163.138.192.0/19 Kanagawa Institute of Technology
Announced by AS59091 Kanagawa Institute of Technology. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 163.138.192.0/19
Prefix
Origin
AS59091 KAIT-NWLAB
RPKI
RPKI valid
Size
8,192 addresses
Less specific
none
More specifics
0
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-16 00:02 UTC
Paths
How 163.138.192.0/19 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 2907×3 59091
| Origin | AS59091 Kanagawa Institute of Technology |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 7d 5h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 2497 2907×3 59091
| Origin | AS59091 Kanagawa Institute of Technology |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 3d 14h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 2907 59091
| Origin | AS59091 Kanagawa Institute of Technology |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 8d 6h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS59091 to originate 163.138.192.0/19 up to /19. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 163.138.192.0/19 | /19 | AS59091 KAIT-NWLAB | 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 |
|---|---|---|---|---|
| 163.138.192.0/19 | AS59091 KAIT-NWLAB | APNIC | Nippon Telegraph and Telephone Corporation 3-9-11 Midori-cho Musashino-shi | MAINT-JP-NTTECL-JP |
| 163.138.192.0/19 | AS59091 KAIT-NWLAB | RADB | KAIT-NWLAB | MAINT-AS59091 |