210.236.112.0/20 Utsunomiya Cable TV Corporation
Announced by AS18274 Utsunomiya Cable TV Corporation. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 210.236.112.0/20
Prefix
Origin
AS18274 UCATV
RPKI
RPKI valid
Size
4,096 addresses
Less specific
none
More specifics
0
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-13 16:03 UTC
Paths
How 210.236.112.0/20 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 2516 18274
| Origin | AS18274 Utsunomiya Cable TV Corporation |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 5d 13h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 3257 2516 18274
| Origin | AS18274 Utsunomiya Cable TV Corporation |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 21h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 18274
| Origin | AS18274 Utsunomiya Cable TV Corporation |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 21h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS18274 to originate 210.236.112.0/20 up to /21. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 210.236.112.0/20 | /21 | AS18274 UCATV | 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 |
|---|---|---|---|---|
| 210.236.112.0/20 | AS18274 UCATV | JPIRR | Utsunomiya Cable TV maintainer | MAINT-UCATV |
| 210.236.112.0/20 | AS18274 UCATV | NTTCOM | Utsunomiya Cable TV maintaine | MAINT-AS18274 |