What is ASN AS400357?

ASN AS400357 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS400357?

AS400357 is listed under Southcoast Health System, Inc..

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.

AS400357 Southcoast Health System, Inc.

ASN Lookup Tool

Southcoast Health System, Inc. southcoast.org

US 2 Routes

AS Data

AS400357

AS400357 – Southcoast Health System, Inc.

AS Number	400357
AS Name	SOUTHCOAST-HEALTH-01
Organization	Southcoast Health System, Inc.(shs-237)
Country	US
Website	southcoast.org
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2022-01-07

ASN Intelligence API for production workflows

Use ASN data for AS400357 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
50.170.20.0/24	AS400357	Southcoast Health System, Inc.	Southcoast Health System	256
50.170.19.0/24	AS400357	Southcoast Health System, Inc.	Southcoast Health System	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:       400357
ASName:         SOUTHCOAST-HEALTH-01
ASHandle:       AS400357
RegDate:        2022-01-07
Updated:        2022-01-07
Comment:        http://www.southcoast.org    
Ref:            https://rdap.arin.net/registry/autnum/400357


OrgName:        Southcoast Health System, Inc.
OrgId:          SHS-237
Address:        101 Page Street
City:           New Bedford
StateProv:      MA
PostalCode:     02719
Country:        US
RegDate:        2021-12-30
Updated:        2022-03-07
Ref:            https://rdap.arin.net/registry/entity/SHS-237


OrgNOCHandle: WEIDA3-ARIN
OrgNOCName:   Weida, Cliff 
OrgNOCPhone:  +1-508-971-5331 
OrgNOCEmail:  weidac@southcoast.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/WEIDA3-ARIN

OrgDNSHandle: WEIDA3-ARIN
OrgDNSName:   Weida, Cliff 
OrgDNSPhone:  +1-508-971-5331 
OrgDNSEmail:  weidac@southcoast.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/WEIDA3-ARIN

OrgAbuseHandle: PACHE92-ARIN
OrgAbuseName:   Pacheco, Joel 
OrgAbusePhone:  +1-774-263-3195 
OrgAbuseEmail:  PachecoJA@southcoast.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/PACHE92-ARIN

OrgAbuseHandle: WEIDA3-ARIN
OrgAbuseName:   Weida, Cliff 
OrgAbusePhone:  +1-508-971-5331 
OrgAbuseEmail:  weidac@southcoast.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/WEIDA3-ARIN

OrgRoutingHandle: WEIDA3-ARIN
OrgRoutingName:   Weida, Cliff 
OrgRoutingPhone:  +1-508-971-5331 
OrgRoutingEmail:  weidac@southcoast.org
OrgRoutingRef:    https://rdap.arin.net/registry/entity/WEIDA3-ARIN

OrgTechHandle: WEIDA3-ARIN
OrgTechName:   Weida, Cliff 
OrgTechPhone:  +1-508-971-5331 
OrgTechEmail:  weidac@southcoast.org
OrgTechRef:    https://rdap.arin.net/registry/entity/WEIDA3-ARIN

OrgAbuseHandle: INFOS26-ARIN
OrgAbuseName:   InfoSec-Role
OrgAbusePhone:  +1-508-973-3333 
OrgAbuseEmail:  InfoSec@southcoast.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/INFOS26-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
AS32145	OpenCape Corporation	US
AS7015	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS32145	OpenCape Corporation	US
AS7015	Comcast Cable Communications, LLC	US