204.2.0.0/20 CNSNext
Announced by AS16700 CNSNext. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 204.2.0.0/20
Prefix
Origin
AS16700 CNSNEXT
RPKI
RPKI valid
Size
4,096 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-12 04:03 UTC
Paths
How 204.2.0.0/20 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 16700×2
| Origin | AS16700 CNSNext |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 4d 3h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 16700×3
| Origin | AS16700 CNSNext |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 4d 11h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 16700×3
| Origin | AS16700 CNSNext |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 4d 11h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS16700 to originate 204.2.0.0/20 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 204.2.0.0/20 | /24 | AS16700 CNSNEXT | ARIN |
| 204.0.0.0/14 | /14 | AS2914 NTT-DATA-2914 | ARIN |
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 |
|---|---|---|---|---|
| 204.2.0.0/20 | AS16700 CNSNEXT | RADB | NTT | MAINT-AS16700 |
| 204.0.0.0/14 covering | AS2914 NTT-DATA-2914 | NTTCOM | NTT-1 | MAINT-NTTCOM-BB |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.