209.124.176.0/20 University of Washington
Announced by AS101 University of Washington. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 209.124.176.0/20
Prefix
Origin
AS101 WASH-NSF-AS
RPKI
RPKI valid
Size
4,096 addresses
Less specific
none
More specifics
2
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-14 16:02 UTC
Paths
How 209.124.176.0/20 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 174 101×2
| Origin | AS101 University of Washington |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 6d 14h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 101×2
| Origin | AS101 University of Washington |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 22h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 101
| Origin | AS101 University of Washington |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 11h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS101 to originate 209.124.176.0/20 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 209.124.176.0/20 | /24 | AS101 WASH-NSF-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 |
|---|---|---|---|---|
| 209.124.176.0/20 | AS101 WASH-NSF-AS | RADB | Pacific Northwest Gigapop University of Washington Computing and Communications Networks and Distributed Computing 4545 15th Ave NE Seattle, WA 98105-4527 USA | MAINT-AS101 |
More specific
Prefixes inside 209.124.176.0/20
2 announced prefixes fall inside this one.