143.111.0.0/16 no ROA
Announced by AS11773 The University Of Texas M.D. Anderson Cancer Center.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS11773 The University Of Texas M.D. Anderson Cancer Center | no ROA | 44 | 701811773 | 2026-09-18 | 2026-10-09 |
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
- 143.111.0.0/16
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 1990-03-26
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
3 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 143.111.5.0/24 v4 | AS11773 The University Of Texas M.D. Anderson Cancer Center | no ROA | 43 | 2026-09-18 |
| 143.111.85.0/24 v4 | AS11773 The University Of Texas M.D. Anderson Cancer Center | no ROA | 3 | 2026-09-18 |
| 143.111.86.0/24 v4 | AS11773 The University Of Texas M.D. Anderson Cancer Center | no ROA | 42 | 2026-09-18 |