121.204.128.0/19 Fuzhou
Announced by AS133774 Fuzhou. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 121.204.128.0/19
Prefix
Origin
AS133774 CHINATELECOM-FUJIAN-FUZHOU-IDC1
RPKI
RPKI valid
Size
8,192 addresses
More specifics
0
IRR route objects
1 exact, 2 covering
In RouteViews
2026-10-15 16:02 UTC
Paths
How 121.204.128.0/19 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 4134 133774×3
| Origin | AS133774 Fuzhou |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 7d 17h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 4134 133774×3
| Origin | AS133774 Fuzhou |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8d 1h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 4134 133774×3
| Origin | AS133774 Fuzhou |
| Origin code | IGP |
| Communities | 6461:5997 36295:100 36295:6461 |
| Updated | 5h 53m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS133774 to originate 121.204.128.0/19 up to /19. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 121.204.128.0/19 | /19 | AS133774 CHINATELECOM-FUJIAN-FUZHOU-IDC1 | APNIC |
| 121.204.128.0/18 | /18 | AS133774 CHINATELECOM-FUJIAN-FUZHOU-IDC1 | APNIC |
| 121.204.0.0/14 | /14 | AS4134 CHINANET-BACKBONE | 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 |
|---|---|---|---|---|
| 121.204.128.0/19 | AS133774 CHINATELECOM-FUJIAN-FUZHOU-IDC1 | RADB | IDC FUJIAN QUANZHOU | MAINT-AS133774 |
| 121.204.128.0/18 covering | AS133774 CHINATELECOM-FUJIAN-FUZHOU-IDC1 | RADB | IDC FUJIAN PROVINCE NETWORK | MAINT-AS133774 |
| 121.204.0.0/14 covering | AS4134 CHINANET-BACKBONE | RADB | China Telecom Network | MAINT-CT-GNOC |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.