199.97.121.0/24 Westchester Library System
Announced by AS25987 Westchester Library System. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 199.97.121.0/24
Prefix
Origin
AS25987 WESTCHESTER-LIBRARY
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-12 20:02 UTC
Paths
How 199.97.121.0/24 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 6128×2 54004 25987
| Origin | AS25987 Westchester Library System |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 4d 18h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6461 6128 54004 25987
| Origin | AS25987 Westchester Library System |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 3h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6128 54004 25987
| Origin | AS25987 Westchester Library System |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 3h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS25987 to originate 199.97.121.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 199.97.121.0/24 | /24 | AS25987 WESTCHESTER-LIBRARY | ARIN |
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 |
|---|---|---|---|---|
| 199.97.121.0/24 | AS25987 WESTCHESTER-LIBRARY | ALTDB | Proxy registration to prevent harm from ARIN-NONAUTH shutdown | MAINT-AS7034 |
| 199.97.121.0/24 | AS25987 WESTCHESTER-LIBRARY | RADB | Westchester Library Systems | MAINT-AS27506 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.