121.91.104.0/21 ChinaDataCom Corporation Limited
Announced by AS146842 ChinaDataCom Corporation Limited. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 121.91.104.0/21
Prefix
Origin
AS146842 CDC-SAP-DC-SHA
RPKI
RPKI valid
Size
2,048 addresses
Less specific
none
More specifics
5
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-14 08:02 UTC
Paths
How 121.91.104.0/21 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 9929 17621 146842
| Origin | AS146842 ChinaDataCom Corporation Limited |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 6d 9h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 10099 9929 17621 146842
| Origin | AS146842 ChinaDataCom Corporation Limited |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 17h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 701 9929 17621 146842
| Origin | AS146842 ChinaDataCom Corporation Limited |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 6d 17h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS146842 to originate 121.91.104.0/21 up to /21. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 121.91.104.0/21 | /21 | AS146842 CDC-SAP-DC-SHA | 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 |
|---|---|---|---|---|
| 121.91.104.0/21 | AS146842 CDC-SAP-DC-SHA | APNIC | China Datacom Corporation Limited Block D, Creative Industry Park, No. 310 Yuangang Road | MAINT-CDCL-CN |
| 121.91.104.0/21 | AS146842 CDC-SAP-DC-SHA | RADB | CMI (Customer Route) | MAINT-AS58453 |
More specific
Prefixes inside 121.91.104.0/21
5 announced prefixes fall inside this one.