AS26305 SSM Health Care

• IPv4 Prefixes
• IPv6 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	67.66.136.0/21	AT&T Corp.		67.64.0.0/14	ARIN
	67.66.136.0/23	AT&T Corp.		67.64.0.0/14	ARIN
	67.66.140.0/23	AT&T Corp.		67.64.0.0/14	ARIN
	67.66.142.0/24	AT&T Enterprises, LLC		66.208.112.0/20	ARIN
	75.128.171.0/24	SSM Health Care		75.128.0.0/12	ARIN
	165.104.0.0/16	SSM Health Care		165.104.0.0/16	ARIN
	165.104.0.0/23	SSM Health Care		165.104.0.0/16	ARIN
	165.104.250.0/24	SSM Health Care		162.214.0.0/15	ARIN
	165.104.251.0/24	SSM Health Care		163.131.0.0/16	APNIC

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2620:1f6::/36	SSM Health Care		2620:1f6::/36	ARIN

• IPv4 Peers
• IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS22677	CHARTER-22677-MO-IL-C3	CHARTER-22677-MO-IL-C3
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC

Country	ASN	Name	Description	IPv4
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC
	AS22677	CHARTER-22677-MO-IL-C3	CHARTER-22677-MO-IL-C3

• IPv4 Upstreams
• IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC
	AS22677	CHARTER-22677-MO-IL-C3	CHARTER-22677-MO-IL-C3

IPv4 Upstream Graph

×

IPv4 Upstream Graph

Loading...

Loading...

Country	ASN	Name	Description	IPv4
	AS7018	ATT-INTERNET4	AT&T Enterprises, LLC
	AS22677	CHARTER-22677-MO-IL-C3	CHARTER-22677-MO-IL-C3

IPv6 Upstream Graph

×

IPv6 Upstream Graph

Loading...

Loading...

#
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       26305
ASName:         ASN-SSM
ASHandle:       AS26305
RegDate:        2002-08-16
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/26305


OrgName:        SSM Health Care
OrgId:          SHC-4
Address:        SSM Data Center
Address:        7980 Clayton Rd, Suite 401
City:           St. Louis
StateProv:      MO
PostalCode:     63117
Country:        US
RegDate:        1993-05-12
Updated:        2022-07-20
Ref:            https://rdap.arin.net/registry/entity/SHC-4


OrgAbuseHandle: DS1663-ARIN
OrgAbuseName:   Steinberg, Don 
OrgAbusePhone:  +1-314-768-5148 
OrgAbuseEmail:  Don.Steinberg@ssmhealth.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DS1663-ARIN

OrgAbuseHandle: PEISS1-ARIN
OrgAbuseName:   Peissig, Ryan 
OrgAbusePhone:  +1-920-420-4092 
OrgAbuseEmail:  ryan.peissig@ssmhealth.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/PEISS1-ARIN

OrgTechHandle: DS1663-ARIN
OrgTechName:   Steinberg, Don 
OrgTechPhone:  +1-314-768-5148 
OrgTechEmail:  Don.Steinberg@ssmhealth.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DS1663-ARIN

OrgTechHandle: PEISS1-ARIN
OrgTechName:   Peissig, Ryan 
OrgTechPhone:  +1-920-420-4092 
OrgTechEmail:  ryan.peissig@ssmhealth.com
OrgTechRef:    https://rdap.arin.net/registry/entity/PEISS1-ARIN

RTechHandle: MS2156-ARIN
RTechName:   Suter, Mike 
RTechPhone:  +1-636-923-8175 
RTechEmail:  mike-a@suternet.com
RTechRef:    https://rdap.arin.net/registry/entity/MS2156-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 1997-2025, American Registry for Internet Numbers, Ltd.
#