLC | no ROA | 41 | 345491747018 | 2026-09-18 |
| 12.0.0.0/8 v4 | AS7018 AT&T Enterprises, LLC | no ROA | 40 | 345491747018 | 2026-09-18 |
More specific routes
2 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 12.148.180.0/23 v4 | AS19299 The Northern Trust Company | no ROA | 43 | 2026-09-18 |
| 12.148.182.0/23 v4 | AS19299 The Northern Trust Company | no ROA | 43 | 2026-09-18 |