157.139.0.0/16 Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University
Announced by AS20252 Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 157.139.0.0/16
Prefix
Origin
AS20252 JSIWMC
RPKI
RPKI not found
Size
65,536 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-14 20:02 UTC
Paths
How 157.139.0.0/16 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 20252
| Origin | AS20252 Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University |
| Origin code | incomplete |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 5d 9h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 174 20252
| Origin | AS20252 Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 9h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 46887 20252
| Origin | AS20252 Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University |
| Origin code | incomplete |
| Communities | 6461:5998 36295:100 36295:6461 |
| Updated | 4h 4m ago |
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 |
|---|---|---|---|---|
| 157.139.0.0/16 | AS20252 JSIWMC | RADB | Proxy registration for the Joan & Sanford I. Weill Medical College of Cornell University | MAINT-AS3754 |