121.55.72.0/21 GREEN CABLE TELEVISION STATION
Announced by AS9781 GREEN CABLE TELEVISION STATION. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 121.55.72.0/21
Prefix
Origin
AS9781 GCS-AS-KR-KR
RPKI
RPKI not found
Size
2,048 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 6 covering
In RouteViews
2026-10-12 20:02 UTC
Paths
How 121.55.72.0/21 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 23764 9848 9781
| Origin | AS9781 GREEN CABLE TELEVISION STATION |
| Origin code | incomplete |
| Communities | 174:21101 174:22005 36601:150 36601:174 36601:2001 |
| Updated | 4d 19h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 23764 9848 9781
| Origin | AS9781 GREEN CABLE TELEVISION STATION |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 4h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 9848 9781
| Origin | AS9781 GREEN CABLE TELEVISION STATION |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 4h 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 |
|---|---|---|---|---|
| 121.55.72.0/21 | AS9781 GCS-AS-KR-KR | LEVEL3 | Proxy-registered route object | LEVEL3-MNT |
| 121.55.72.0/21 | AS9781 GCS-AS-KR-KR | RADB | SejongTelecom.co.ltd | MAINT-AS4670 |
| 121.55.64.0/20 covering | AS9781 GCS-AS-KR-KR | LEVEL3 | Proxy-registered route object | LEVEL3-MNT |
| 121.55.64.0/20 covering | AS9781 GCS-AS-KR-KR | RADB | SejongTel | MAINT-AS4766 |
| 121.55.64.0/18 covering | AS9318 SKB-AS-KR | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 121.55.64.0/18 covering | AS9781 GCS-AS-KR-KR | NTTCOM | SKNETWORKS | MAINT-SKNETWORKS |
| 121.55.64.0/18 covering | AS9318 SKB-AS-KR | RADB | SK Broadband | MAINT-AS9318 |
| 121.55.64.0/18 covering | AS9781 GCS-AS-KR-KR | RADB | Sejong Telecom | MAINT-AS4766 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.