150.55.128.0/17 no ROA
Announced by AS18124 Okayama University of Science.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS18124 Okayama University of Science | no ROA | 43 | 38001290718124 | 2026-09-18 | 2026-09-29 |
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
- 150.55.0.0/16
- RIR
- APNIC
- Country
- 🇯🇵 JP
- Status
- allocated
- Allocated
- 1993-09-01
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 150.55.0.0/16 v4 | AS18124 Okayama University of Science | no ROA | 43 | 38001290718124 | 2026-09-18 |
More specific routes
5 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 150.55.128.0/18 v4 | AS18124 Okayama University of Science | no ROA | 43 | 2026-09-18 |
| 150.55.128.0/21 v4 | AS18124 Okayama University of Science | no ROA | 43 | 2026-09-18 |
| 150.55.128.0/22 v4 | AS18124 Okayama University of Science | no ROA | 42 | 2026-09-18 |
| 150.55.132.0/22 v4 | AS18124 Okayama University of Science | no ROA | 42 | 2026-09-18 |
| 150.55.192.0/18 v4 | AS18124 Okayama University of Science | no ROA | 42 | 2026-09-18 |