66.99.8.0/22 Concordia University Chicago
Announced by AS19941 Concordia University Chicago. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 66.99.8.0/22
Prefix
Origin
AS19941 CONCORDIA-UNIVERSITY-CHICAGO
RPKI
RPKI valid
Size
1,024 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 4 covering
In RouteViews
2026-10-13 08:02 UTC
Paths
How 66.99.8.0/22 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 33491 19941
| Origin | AS19941 Concordia University Chicago |
| Origin code | IGP |
| Communities | 3356:3 3356:22 3356:86 3356:575 3356:666 3356:901 3356:2059 33491:2955 36601:150 36601:2001 36601:13760 33491:162:4603 |
| Updated | 5d 7h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 33491 19941
| Origin | AS19941 Concordia University Chicago |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 16h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7922 33491 19941
| Origin | AS19941 Concordia University Chicago |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 16h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS19941 to originate 66.99.8.0/22 up to /22. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 66.99.8.0/22 | /22 | AS19941 CONCORDIA-UNIVERSITY-CHICAGO | 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 |
|---|---|---|---|---|
| 66.99.8.0/22 | AS19941 CONCORDIA-UNIVERSITY-CHICAGO | LEVEL3 | Concordia Univ | CTI-MNT |
| 66.99.8.0/22 | AS19941 CONCORDIA-UNIVERSITY-CHICAGO | RADB | Concordia University Chicago (AS19941) | MAINT-AS6325 |
| 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.