What is ASN AS400543?

ASN AS400543 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400543?

AS400543 is listed under NEWTON HEALTHCARE 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.

AS400543 NEWTON HEALTHCARE CORPORATION

ASN Lookup Tool

NEWTON HEALTHCARE CORPORATION newtonmed.com

US 1 Routes

AS Data

AS400543

AS400543 – NEWTON HEALTHCARE CORPORATION

AS Number	400543
AS Name	NHC-BGP-AS
Organization	NEWTON HEALTHCARE CORPORATION(nhc-1105)
Country	US
Website	newtonmed.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2022-03-18

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Use ASN data for AS400543 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
12.158.148.0/24	AS400543	NEWTON HEALTHCARE CORPORATION	EM 3 NETWORKS LLC NEWTON MEDI	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:       400543
ASName:         NHC-BGP-AS
ASHandle:       AS400543
RegDate:        2022-03-18
Updated:        2022-03-18    
Ref:            https://rdap.arin.net/registry/autnum/400543


OrgName:        NEWTON HEALTHCARE CORPORATION
OrgId:          NHC-1105
Address:        600 Medical Center Drive
City:           Newton
StateProv:      KS
PostalCode:     67114
Country:        US
RegDate:        2022-02-26
Updated:        2022-03-07
Ref:            https://rdap.arin.net/registry/entity/NHC-1105


OrgNOCHandle: CAINB13-ARIN
OrgNOCName:   CAIN, BRIAN 
OrgNOCPhone:  +1-316-804-6099 
OrgNOCEmail:  BRIAN.CAIN@MYNMCHEALTH.ORG
OrgNOCRef:    https://rdap.arin.net/registry/entity/CAINB13-ARIN

OrgDNSHandle: CAINB13-ARIN
OrgDNSName:   CAIN, BRIAN 
OrgDNSPhone:  +1-316-804-6099 
OrgDNSEmail:  BRIAN.CAIN@MYNMCHEALTH.ORG
OrgDNSRef:    https://rdap.arin.net/registry/entity/CAINB13-ARIN

OrgRoutingHandle: CAINB13-ARIN
OrgRoutingName:   CAIN, BRIAN 
OrgRoutingPhone:  +1-316-804-6099 
OrgRoutingEmail:  BRIAN.CAIN@MYNMCHEALTH.ORG
OrgRoutingRef:    https://rdap.arin.net/registry/entity/CAINB13-ARIN

OrgAbuseHandle: CAUDE38-ARIN
OrgAbuseName:   CAUDELL, RYAN 
OrgAbusePhone:  +1-316-804-6099 
OrgAbuseEmail:  ryan.caudell@newtonmed.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CAUDE38-ARIN

OrgAbuseHandle: CAINB13-ARIN
OrgAbuseName:   CAIN, BRIAN 
OrgAbusePhone:  +1-316-804-6099 
OrgAbuseEmail:  BRIAN.CAIN@MYNMCHEALTH.ORG
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CAINB13-ARIN

OrgRoutingHandle: CAUDE38-ARIN
OrgRoutingName:   CAUDELL, RYAN 
OrgRoutingPhone:  +1-316-804-6099 
OrgRoutingEmail:  ryan.caudell@newtonmed.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/CAUDE38-ARIN

OrgTechHandle: CAUDE38-ARIN
OrgTechName:   CAUDELL, RYAN 
OrgTechPhone:  +1-316-804-6099 
OrgTechEmail:  ryan.caudell@newtonmed.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CAUDE38-ARIN

OrgTechHandle: CAINB13-ARIN
OrgTechName:   CAIN, BRIAN 
OrgTechPhone:  +1-316-804-6099 
OrgTechEmail:  BRIAN.CAIN@MYNMCHEALTH.ORG
OrgTechRef:    https://rdap.arin.net/registry/entity/CAINB13-ARIN

OrgNOCHandle: CAUDE38-ARIN
OrgNOCName:   CAUDELL, RYAN 
OrgNOCPhone:  +1-316-804-6099 
OrgNOCEmail:  ryan.caudell@newtonmed.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/CAUDE38-ARIN

OrgTechHandle: COTTL1-ARIN
OrgTechName:   Cottle, Mike 
OrgTechPhone:  +1-316-804-6101 
OrgTechEmail:  isreg@newtonmed.com
OrgTechRef:    https://rdap.arin.net/registry/entity/COTTL1-ARIN

OrgDNSHandle: CAUDE38-ARIN
OrgDNSName:   CAUDELL, RYAN 
OrgDNSPhone:  +1-316-804-6099 
OrgDNSEmail:  ryan.caudell@newtonmed.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/CAUDE38-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
AS7018	AT&T Enterprises, LLC	US
AS22773	Cox Communications Inc.	US

Upstreams

AS Number	Description	Country
AS22773	Cox Communications Inc.	US