166.66.204.0/22 Millersville University of Pennsylvania
Announced by AS398813 Millersville University of Pennsylvania. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 166.66.204.0/22
Prefix
Origin
AS398813 MILLERSVILLE-UNIVERSITY
RPKI
RPKI valid
Size
1,024 addresses
Less specific
none
More specifics
0
IRR route objects
0 exact, 2 covering
In RouteViews
2026-10-12 20:02 UTC
Paths
How 166.66.204.0/22 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 398813
| Origin | AS398813 Millersville University of Pennsylvania |
| Origin code | IGP |
| Communities | 3356:3 3356:22 3356:100 3356:123 3356:575 3356:901 3356:2005 36601:150 36601:2001 36601:13760 |
| Updated | 4d 19h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 398813
| Origin | AS398813 Millersville University of Pennsylvania |
| 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 3356 398813
| Origin | AS398813 Millersville University of Pennsylvania |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 3h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS398813 to originate 166.66.0.0/16 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 166.66.0.0/16 | /24 | AS398813 MILLERSVILLE-UNIVERSITY | 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 |
|---|---|---|---|---|
| 166.66.0.0/16 covering | AS22192 SSHENET | LEVEL3 | Proxy-registered route object | LEVEL3-MNT |
| 166.66.0.0/16 covering | AS398813 MILLERSVILLE-UNIVERSITY | RADB | MILL | MAINT-AS22192 |