203.181.192.0/18 no ROA
Announced by AS2907 Science Information Network.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS2907 Science Information Network | no ROA | 43 | 380012907 | 2026-09-18 | 2026-10-01 |
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
- 203.180.0.0/14
- RIR
- APNIC
- Country
- 🇯🇵 JP
- Status
- allocated
- Allocated
- 1996-04-11
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 |
|---|---|---|---|---|
| 203.181.194.0/23 v4 | AS7660 Asia Pacific Advanced Network - Japan | RPKI valid | 42 | 2026-09-18 |
| 203.181.248.0/23 v4 | AS7660 Asia Pacific Advanced Network - Japan | RPKI valid | 42 | 2026-09-18 |