128.255.0.0/16 University of Iowa
Announced by AS3676 University of Iowa. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 128.255.0.0/16
Prefix
Origin
AS3676 UIOWA-AS
RPKI
RPKI valid
Size
65,536 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-13 04:03 UTC
Paths
How 128.255.0.0/16 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 6122 3676
| Origin | AS3676 University of Iowa |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 3d 15h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 2381×2 3676
| Origin | AS3676 University of Iowa |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 12h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 2381×2 3676
| Origin | AS3676 University of Iowa |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 12h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS3676 to originate 128.255.0.0/16 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 128.255.0.0/16 | /24 | AS3676 UIOWA-AS | 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 |
|---|---|---|---|---|
| 128.255.0.0/16 | AS3676 UIOWA-AS | RADB | University of Iowa Iowa City, Iowa, USA | MAINT-UIOWA |