222.196.141.0/24 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 222.196.141.0/24
Prefix
Origin
AS4538 ERX-CERNET-BKB
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
0 exact, 4 covering
In RouteViews
2026-10-13 08:02 UTC
RPKI
Route origin authorizations
Covered by a ROA authorizing AS4538 to originate 222.196.141.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 222.196.141.0/24 | /24 | AS4538 ERX-CERNET-BKB | APNIC |
| 222.196.141.0/24 | /24 | AS24355 CNGI-CD-IX-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 |
|---|---|---|---|---|
| 222.196.128.0/20 covering | AS4538 ERX-CERNET-BKB | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 222.196.128.0/20 covering | AS4538 ERX-CERNET-BKB | RADB | CMI (Customer Route) | MAINT-AS58453 |
| 222.196.0.0/15 covering | AS4538 ERX-CERNET-BKB | APNIC | CERNET | MAINT-CERNET-AP |
| 222.192.0.0/12 covering | AS4538 ERX-CERNET-BKB | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.