128.252.0.0/16 Washington University
Announced by AS2552 Washington University. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 128.252.0.0/16
Prefix
Origin
AS2552 WUSTL-ASN
RPKI
RPKI valid
Size
65,536 addresses
Less specific
none
More specifics
0
IRR route objects
3 exact, 0 covering
In RouteViews
2026-10-12 20:02 UTC
Paths
How 128.252.0.0/16 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 2552
| Origin | AS2552 Washington University |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 4d 18h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 2552
| Origin | AS2552 Washington University |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 2h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 3356 2552
| Origin | AS2552 Washington University |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 2h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS2552 to originate 128.252.0.0/16 up to /16. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 128.252.0.0/16 | /16 | AS2552 WUSTL-ASN | 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 |
|---|---|---|---|---|
| 128.252.0.0/16 | AS2552 WUSTL-ASN | ARIN | WUSTL IPv4 Washington University in Saint Louis 1 Brookings Drive Saint Louis, MO 63130 US | MNT-WASHIN-Z |
| 128.252.0.0/16 | AS2552 WUSTL-ASN | LEVEL3 | Proxy-registered route object | LEVEL3-MNT |
| 128.252.0.0/16 | AS2552 WUSTL-ASN | RADB | proxy entry for Washington University in St Louis | MAINT-CHTR-WD |