216.4.176.0/22 no ROA
Announced by AS17035 NBCUniversal.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS17035 NBCUniversal | no ROA | 43 | 701870117035 | 2026-09-18 | 2026-10-12 |
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
- 216.4.0.0/15
- RIR
- ARIN
- Country
- 🇺🇸 US
- Status
- allocated
- Allocated
- 2001-01-02
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 216.4.0.0/15 v4 | AS2828 Verizon (fka XO Communications) | no ROA | 43 | 70187012828 | 2026-09-18 |
More specific routes
2 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 216.4.176.0/23 v4 | AS17035 NBCUniversal | no ROA | 43 | 2026-09-18 |
| 216.4.178.0/23 v4 | AS17035 NBCUniversal | no ROA | 43 | 2026-09-18 |