ASN AS23235 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS23235?

AS23235 is listed under Boston Medical Center.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

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AS23235 Boston Medical Center

Boston Medical Center bmc.org

US 4 Routes

AS Data

AS23235

AS23235 – Boston Medical Center

AS Number	23235
AS Name	BOSMED-88-ENEWTON
Organization	Boston Medical Center(bmc-61)
Country	US
Website	bmc.org
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2002-02-13

ASN Intelligence API for production workflows

Use ASN data for AS23235 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
192.243.213.0/24	AS23235	Boston Medical Center	Boston Medical Center	256
50.200.163.0/24	AS23235	Boston Medical Center	Boston Medical Center	256
38.146.41.0/24	AS23235	Boston Medical Center	BMC Health System, Inc., on behalf of itself and its affiliates Boston Medical Center Corporation and Boston Medical Center Health Plan, Inc.	256
209.249.112.0/24	AS23235	Boston Medical Center	Boston Medical Center	256

Raw Whois Response

#
# 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 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       23235
ASName:         BOSMED-88-ENEWTON
ASHandle:       AS23235
RegDate:        2002-02-13
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/23235


OrgName:        Boston Medical Center
OrgId:          BMC-61
Address:        88 East Newton Street
City:           Boston
StateProv:      MA
PostalCode:     02118-2393
Country:        US
RegDate:        2002-02-13
Updated:        2024-07-30
Ref:            https://rdap.arin.net/registry/entity/BMC-61


OrgNOCHandle: KOTHI1-ARIN
OrgNOCName:   Kothireddy, Harshavardhan 
OrgNOCPhone:  +1-857-557-8838 
OrgNOCEmail:  harsha.kothireddy@bmc.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/KOTHI1-ARIN

OrgTechHandle: JFB59-ARIN
OrgTechName:   Bain, Julian F
OrgTechPhone:  +1-617-636-2270 
OrgTechEmail:  jbain@tuftsmedicalcenter.org
OrgTechRef:    https://rdap.arin.net/registry/entity/JFB59-ARIN

OrgTechHandle: KOTHI1-ARIN
OrgTechName:   Kothireddy, Harshavardhan 
OrgTechPhone:  +1-857-557-8838 
OrgTechEmail:  harsha.kothireddy@bmc.org
OrgTechRef:    https://rdap.arin.net/registry/entity/KOTHI1-ARIN

OrgAbuseHandle: MITCH457-ARIN
OrgAbuseName:   Mitchell, Paul 
OrgAbusePhone:  +1-617-636-4619 
OrgAbuseEmail:  pmitchell2@tuftsmedicalcenter.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MITCH457-ARIN

OrgAbuseHandle: JFB59-ARIN
OrgAbuseName:   Bain, Julian F
OrgAbusePhone:  +1-617-636-2270 
OrgAbuseEmail:  jbain@tuftsmedicalcenter.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/JFB59-ARIN

OrgDNSHandle: ZD65-ARIN
OrgDNSName:   David, Zellner 
OrgDNSPhone:  +1-617-414-1859 
OrgDNSEmail:  dave.zellner@bmc.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/ZD65-ARIN

OrgAbuseHandle: ZD65-ARIN
OrgAbuseName:   David, Zellner 
OrgAbusePhone:  +1-617-414-1859 
OrgAbuseEmail:  dave.zellner@bmc.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZD65-ARIN

OrgRoutingHandle: THAKA5-ARIN
OrgRoutingName:   Thakar, Rushik 
OrgRoutingPhone:  +1-617-414-1894 
OrgRoutingEmail:  rushik.thakar@bmc.org
OrgRoutingRef:    https://rdap.arin.net/registry/entity/THAKA5-ARIN

OrgRoutingHandle: KOTHI1-ARIN
OrgRoutingName:   Kothireddy, Harshavardhan 
OrgRoutingPhone:  +1-857-557-8838 
OrgRoutingEmail:  harsha.kothireddy@bmc.org
OrgRoutingRef:    https://rdap.arin.net/registry/entity/KOTHI1-ARIN

OrgAbuseHandle: KOTHI1-ARIN
OrgAbuseName:   Kothireddy, Harshavardhan 
OrgAbusePhone:  +1-857-557-8838 
OrgAbuseEmail:  harsha.kothireddy@bmc.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/KOTHI1-ARIN

OrgRoutingHandle: ZD65-ARIN
OrgRoutingName:   David, Zellner 
OrgRoutingPhone:  +1-617-414-1859 
OrgRoutingEmail:  dave.zellner@bmc.org
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ZD65-ARIN

OrgAbuseHandle: THAKA5-ARIN
OrgAbuseName:   Thakar, Rushik 
OrgAbusePhone:  +1-617-414-1894 
OrgAbuseEmail:  rushik.thakar@bmc.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/THAKA5-ARIN

OrgTechHandle: ZD65-ARIN
OrgTechName:   David, Zellner 
OrgTechPhone:  +1-617-414-1859 
OrgTechEmail:  dave.zellner@bmc.org
OrgTechRef:    https://rdap.arin.net/registry/entity/ZD65-ARIN

OrgDNSHandle: KOTHI1-ARIN
OrgDNSName:   Kothireddy, Harshavardhan 
OrgDNSPhone:  +1-857-557-8838 
OrgDNSEmail:  harsha.kothireddy@bmc.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/KOTHI1-ARIN

OrgNOCHandle: ZD65-ARIN
OrgNOCName:   David, Zellner 
OrgNOCPhone:  +1-617-414-1859 
OrgNOCEmail:  dave.zellner@bmc.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZD65-ARIN

OrgTechHandle: MITCH457-ARIN
OrgTechName:   Mitchell, Paul 
OrgTechPhone:  +1-617-636-4619 
OrgTechEmail:  pmitchell2@tuftsmedicalcenter.org
OrgTechRef:    https://rdap.arin.net/registry/entity/MITCH457-ARIN

OrgTechHandle: THAKA5-ARIN
OrgTechName:   Thakar, Rushik 
OrgTechPhone:  +1-617-414-1894 
OrgTechEmail:  rushik.thakar@bmc.org
OrgTechRef:    https://rdap.arin.net/registry/entity/THAKA5-ARIN

OrgNOCHandle: THAKA5-ARIN
OrgNOCName:   Thakar, Rushik 
OrgNOCPhone:  +1-617-414-1894 
OrgNOCEmail:  rushik.thakar@bmc.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/THAKA5-ARIN

OrgDNSHandle: THAKA5-ARIN
OrgDNSName:   Thakar, Rushik 
OrgDNSPhone:  +1-617-414-1894 
OrgDNSEmail:  rushik.thakar@bmc.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/THAKA5-ARIN

RTechHandle: ZD65-ARIN
RTechName:   David, Zellner 
RTechPhone:  +1-617-414-1859 
RTechEmail:  dave.zellner@bmc.org
RTechRef:    https://rdap.arin.net/registry/entity/ZD65-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 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS13335	Cloudflare, Inc.	US

Upstreams

AS Number	Description	Country
AS13335	Cloudflare, Inc.	US

ASN Lookup Tool

ASN Summary