222.205.0.0/16 CERNET2 IX at Shanghai Jiaotong University
Announced by AS24364 CERNET2 IX at Shanghai Jiaotong University. RPKI not found Seen by 3 of our 5 looking glass sessions. Also originated by AS4538
Summary
What the table says about 222.205.0.0/16
Prefix
Origin
AS24364 CNGI-SH-IX-AS-AP
RPKI
RPKI not found
Size
65,536 addresses
Less specific
More specifics
4
IRR route objects
0 exact, 2 covering
In RouteViews
2026-10-12 20:02 UTC
Paths
How 222.205.0.0/16 is reached
Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 36295 6939 4635 4538
| Origin | AS4538 China Education and Research Network Center |
| Origin code | IGP |
| Communities | 903:100 903:900 |
| Updated | 5d 3h ago |
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 |
|---|---|---|---|---|
| 222.204.0.0/15 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.
More specific
Prefixes inside 222.205.0.0/16
4 announced prefixes fall inside this one.