203.83.56.0/21 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)
Announced by AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS). RPKI not found Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 203.83.56.0/21
Prefix
Origin
AS7497 CSTNET-AS-AP
RPKI
RPKI not found
Size
2,048 addresses
Less specific
none
More specifics
0
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-14 08:02 UTC
RPKI
Route origin authorizations
No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.
IRR
Route objects
Registered in the IRR for this prefix and the ones covering it. Look it up live.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 203.83.56.0/21 | AS24420 CNNIC-CAFNET-AP | APNIC | Route originated from CSTNET's customers | MAINT-CN-CSTNET |
| 203.83.56.0/21 | AS24420 CNNIC-CAFNET-AP | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 |