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AS394558 Sumitomo Pharma America, Inc.

Q: Why is WHOIS data shown for an ASN?

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

ASN Lookup Tool

Sumitomo Pharma America, Inc. us.sumitomo-pharma.com

US 2 Routes

AS Data

AS394558

AS394558 – Sumitomo Pharma America, Inc.

AS Number	394558
AS Name	SUNOVION
Organization	Sumitomo Pharma America, Inc.(sp)
Country	US
Website	us.sumitomo-pharma.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2015-10-14

ASN Intelligence API for production workflows

Use ASN data for AS394558 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
8.2.69.0/24	AS394558	Sumitomo Pharma America, Inc.	Sumitomo Pharma America, Inc.	256
64.209.90.128/25	AS394558	Sumitomo Pharma America, Inc.	Level 3 Parent, LLC	128

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:       394558
ASName:         SUNOVION
ASHandle:       AS394558
RegDate:        2015-10-14
Updated:        2016-04-06    
Ref:            https://rdap.arin.net/registry/autnum/394558


OrgName:        Sumitomo Pharma America, Inc.
OrgId:          SP
Address:        84 Waterford Drive
City:           Marlborough
StateProv:      MA
PostalCode:     01752
Country:        US
RegDate:        2010-11-09
Updated:        2025-11-06
Comment:        https://www.us.sumitomo-pharma.com/
Ref:            https://rdap.arin.net/registry/entity/SP


OrgTechHandle: NOC11702-ARIN
OrgTechName:   Network Operations Center
OrgTechPhone:  +1-508-481-6700 
OrgTechEmail:  network.operations@us.sumitomo-pharma.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC11702-ARIN

OrgNOCHandle: NOC11702-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-508-481-6700 
OrgNOCEmail:  network.operations@us.sumitomo-pharma.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC11702-ARIN

OrgAbuseHandle: NOC11702-ARIN
OrgAbuseName:   Network Operations Center
OrgAbusePhone:  +1-508-481-6700 
OrgAbuseEmail:  network.operations@us.sumitomo-pharma.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC11702-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
AS46887	Crown Castle Fiber LLC	US
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS3356	Level 3 Parent, LLC	US

Frequently Asked Questions

What is ASN AS394558?

ASN AS394558 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS394558?

AS394558 is listed under Sumitomo Pharma America, Inc..

What do peers, upstreams, and downstreams mean?

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 included here?

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

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.