240c:c0a8::/34 China Education and Research Network Center
Announced by AS4538 China Education and Research Network Center. RPKI valid Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 240c:c0a8::/34
Prefix
Origin
AS4538 ERX-CERNET-BKB
RPKI
RPKI valid
Size
1,073,741,824 /64s
Less specific
More specifics
1
IRR route objects
0 exact, 1 covering
In RouteViews
2026-10-12 20:06 UTC
RPKI
Route origin authorizations
Covered by a ROA authorizing AS4538 to originate 240c:c0a8::/34 up to /34. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 240c:c0a8::/34 | /34 | AS4538 ERX-CERNET-BKB | APNIC |
| 240c:c0a8::/34 | /34 | AS24348 CNGI-BJ-IX2-AS-AP | APNIC |
| 240c:c0a8::/33 | /33 | AS4538 ERX-CERNET-BKB | APNIC |
| 240c:c0a8::/33 | /33 | AS24348 CNGI-BJ-IX2-AS-AP | APNIC |
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 |
|---|---|---|---|---|
| 240c:c000::/20 covering | AS23910 CNGI-CERNET2-AS-AP | APNIC | CERNET | MAINT-CERNET-AP |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 240c:c0a8::/34
1 announced prefix fall inside this one.