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IP address details
AS20252
Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University·
IP address details
AS20252
Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University·
  • Summary IP.CC
  • Prefixes
  • Peers
  • Upstream
  • Downstream
  • Graphs
  • World Map
  • WHOIS Details
  • IX

Summary

  • As Number
    AS20252
  • Org Name
    Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University
  • Country
  • Country Code
  • Website
  • Regional Registry
    IANA
  • Allocated Date
    12th April 2001
  • Allocated Status
    Assigned
  • Ipv4 Prefixes
    3
  • Ipv6 Prefixes
    0
  • Ipv4 Peers
    3
  • Ipv6 Peers
    0
  • Ipv4 Upstreams
    3
  • Ipv6 Upstreams
    0

Prefixes

There are 3 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
United States140.251.0.0/17
Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University
140.251.0.0/16ARIN
United States157.139.0.0/16
Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University
--ARIN
United States207.162.253.0/24
Weill Cornell Medical College in Qatar
207.162.240.0/20ARIN
  • 1
IP Ranges API
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Useful for GameTech, and Advertising Technology
IP Ranges APIIP.CC
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
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IP Ranges APIIP.CC

Peers

There are 3 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
AS12271
Charter Communications Inc
true
AS174
true
AS46887
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Upstream

There are 3 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
AS12271
Charter Communications Inc
true
AS174
true
AS46887
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Downstream

There are 0 IPv4 Downstreams for this ASN.

Country
ASN
Description
IPv6
暂无数据
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Graphs

AS20252 Combined Upstream Graph AS20252 AS20252 AS12271 AS12271 AS20252->AS12271 AS46887 AS46887 AS20252->AS46887 AS7843 AS7843 AS12271->AS7843 AS3356 AS3356 AS46887->AS3356 AS6461 AS6461 AS46887->AS6461 AS1299 AS1299 AS7843->AS1299 AS3356->AS1299 AS7018 AS7018 AS3356->AS7018 AS2497 AS2497 AS3356->AS2497 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209 AS1239 AS1239 AS3356->AS1239 AS2914 AS2914 AS3356->AS2914
AS20252 Combined Upstream Graph AS20252 AS20252 AS12271 AS12271 AS20252->AS12271 AS46887 AS46887 AS20252->AS46887 AS7843 AS7843 AS12271->AS7843 AS3356 AS3356 AS46887->AS3356 AS6461 AS6461 AS46887->AS6461 AS1299 AS1299 AS7843->AS1299 AS3356->AS1299 AS7018 AS7018 AS3356->AS7018 AS2497 AS2497 AS3356->AS2497 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209 AS1239 AS1239 AS3356->AS1239 AS2914 AS2914 AS3356->AS2914

World Map

WHOIS Details


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber: 20252
ASName: JSIWMC
ASHandle: AS20252
RegDate: 2001-04-12
Updated: 2012-02-24
Ref: https://rdap.arin.net/registry/autnum/20252


OrgName: Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University
OrgId: JOANAN
Address: 1300 York Avenue
City: New York
StateProv: NY
PostalCode: 10065
Country: US
RegDate: 2000-06-07
Updated: 2013-07-31
Ref: https://rdap.arin.net/registry/entity/JOANAN


OrgAbuseHandle: ISAR-ARIN
OrgAbuseName: Information Security Abuse Response
OrgAbusePhone: +1-212-746-4878
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/ISAR-ARIN

OrgTechHandle: NOC216-ARIN
OrgTechName: Network Operations Center
OrgTechPhone: +1-212-746-4878
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/NOC216-ARIN

OrgNOCHandle: NOC216-ARIN
OrgNOCName: Network Operations Center
OrgNOCPhone: +1-212-746-4878
OrgNOCEmail: [email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC216-ARIN

RTechHandle: VIV3-ARIN
RTechName: Varughese, Vinay I.
RTechPhone: +1-212-746-4622
RTechEmail: [email protected]
RTechRef: https://rdap.arin.net/registry/entity/VIV3-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber: 20252
ASName: JSIWMC
ASHandle: AS20252
RegDate: 2001-04-12
Updated: 2012-02-24
Ref: https://rdap.arin.net/registry/autnum/20252


OrgName: Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University
OrgId: JOANAN
Address: 1300 York Avenue
City: New York
StateProv: NY
PostalCode: 10065
Country: US
RegDate: 2000-06-07
Updated: 2013-07-31
Ref: https://rdap.arin.net/registry/entity/JOANAN


OrgAbuseHandle: ISAR-ARIN
OrgAbuseName: Information Security Abuse Response
OrgAbusePhone: +1-212-746-4878
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/ISAR-ARIN

OrgTechHandle: NOC216-ARIN
OrgTechName: Network Operations Center
OrgTechPhone: +1-212-746-4878
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/NOC216-ARIN

OrgNOCHandle: NOC216-ARIN
OrgNOCName: Network Operations Center
OrgNOCPhone: +1-212-746-4878
OrgNOCEmail: [email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC216-ARIN

RTechHandle: VIV3-ARIN
RTechName: Varughese, Vinay I.
RTechPhone: +1-212-746-4622
RTechEmail: [email protected]
RTechRef: https://rdap.arin.net/registry/entity/VIV3-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#

IX

Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
IP.CC
Search
IP address details
AS20252
Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University·
IP address details
AS20252
Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University·

Summary

  • As Number
    AS20252
  • Org Name
    Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University
  • Country
  • Country Code
  • Website
  • Regional Registry
    IANA
  • Allocated Date
    12th April 2001
  • Allocated Status
    Assigned
  • Ipv4 Prefixes
    3
  • Ipv6 Prefixes
    0
  • Ipv4 Peers
    3
  • Ipv6 Peers
    0
  • Ipv4 Upstreams
    3
  • Ipv6 Upstreams
    0

Prefixes

There are 3 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
United States140.251.0.0/17
Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University
140.251.0.0/16ARIN
United States157.139.0.0/16
Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University
--ARIN
United States207.162.253.0/24
Weill Cornell Medical College in Qatar
207.162.240.0/20ARIN
  • 1
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges APIIP.CC
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges APIIP.CC

Peers

There are 3 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
AS12271
Charter Communications Inc
true
AS174
true
AS46887
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Upstream

There are 3 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
AS12271
Charter Communications Inc
true
AS174
true
AS46887
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Downstream

There are 0 IPv4 Downstreams for this ASN.

Country
ASN
Description
IPv6
暂无数据
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Graphs

AS20252 Combined Upstream Graph AS20252 AS20252 AS12271 AS12271 AS20252->AS12271 AS46887 AS46887 AS20252->AS46887 AS7843 AS7843 AS12271->AS7843 AS3356 AS3356 AS46887->AS3356 AS6461 AS6461 AS46887->AS6461 AS1299 AS1299 AS7843->AS1299 AS3356->AS1299 AS7018 AS7018 AS3356->AS7018 AS2497 AS2497 AS3356->AS2497 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209 AS1239 AS1239 AS3356->AS1239 AS2914 AS2914 AS3356->AS2914
AS20252 Combined Upstream Graph AS20252 AS20252 AS12271 AS12271 AS20252->AS12271 AS46887 AS46887 AS20252->AS46887 AS7843 AS7843 AS12271->AS7843 AS3356 AS3356 AS46887->AS3356 AS6461 AS6461 AS46887->AS6461 AS1299 AS1299 AS7843->AS1299 AS3356->AS1299 AS7018 AS7018 AS3356->AS7018 AS2497 AS2497 AS3356->AS2497 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209 AS1239 AS1239 AS3356->AS1239 AS2914 AS2914 AS3356->AS2914

World Map

WHOIS Details


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber: 20252
ASName: JSIWMC
ASHandle: AS20252
RegDate: 2001-04-12
Updated: 2012-02-24
Ref: https://rdap.arin.net/registry/autnum/20252


OrgName: Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University
OrgId: JOANAN
Address: 1300 York Avenue
City: New York
StateProv: NY
PostalCode: 10065
Country: US
RegDate: 2000-06-07
Updated: 2013-07-31
Ref: https://rdap.arin.net/registry/entity/JOANAN


OrgAbuseHandle: ISAR-ARIN
OrgAbuseName: Information Security Abuse Response
OrgAbusePhone: +1-212-746-4878
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/ISAR-ARIN

OrgTechHandle: NOC216-ARIN
OrgTechName: Network Operations Center
OrgTechPhone: +1-212-746-4878
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/NOC216-ARIN

OrgNOCHandle: NOC216-ARIN
OrgNOCName: Network Operations Center
OrgNOCPhone: +1-212-746-4878
OrgNOCEmail: [email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC216-ARIN

RTechHandle: VIV3-ARIN
RTechName: Varughese, Vinay I.
RTechPhone: +1-212-746-4622
RTechEmail: [email protected]
RTechRef: https://rdap.arin.net/registry/entity/VIV3-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber: 20252
ASName: JSIWMC
ASHandle: AS20252
RegDate: 2001-04-12
Updated: 2012-02-24
Ref: https://rdap.arin.net/registry/autnum/20252


OrgName: Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University
OrgId: JOANAN
Address: 1300 York Avenue
City: New York
StateProv: NY
PostalCode: 10065
Country: US
RegDate: 2000-06-07
Updated: 2013-07-31
Ref: https://rdap.arin.net/registry/entity/JOANAN


OrgAbuseHandle: ISAR-ARIN
OrgAbuseName: Information Security Abuse Response
OrgAbusePhone: +1-212-746-4878
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/ISAR-ARIN

OrgTechHandle: NOC216-ARIN
OrgTechName: Network Operations Center
OrgTechPhone: +1-212-746-4878
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/NOC216-ARIN

OrgNOCHandle: NOC216-ARIN
OrgNOCName: Network Operations Center
OrgNOCPhone: +1-212-746-4878
OrgNOCEmail: [email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC216-ARIN

RTechHandle: VIV3-ARIN
RTechName: Varughese, Vinay I.
RTechPhone: +1-212-746-4622
RTechEmail: [email protected]
RTechRef: https://rdap.arin.net/registry/entity/VIV3-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#

IX

Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
What is an ASN?
Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.
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