AS20252 Weill Cornell University Medical Sciences 🇺🇸 US
Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University. Announcing 4 prefixes, seen at the RIS collectors.
IPv4 prefixes
4
98,816 (386 × /24)
IPv6 prefixes
0
-
Upstreams
4
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS20252
- Name
- Weill Cornell University Medical Sciences
- Organisation
- JSIWMC
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2001-04-12
- Scope
- Not Disclosed
- PeeringDB
- net/34950
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
4 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 38.146.193.0/24 v4 | no ROA | 45 | 5805717420252 | 2026-09-18 |
| 140.251.0.0/17 v4 | no ROA | 46 | 5805717420252 | 2026-09-18 |
| 157.139.0.0/16 v4 | no ROA | 46 | 5805717420252 | 2026-09-18 |
| 207.162.253.0/24 v4 | no ROA | 42 | 3454964614688720252 | 2026-09-18 |