Data as of Nov 9, 2026
140.251.128.0/19
No anonymizer space · no proxy exits in 30 daysNewYork-Presbyterian Hospital · space held by Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 140.251.128.0/18 since Oct 2016 | AS395139 | Business | Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University | |
| 140.251.128.0/17 since Oct 2016 | AS395139 | Business | Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University |
Network & registry
Origin network
AS395139
US
- Name
- NewYork-Presbyterian Hospital
- Type
- Business
- Registered
- Sep 7, 2016
- Domain
- nyp.org
- Industry
- Retail Stores, Wholesale, and E-commerce Sites
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2025
- Current origin since
- Mar 2025 · 1.6 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 140.
251. 0. 0/ 16 - Netname
- CUMC
- Registrant
- Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University
- Organization
- Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University (JOANAN)
- Org address
- 1300 York Avenue, New York, NY, 10065
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-140-251-0-0-1
- Parent
- NET-140-0-0-0-0
- Created
- Jun 29, 1990
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 29, 1990
- Status
- assigned
Report abuse
Abuse contact
- abuse@
med. cornell. edu - Name
- Information Security Abuse Response
- Phone
- +1-212-746-4878
- Handle
- ISAR-ARIN