66.99.5.0/24 CHICAGO PUBLIC LIBRARY
Announced by AS19480 CHICAGO PUBLIC LIBRARY. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 66.99.5.0/24
Prefix
Origin
AS19480 CPL
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 4 covering
In RouteViews
2026-10-13 17:13 UTC
Paths
How 66.99.5.0/24 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 13760 3356 6079 19480
| Origin | AS19480 CHICAGO PUBLIC LIBRARY |
| Origin code | IGP |
| Communities | 3356:3 3356:22 3356:100 3356:123 3356:575 3356:901 3356:2042 6079:6079 36601:150 36601:2001 36601:13760 65004:2914 |
| Updated | 4d 2h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 6079 19480
| Origin | AS19480 CHICAGO PUBLIC LIBRARY |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 0h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6079 19480
| Origin | AS19480 CHICAGO PUBLIC LIBRARY |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 6d 0h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS19480 to originate 66.99.5.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 66.99.5.0/24 | /24 | AS19480 CPL | ARIN |
| 66.99.0.0/18 | /18 | AS6325 ILLINOIS-CENTURY | ARIN |
| 66.99.0.0/17 | /17 | AS6325 ILLINOIS-CENTURY | ARIN |
| 66.99.0.0/16 | /16 | AS6325 ILLINOIS-CENTURY | 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 |
|---|---|---|---|---|
| 66.99.5.0/24 | AS19480 CPL | RADB | NET-66-99-0-0-1 CHICAGO PUBLIC LIBRARY 400 S STATE Chicago, IL 60605 US | MAINT-AS6079 |
| 66.99.0.0/18 covering | AS6325 ILLINOIS-CENTURY | RADB | State of IL CMS | MAINT-AS6325 |
| 66.99.0.0/17 covering | AS6325 ILLINOIS-CENTURY | LEVEL3 | Proxy-registered route object | LEVEL3-MNT |
| 66.99.0.0/17 covering | AS6325 ILLINOIS-CENTURY | RADB | State of IL CMS | MAINT-AS6325 |
| 66.99.0.0/16 covering | AS6325 ILLINOIS-CENTURY | RADB | State of IL CMS | MAINT-AS6325 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.