163.131.0.0/19 Hachinohe Cable Television Co.
Announced by AS59107 Hachinohe Cable Television Co. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 163.131.0.0/19
Prefix
Origin
AS59107 HTV-NET
RPKI
RPKI valid
Size
8,192 addresses
Less specific
none
More specifics
16
IRR route objects
2 exact, 2 covering
In RouteViews
2026-10-13 20:02 UTC
Paths
How 163.131.0.0/19 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 59107
| Origin | AS59107 Hachinohe Cable Television Co. |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 5d 18h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 2516 59107
| Origin | AS59107 Hachinohe Cable Television Co. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 3h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 59107
| Origin | AS59107 Hachinohe Cable Television Co. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 6d 3h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS59107 to originate 163.131.0.0/19 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 163.131.0.0/19 | /24 | AS59107 HTV-NET | 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 |
|---|---|---|---|---|
| 163.131.0.0/19 | AS59107 HTV-NET | JPIRR | Hachinohe Cable Television Co. | MAINT-AS2497 |
| 163.131.0.0/19 | AS59107 HTV-NET | RADB | Hachinohe Cable Television Co. | MAINT-AS2497 |
| 163.131.0.0/16 covering | AS2497 IIJ | JPIRR | IIJ IPv4 BLOCK ( AS2497 ) | MAINT-AS2497 |
| 163.131.0.0/16 covering | AS2497 IIJ | RADB | IIJ IPv4 BLOCK ( AS2497 ) | MAINT-AS2497 |
More specific
Prefixes inside 163.131.0.0/19
16 announced prefixes fall inside this one.
Show the 16 prefixes
163.131.16.0/24 AS59107 HTV-NET163.131.17.0/24 AS59107 HTV-NET163.131.18.0/24 AS59107 HTV-NET163.131.19.0/24 AS59107 HTV-NET163.131.20.0/24 AS59107 HTV-NET163.131.21.0/24 AS59107 HTV-NET163.131.22.0/24 AS59107 HTV-NET163.131.23.0/24 AS59107 HTV-NET163.131.24.0/24 AS59107 HTV-NET163.131.25.0/24 AS59107 HTV-NET163.131.26.0/24 AS59107 HTV-NET163.131.27.0/24 AS59107 HTV-NET163.131.28.0/24 AS59107 HTV-NET163.131.29.0/24 AS59107 HTV-NET163.131.30.0/24 AS59107 HTV-NET163.131.31.0/24 AS59107 HTV-NET