What is ASN AS399665?

ASN AS399665 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS399665?

AS399665 is listed under ZOLL Medical Corporation.

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?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS399665 ZOLL Medical Corporation

ASN Lookup Tool

ZOLL Medical Corporation zoll.com

US 1 Routes

AS Data

AS399665

AS399665 – ZOLL Medical Corporation

AS Number	399665
AS Name	ZOLL-BROOMFIELD
Organization	ZOLL Medical Corporation(zmc-10)
Country	US
Website	zoll.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2021-05-11

ASN Intelligence API for production workflows

Use ASN data for AS399665 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
198.99.238.0/24	AS399665	ZOLL Medical Corporation	ZOLL Medical Corporation	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:       399665
ASName:         ZOLL-BROOMFIELD
ASHandle:       AS399665
RegDate:        2021-05-11
Updated:        2021-05-11    
Ref:            https://rdap.arin.net/registry/autnum/399665


OrgName:        ZOLL Medical Corporation
OrgId:          ZMC-10
Address:        269 Mill Road
City:           Chelmsford
StateProv:      MA
PostalCode:     01824-4105
Country:        US
RegDate:        2019-01-10
Updated:        2020-06-05
Ref:            https://rdap.arin.net/registry/entity/ZMC-10


OrgNOCHandle: SABOT1-ARIN
OrgNOCName:   Sabotta, Eric 
OrgNOCPhone:  +1-978-805-6425 
OrgNOCEmail:  esabotta@zoll.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/SABOT1-ARIN

OrgDNSHandle: SABOT1-ARIN
OrgDNSName:   Sabotta, Eric 
OrgDNSPhone:  +1-978-805-6425 
OrgDNSEmail:  esabotta@zoll.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/SABOT1-ARIN

OrgAbuseHandle: SABOT1-ARIN
OrgAbuseName:   Sabotta, Eric 
OrgAbusePhone:  +1-978-805-6425 
OrgAbuseEmail:  esabotta@zoll.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SABOT1-ARIN

OrgRoutingHandle: SABOT1-ARIN
OrgRoutingName:   Sabotta, Eric 
OrgRoutingPhone:  +1-978-805-6425 
OrgRoutingEmail:  esabotta@zoll.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/SABOT1-ARIN

OrgTechHandle: SABOT1-ARIN
OrgTechName:   Sabotta, Eric 
OrgTechPhone:  +1-978-805-6425 
OrgTechEmail:  esabotta@zoll.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SABOT1-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
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS3356	Level 3 Parent, LLC	US
AS33652	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS33652	Comcast Cable Communications, LLC	US