What is ASN AS394257?

ASN AS394257 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS394257?

AS394257 is listed under Springfield Clinic, LLP.

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.

AS394257 Springfield Clinic, LLP

ASN Lookup Tool

Springfield Clinic, LLP springfieldclinic.com

US 1 Routes

AS Data

AS394257

AS394257 – Springfield Clinic, LLP

AS Number	394257
AS Name	SPRINGFIELDCLINIC
Organization	Springfield Clinic, LLP(scl-233)
Country	US
Website	springfieldclinic.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2015-07-21

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Use ASN data for AS394257 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
66.85.62.0/24	AS394257	Springfield Clinic, LLP	Springfield Clinic, LLP	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:       394257
ASName:         SPRINGFIELDCLINIC
ASHandle:       AS394257
RegDate:        2015-07-21
Updated:        2015-07-21    
Ref:            https://rdap.arin.net/registry/autnum/394257


OrgName:        Springfield Clinic, LLP
OrgId:          SCL-233
Address:        1025 South 6th Street
City:           Springfield
StateProv:      IL
PostalCode:     62703
Country:        US
RegDate:        2014-01-17
Updated:        2024-07-23
Comment:        http://www.springfieldclinic.com
Ref:            https://rdap.arin.net/registry/entity/SCL-233


OrgAbuseHandle: INFOR121-ARIN
OrgAbuseName:   Information Technology
OrgAbusePhone:  +1-217-528-7541 
OrgAbuseEmail:  itnetworking@springfieldclinic.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/INFOR121-ARIN

OrgNOCHandle: INFOR121-ARIN
OrgNOCName:   Information Technology
OrgNOCPhone:  +1-217-528-7541 
OrgNOCEmail:  itnetworking@springfieldclinic.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/INFOR121-ARIN

OrgTechHandle: BALOC2-ARIN
OrgTechName:   Baloch, Alam 
OrgTechPhone:  +1-309-684-4550 
OrgTechEmail:  abaloch@springfieldclinic.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BALOC2-ARIN

OrgTechHandle: INFOR121-ARIN
OrgTechName:   Information Technology
OrgTechPhone:  +1-217-528-7541 
OrgTechEmail:  itnetworking@springfieldclinic.com
OrgTechRef:    https://rdap.arin.net/registry/entity/INFOR121-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
AS40948	Stratus Networks	US
AS33491	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS40948	Stratus Networks	US
AS33491	Comcast Cable Communications, LLC	US