121.1.72.0/21 Seokyung Cable Television Co.. Ltd.
Announced by AS9694 Seokyung Cable Television Co.. Ltd. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 121.1.72.0/21
Prefix
Origin
AS9694 SEOKYUNG-CATV-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
2026-10-12 16:02 UTC
Paths
How 121.1.72.0/21 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 4766 9694
| Origin | AS9694 Seokyung Cable Television Co.. Ltd. |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 4d 13h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 4766 9694
| Origin | AS9694 Seokyung Cable Television Co.. Ltd. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 4d 22h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4766 9694
| Origin | AS9694 Seokyung Cable Television Co.. Ltd. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 4d 22h 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 |
|---|---|---|---|---|
| 121.1.72.0/21 | AS9694 SEOKYUNG-CATV-AS-KR-KR | LEVEL3 | Proxy-registered route object | LEVEL3-MNT |
| 121.1.64.0/18 covering | AS9318 SKB-AS-KR | NTTCOM | Proxy-registered route object | MAINT-AS9304 |
| 121.1.64.0/18 covering | AS9318 SKB-AS-KR | RADB | SK Broadband | MAINT-AS9318 |
| 121.1.64.0/18 covering | AS9694 SEOKYUNG-CATV-AS-KR-KR | RADB | Proxy-Registered Route Object by LG Dacom(AS3786) | MAINT-AS3786 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.