42.245.221.0/24 CERNET New Technology Co., Ltd
Announced by AS133111 CERNET New Technology Co., Ltd. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 42.245.221.0/24
Prefix
Origin
AS133111 CNT-northChina
RPKI
RPKI not found
Size
256 addresses
Less specific
More specifics
0
IRR route objects
0 exact, 3 covering
In RouteViews
2026-10-15 16:02 UTC
Paths
How 42.245.221.0/24 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.
AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 174 4538×3 133111
| Origin | AS133111 CERNET New Technology Co., Ltd |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 2d 20h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 174 4538×3 133111
| Origin | AS133111 CERNET New Technology Co., Ltd |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 7d 22h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 174 4538×3 133111
| Origin | AS133111 CERNET New Technology Co., Ltd |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 1d 0h 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 |
|---|---|---|---|---|
| 42.245.192.0/18 covering | AS133111 CNT-northChina | APNIC | CERNET Newtech | MAINT-CERNET-AP |
| 42.244.0.0/14 covering | AS4538 ERX-CERNET-BKB | APNIC | CERNET | MAINT-CERNET-AP |
| 42.244.0.0/14 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.