AS20133 CASS INFORMATION SYSTEMS

• IPv4 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	12.109.109.0/24	CASS INFORMATION SYSTEMS		12.0.0.0/8	ARIN

• IPv4 Peers

Country	ASN	Name	Description
	AS10796	TWC-10796-MIDWEST	Charter Communications Inc
	AS7018	ATT-INTERNET4	AT&T Services, Inc.

• IPv4 Upstreams

Country	ASN	Name	Description
	AS7018	ATT-INTERNET4	AT&T Services, Inc.
	AS10796	TWC-10796-MIDWEST	Charter Communications Inc

IPv4 Upstream Graph

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IPv4 Upstream Graph

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#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
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# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
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# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
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ASNumber:       20133
ASName:         CASS-COL
ASHandle:       AS20133
RegDate:        2001-03-28
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/20133


OrgName:        CASS INFORMATION SYSTEMS
OrgId:          CIS-88
Address:        13001 HOLLENBERG DR.
City:           BRIDGETON
StateProv:      MO
PostalCode:     63044
Country:        US
RegDate:        1999-12-22
Updated:        2014-12-03
Ref:            https://rdap.arin.net/registry/entity/CIS-88


OrgAbuseHandle: SM1227-ARIN
OrgAbuseName:   Mullins, Sean 
OrgAbusePhone:  +1-314-506-5921 
OrgAbuseEmail:  smullins@cassinfo.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SM1227-ARIN

OrgTechHandle: SM1227-ARIN
OrgTechName:   Mullins, Sean 
OrgTechPhone:  +1-314-506-5921 
OrgTechEmail:  smullins@cassinfo.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SM1227-ARIN

RTechHandle: SM1227-ARIN
RTechName:   Mullins, Sean 
RTechPhone:  +1-314-506-5921 
RTechEmail:  smullins@cassinfo.com
RTechRef:    https://rdap.arin.net/registry/entity/SM1227-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.
#