Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University
AS20252 is Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University (cornell.edu). It announces 98,816 IPv4 addresses in 4 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2001-04-12· education
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States98,816 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- JSIWMC
- name
- Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University
- org
- JOANAN
- org name
- Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University
- org address
- 1300 York Avenue, New York, NY, 10065
- org city
- New York
- org country
- US
- country
- US
- source
- arin
- created
- 2001-04-12
- updated
- 2012-02-24
- abuse name
- Information Security Abuse Response
- abuse email
- abuse@med.cornell.edu
- abuse phone
- +1-212-746-4878
- abuse kind
- role
- abuse city
- New York
- abuse country
- US
- admin name
- Vinay Varughese
- admin email
- vinay@med.cornell.edu
- admin phone
- +1-212-746-4622
- admin kind
- person
- admin city
- New York
- admin country
- US
- tech
- VIV3-ARIN
- tech name
- Vinay Varughese
- tech email
- vinay@med.cornell.edu
- tech phone
- +1-212-746-4622
- tech kind
- person
- tech city
- New York
- tech country
- US
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.00%
- 711proxy0.00%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.00%
- None here
- 0.00%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 38.146.193.0/24 | United States | not found | 18 | 2026-10-02 |
| 140.251.0.0/17 | United States | not found | 20 | 2026-10-02 |
| 157.139.0.0/16 | United States | not found | 20 | 2026-10-02 |
| 207.162.253.0/24 | United States | not found | 17 | 2026-10-02 |
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