128.239.33.0/24 The College of William and Mary
Announced by AS11975 The College of William and Mary. RPKI not found Seen by 1 of our 5 looking glass sessions.
Summary
What the table says about 128.239.33.0/24
Prefix
Origin
AS11975 WM
RPKI
RPKI not found
Size
256 addresses
Less specific
More specifics
0
IRR route objects
0 exact, 3 covering
In RouteViews
2026-10-13 20:02 UTC
Paths
How 128.239.33.0/24 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.
RPKI
Route origin authorizations
No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.
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 |
|---|---|---|---|---|
| 128.239.0.0/17 covering | AS11975 WM | RADB | W&M | MAINT-AS11975 |
| 128.239.0.0/16 covering | AS11975 WM | RADB | College of William & Mary PO Box 8795 Williamsburg, Va 23185, USA | MAINT-AS11975 |
| 128.239.0.0/16 covering | AS198949 Radware | RADB | Maria William and Mary | MAINT-AS198949 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.