HomeASN LookupAS20252

AS20252

🇺🇸

JSIWMC - Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University7f234b9eeb09e186eb0156426c4da76c

ARINassigned
Announced Prefixes (BGP)
4total
4 IPv40 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)131,072
Announced (BGP)98,816
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
200
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
4/12/2001

Announced Prefixes

(BGP)4
|
Prefix
RPKI
IRR
Last Seen
38.146.193.0/24
No ROA
RADB
5/25/2026
140.251.0.0/17
No ROA
RADB
5/25/2026
157.139.0.0/16
No ROA
RADB
5/25/2026
207.162.253.0/24
No ROA
RADB
5/25/2026

Allocated Prefixes

(RIR)2
Prefix
Country
RIR
Status
140.251.0.0/16🇺🇸 USARINallocated
157.139.0.0/16🇺🇸 USARINallocated
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/20252

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/20252" | jq