202.121.28.0/22 no ROA
Announced by AS4538 China Education and Research Network Center.
Origin
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
- 202.121.0.0/16
- RIR
- APNIC
- Country
- 🇨🇳 CN
- Status
- allocated
- Allocated
- 1995-09-21
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 202.121.0.0/16 v4 | AS24364 CERNET2 IX at Shanghai Jiaotong University | no ROA | 1 | 3822923855766023911453824364 | 2026-09-18 |
| 202.121.0.0/16 v4 | AS4538 China Education and Research Network Center | no ROA | 40 | 244824538 | 2026-09-18 |
| 202.120.0.0/15 v4 | AS4538 China Education and Research Network Center | no ROA | 47 | 244824538 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.