English
IP.CCIP.CC
IP.CC
Search
IP address details
AS21821
Montefiore Medical Center·
IP address details
AS21821
Montefiore Medical Center·
  • Summary IP.CC
  • Prefixes
  • Peers
  • Upstream
  • Downstream
  • Graphs
  • World Map
  • WHOIS Details
  • IX

Summary

  • As Number
    AS21821
  • Org Name
    Montefiore Medical Center
  • Country
  • Country Code
  • Website
  • Regional Registry
    IANA
  • Allocated Date
    3rd April 2017
  • Allocated Status
    Assigned
  • Ipv4 Prefixes
    4
  • Ipv6 Prefixes
    0
  • Ipv4 Peers
    3
  • Ipv6 Peers
    0
  • Ipv4 Upstreams
    3
  • Ipv6 Upstreams
    0

Prefixes

There are 4 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
United States144.121.102.0/24
Montefiore Medicine Academic Health System, Inc.
144.121.0.0/16ARIN
United States144.121.104.0/24
Montefiore Medicine Academic Health System, Inc.
144.121.0.0/16ARIN
United States216.255.100.0/24
Montefiore Medical Center
216.255.96.0/19ARIN
United States216.255.101.0/24
Montefiore Medical Center
216.255.96.0/19ARIN
  • 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
AS32787
true
AS46887
true
AS54004
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
AS32787
true
AS46887
true
AS54004
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

AS21821 Combined Upstream Graph AS21821 AS21821 AS32787 AS32787 AS21821->AS32787 AS46887 AS46887 AS21821->AS46887 AS2914 AS2914 AS32787->AS2914 AS6461 AS6461 AS32787->AS6461 AS6453 AS6453 AS32787->AS6453 AS2497 AS2497 AS32787->AS2497 AS1299 AS1299 AS32787->AS1299 AS7018 AS7018 AS32787->AS7018 AS3257 AS3257 AS46887->AS3257 AS3356 AS3356 AS46887->AS3356 AS1239 AS1239 AS6461->AS1239 AS209 AS209 AS3356->AS209 AS3549 AS3549 AS3356->AS3549
AS21821 Combined Upstream Graph AS21821 AS21821 AS32787 AS32787 AS21821->AS32787 AS46887 AS46887 AS21821->AS46887 AS2914 AS2914 AS32787->AS2914 AS6461 AS6461 AS32787->AS6461 AS6453 AS6453 AS32787->AS6453 AS2497 AS2497 AS32787->AS2497 AS1299 AS1299 AS32787->AS1299 AS7018 AS7018 AS32787->AS7018 AS3257 AS3257 AS46887->AS3257 AS3356 AS3356 AS46887->AS3356 AS1239 AS1239 AS6461->AS1239 AS209 AS209 AS3356->AS209 AS3549 AS3549 AS3356->AS3549

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: 21821
ASName: MMAHS-01
ASHandle: AS21821
RegDate: 2017-04-03
Updated: 2017-04-03
Ref: https://rdap.arin.net/registry/autnum/21821


OrgName: Montefiore Medical Center
OrgId: MMC-125
Address: 1 Fordham Plaza
City: Bronx
StateProv: NY
PostalCode: 10458
Country: US
RegDate: 2001-06-26
Updated: 2021-04-02
Ref: https://rdap.arin.net/registry/entity/MMC-125


OrgNOCHandle: NCC46-ARIN
OrgNOCName: NCC
OrgNOCPhone: +1-914-457-6700
OrgNOCEmail: [email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/NCC46-ARIN

OrgAbuseHandle: NCC46-ARIN
OrgAbuseName: NCC
OrgAbusePhone: +1-914-457-6700
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/NCC46-ARIN

OrgTechHandle: NCC46-ARIN
OrgTechName: NCC
OrgTechPhone: +1-914-457-6700
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/NCC46-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: 21821
ASName: MMAHS-01
ASHandle: AS21821
RegDate: 2017-04-03
Updated: 2017-04-03
Ref: https://rdap.arin.net/registry/autnum/21821


OrgName: Montefiore Medical Center
OrgId: MMC-125
Address: 1 Fordham Plaza
City: Bronx
StateProv: NY
PostalCode: 10458
Country: US
RegDate: 2001-06-26
Updated: 2021-04-02
Ref: https://rdap.arin.net/registry/entity/MMC-125


OrgNOCHandle: NCC46-ARIN
OrgNOCName: NCC
OrgNOCPhone: +1-914-457-6700
OrgNOCEmail: [email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/NCC46-ARIN

OrgAbuseHandle: NCC46-ARIN
OrgAbuseName: NCC
OrgAbusePhone: +1-914-457-6700
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/NCC46-ARIN

OrgTechHandle: NCC46-ARIN
OrgTechName: NCC
OrgTechPhone: +1-914-457-6700
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/NCC46-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
AS21821
Montefiore Medical Center·
IP address details
AS21821
Montefiore Medical Center·

Summary

  • As Number
    AS21821
  • Org Name
    Montefiore Medical Center
  • Country
  • Country Code
  • Website
  • Regional Registry
    IANA
  • Allocated Date
    3rd April 2017
  • Allocated Status
    Assigned
  • Ipv4 Prefixes
    4
  • Ipv6 Prefixes
    0
  • Ipv4 Peers
    3
  • Ipv6 Peers
    0
  • Ipv4 Upstreams
    3
  • Ipv6 Upstreams
    0

Prefixes

There are 4 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
United States144.121.102.0/24
Montefiore Medicine Academic Health System, Inc.
144.121.0.0/16ARIN
United States144.121.104.0/24
Montefiore Medicine Academic Health System, Inc.
144.121.0.0/16ARIN
United States216.255.100.0/24
Montefiore Medical Center
216.255.96.0/19ARIN
United States216.255.101.0/24
Montefiore Medical Center
216.255.96.0/19ARIN
  • 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
AS32787
true
AS46887
true
AS54004
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
AS32787
true
AS46887
true
AS54004
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

AS21821 Combined Upstream Graph AS21821 AS21821 AS32787 AS32787 AS21821->AS32787 AS46887 AS46887 AS21821->AS46887 AS2914 AS2914 AS32787->AS2914 AS6461 AS6461 AS32787->AS6461 AS6453 AS6453 AS32787->AS6453 AS2497 AS2497 AS32787->AS2497 AS1299 AS1299 AS32787->AS1299 AS7018 AS7018 AS32787->AS7018 AS3257 AS3257 AS46887->AS3257 AS3356 AS3356 AS46887->AS3356 AS1239 AS1239 AS6461->AS1239 AS209 AS209 AS3356->AS209 AS3549 AS3549 AS3356->AS3549
AS21821 Combined Upstream Graph AS21821 AS21821 AS32787 AS32787 AS21821->AS32787 AS46887 AS46887 AS21821->AS46887 AS2914 AS2914 AS32787->AS2914 AS6461 AS6461 AS32787->AS6461 AS6453 AS6453 AS32787->AS6453 AS2497 AS2497 AS32787->AS2497 AS1299 AS1299 AS32787->AS1299 AS7018 AS7018 AS32787->AS7018 AS3257 AS3257 AS46887->AS3257 AS3356 AS3356 AS46887->AS3356 AS1239 AS1239 AS6461->AS1239 AS209 AS209 AS3356->AS209 AS3549 AS3549 AS3356->AS3549

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: 21821
ASName: MMAHS-01
ASHandle: AS21821
RegDate: 2017-04-03
Updated: 2017-04-03
Ref: https://rdap.arin.net/registry/autnum/21821


OrgName: Montefiore Medical Center
OrgId: MMC-125
Address: 1 Fordham Plaza
City: Bronx
StateProv: NY
PostalCode: 10458
Country: US
RegDate: 2001-06-26
Updated: 2021-04-02
Ref: https://rdap.arin.net/registry/entity/MMC-125


OrgNOCHandle: NCC46-ARIN
OrgNOCName: NCC
OrgNOCPhone: +1-914-457-6700
OrgNOCEmail: [email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/NCC46-ARIN

OrgAbuseHandle: NCC46-ARIN
OrgAbuseName: NCC
OrgAbusePhone: +1-914-457-6700
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/NCC46-ARIN

OrgTechHandle: NCC46-ARIN
OrgTechName: NCC
OrgTechPhone: +1-914-457-6700
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/NCC46-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: 21821
ASName: MMAHS-01
ASHandle: AS21821
RegDate: 2017-04-03
Updated: 2017-04-03
Ref: https://rdap.arin.net/registry/autnum/21821


OrgName: Montefiore Medical Center
OrgId: MMC-125
Address: 1 Fordham Plaza
City: Bronx
StateProv: NY
PostalCode: 10458
Country: US
RegDate: 2001-06-26
Updated: 2021-04-02
Ref: https://rdap.arin.net/registry/entity/MMC-125


OrgNOCHandle: NCC46-ARIN
OrgNOCName: NCC
OrgNOCPhone: +1-914-457-6700
OrgNOCEmail: [email protected]
OrgNOCRef: https://rdap.arin.net/registry/entity/NCC46-ARIN

OrgAbuseHandle: NCC46-ARIN
OrgAbuseName: NCC
OrgAbusePhone: +1-914-457-6700
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/NCC46-ARIN

OrgTechHandle: NCC46-ARIN
OrgTechName: NCC
OrgTechPhone: +1-914-457-6700
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/NCC46-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
Related Networks
  • AS21815
    Weatherford College
  • AS21817
    Wave Broadband
  • AS21818
    BWTelcom
  • AS21820
    Private ASN
  • AS21822
    JD Byrider Systems Inc
  • AS21823
    Arvig Enterprises Inc.
  • AS21824
    EASYMAIL S.A.
  • AS21825
    Icarus Technologies
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.
IP.CC

An API to build on security, web personalization, marketing, and more

For the financial services sector and FinTech companies, IP.CC is an invaluable tool. Our clients in the financial industry love what we do, and we're excited to show you why.
IP.CC

Our IP Tools

Explore all toolsIP.CC
  • IP.CCPing

    Ping is a free tool to help you find IP addresses that can be pinged using the ICMP protocol. You can either lookup up an IP address or a CIDR block.

    Try PingIP.CC
  • IP.CCDNS

    DNS is a technique used to determine the hostname associated with an IP address. This is done searching hostname registry and registrar tables for PTR records.

    Try DNSIP.CC
  • IP.CCPort

    Port is a free tool for detecting open ports on your device. It automatically detects IP-address and scans your device, identifying open and vulnerable ports through which hackers.

    Try PortIP.CC
Frequently Asked Question
Contact UsIP.CC[email protected]
API ProductsIP Geolocation APIIP Ranges APIPrivacy Detection APIIP to CompanyIP Whois APIASN API
Database DownloadsIP Geolocation DatabasePrivacy detection databaseASN databaseIP to mobile carrier databaseIP to company databaseIP Whois Database Download
Use CasesAdvertising TechnologyCybersecurityE-CommerceFinancial TechnologyGameTechDigital Media and Social
ResourcesEnterprise CustomizationToolsCustomer storiesPartnersHelp centerBlog
Terms of ServicePrivacy Policy
API Products
IP Geolocation APIIP Ranges APIPrivacy Detection APIIP to Company APIIP Whois APIASN APIIP to Mobile CarrierHosted Domains API
Database Downloads
IP Geolocation DatabaseAbuse Contact DatabasePrivacy detection databaseIP to company databaseIP Whois Database DownloadASN databaseIP to mobile carrier databaseIP to Hosted Domains Database
Use Cases
Advertising TechnologyFinancial TechnologyCybersecurityGameTechE-CommerceDigital Media and Social
Resources
Knowledge BaseHelp centerBlogToolsMTRPORTPINGHEADDNSASN
Contact Us
IP.CC[email protected]
Terms of ServicePrivacy Policy