210.121.0.0/21 CCS
Announced by AS45374 CCS. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 210.121.0.0/21
Prefix
Origin
AS45374 CCS-AS-KR-KR
RPKI
RPKI not found
Size
2,048 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 3 covering
In RouteViews
2026-10-13 17:13 UTC
Paths
How 210.121.0.0/21 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 4766 9848 45374×2
| Origin | AS45374 CCS |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 5d 15h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 58453 9848×4 45374×2
| Origin | AS45374 CCS |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 0h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4766 9848 45374×2
| Origin | AS45374 CCS |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 6d 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 |
|---|---|---|---|---|
| 210.121.0.0/21 | AS45374 CCS-AS-KR-KR | RADB | CCS broad. | MAINT-AS9318 |
| 210.121.0.0/20 covering | AS45374 CCS-AS-KR-KR | RADB | CCS-AS-KR | MAINT-AS9318 |
| 210.121.0.0/17 covering | AS9848 SejongTelecom-AS-KR-KR | RADB | Hansol Telecom | MAINT-AS4766 |
| 210.121.0.0/17 covering | AS9848 SejongTelecom-AS-KR-KR | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.