210.143.122.0/23 Cable Networks Akita Co.,ltd.
Announced by AS23783 Cable Networks Akita Co.,ltd. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 210.143.122.0/23
Prefix
Origin
AS23783 CNA
RPKI
RPKI valid
Size
512 addresses
Less specific
More specifics
0
IRR route objects
4 exact, 4 covering
In RouteViews
2026-10-15 20:02 UTC
Paths
How 210.143.122.0/23 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 2497 23783
| Origin | AS23783 Cable Networks Akita Co.,ltd. |
| Origin code | incomplete |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 7d 19h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 2516 23783
| Origin | AS23783 Cable Networks Akita Co.,ltd. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8d 3h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 23783
| Origin | AS23783 Cable Networks Akita Co.,ltd. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 8d 3h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS23783 to originate 210.143.122.0/23 up to /23. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 210.143.122.0/23 | /23 | AS23783 CNA | APNIC |
| 210.143.112.0/20 | /24 | AS18266 ATNAP | 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 |
|---|---|---|---|---|
| 210.143.122.0/23 | AS18266 ATNAP | JPIRR | ATNAP-CIDR-BLOCK-3-12 | MAINT-AS18266 |
| 210.143.122.0/23 | AS23783 CNA | JPIRR | Cable Networks Akita Co.,ltd. | MAINT-AS23783 |
| 210.143.122.0/23 | AS23783 CNA | NTTCOM | Cable Networks Akita Co.,ltd. | MAINT-AS23783 |
| 210.143.122.0/23 | AS23783 CNA | RADB | Cable Networks Akita Co.,ltd. | MAINT-AS2516 |
| 210.143.120.0/22 covering | AS18266 ATNAP | JPIRR | ATNAP-CIDR-BLOCK-3-5 | MAINT-AS18266 |
| 210.143.120.0/21 covering | AS18266 ATNAP | JPIRR | ATNAP-CIDR-BLOCK-3-2 | MAINT-AS18266 |
| 210.143.112.0/20 covering | AS18266 ATNAP | JPIRR | ATNAP-CIDR-BLOCK-3 | MAINT-AS18266 |
| 210.143.112.0/20 covering | AS18266 ATNAP | RADB | ATNAP | MAINT-AS2516 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.