175.159.216.0/21 no ROA
Announced by AS17764 Hong Kong Metropolitan University.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS17764 Hong Kong Metropolitan University | no ROA | 42 | 17639930417764 | 2026-09-18 | 2026-09-25 |
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
- 175.159.0.0/16
- RIR
- APNIC
- Country
- ðŸ‡ðŸ‡° HK
- Status
- allocated
- Allocated
- 2010-01-19
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 |
|---|---|---|---|---|
| 175.159.216.0/22 v4 | AS17764 Hong Kong Metropolitan University | no ROA | 40 | 2026-09-18 |
| 175.159.220.0/22 v4 | AS17764 Hong Kong Metropolitan University | no ROA | 40 | 2026-09-18 |