202.252.104.0/22 no ROA
Announced by AS131961 Dokkyo University.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS131961 Dokkyo University | no ROA | 42 | 176392907131961 | 2026-09-18 | 2026-10-07 |
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
- 202.240.0.0/12
- RIR
- APNIC
- Country
- 🇯🇵 JP
- Status
- allocated
- Allocated
- 1995-03-29
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
2 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 202.252.104.0/23 v4 | AS131961 Dokkyo University | no ROA | 41 | 2026-09-18 |
| 202.252.106.0/23 v4 | AS131961 Dokkyo University | no ROA | 41 | 2026-09-18 |