ASN AS23018 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS23018?

AS23018 is listed under CareSource Management Group, Co..

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.

AS23018 CareSource Management Group, Co.

ASN Lookup Tool

CareSource Management Group, Co. caresource.com

US 4 Routes

AS Data

AS23018

AS23018 – CareSource Management Group, Co.

AS Number	23018
AS Name	CSMGUSA
Organization	CareSource Management Group, Co.(cmg-60)
Country	US
Website	caresource.com
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2007-10-02

ASN Intelligence API for production workflows

Use ASN data for AS23018 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
208.90.148.0/24	AS23018	CareSource Management Group, Co.	CareSource Management Group, Co.	256
208.90.149.0/24	AS23018	CareSource Management Group, Co.	CareSource Management Group, Co.	256
208.90.150.0/24	AS23018	CareSource Management Group, Co.	CareSource Management Group, Co.	256
208.90.151.0/24	AS23018	CareSource Management Group, Co.	CareSource Management Group, Co.	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:       23018
ASName:         CSMGUSA
ASHandle:       AS23018
RegDate:        2007-10-02
Updated:        2015-08-04    
Ref:            https://rdap.arin.net/registry/autnum/23018


OrgName:        CareSource Management Group, Co.
OrgId:          CMG-60
Address:        230 N Main St
City:           Dayton
StateProv:      OH
PostalCode:     45402
Country:        US
RegDate:        2007-08-15
Updated:        2018-08-30
Ref:            https://rdap.arin.net/registry/entity/CMG-60


OrgTechHandle: NETWO7528-ARIN
OrgTechName:   Network Engineering
OrgTechPhone:  +1-937-531-3375 
OrgTechEmail:  disbursementservices@caresource.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO7528-ARIN

OrgNOCHandle: NETWO7528-ARIN
OrgNOCName:   Network Engineering
OrgNOCPhone:  +1-937-531-3375 
OrgNOCEmail:  disbursementservices@caresource.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO7528-ARIN

OrgAbuseHandle: NETWO7528-ARIN
OrgAbuseName:   Network Engineering
OrgAbusePhone:  +1-937-531-3375 
OrgAbuseEmail:  disbursementservices@caresource.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO7528-ARIN

RNOCHandle: NETWO7528-ARIN
RNOCName:   Network Engineering
RNOCPhone:  +1-937-531-3375 
RNOCEmail:  disbursementservices@caresource.com
RNOCRef:    https://rdap.arin.net/registry/entity/NETWO7528-ARIN

RTechHandle: NETWO7528-ARIN
RTechName:   Network Engineering
RTechPhone:  +1-937-531-3375 
RTechEmail:  disbursementservices@caresource.com
RTechRef:    https://rdap.arin.net/registry/entity/NETWO7528-ARIN

RAbuseHandle: NETWO7528-ARIN
RAbuseName:   Network Engineering
RAbusePhone:  +1-937-531-3375 
RAbuseEmail:  disbursementservices@caresource.com
RAbuseRef:    https://rdap.arin.net/registry/entity/NETWO7528-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
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS6181	Cincinnati Bell Telephone Company LLC	US
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS6181	Cincinnati Bell Telephone Company LLC	US
AS3356	Level 3 Parent, LLC	US