66.99.64.0/18 Illinois Century Network
Announced by AS6325 Illinois Century Network. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 66.99.64.0/18
Prefix
Origin
AS6325 ILLINOIS-CENTURY
RPKI
RPKI valid
Size
16,384 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 3 covering
In RouteViews
2026-10-13 17:13 UTC
Paths
How 66.99.64.0/18 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 6325
| Origin | AS6325 Illinois Century Network |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 4d 8h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6461 6325
| Origin | AS6325 Illinois Century Network |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 23h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 6325
| Origin | AS6325 Illinois Century Network |
| Origin code | IGP |
| Communities | 6461:5998 36295:100 36295:6461 |
| Updated | 5h 13m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS6325 to originate 66.99.64.0/18 up to /18. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 66.99.64.0/18 | /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 |
|---|---|---|---|---|
| 66.99.64.0/18 | AS6325 ILLINOIS-CENTURY | RADB | Illinois Century Network-State of Illinois-DOIT | 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.