ASN Lookup Tool

CASS INFORMATION SYSTEMS cassinfo.com US US 2 Routes

AS Data

AS19663

AS19663 – CASS INFORMATION SYSTEMS

AS Number 19663
AS Name CASS-STL
Organization CASS INFORMATION SYSTEMS(cis-88)
Country US
Website cassinfo.com
Number of IPv4 Routes 2
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2001-01-31

ASN Intelligence API for production workflows

Use ASN data for AS19663 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route # IPs
192.69.141.0/24 256
12.147.44.0/24 256

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:       19663
ASName:         CASS-STL
ASHandle:       AS19663
RegDate:        2001-01-31
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/19663


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 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS7018 AT&T Enterprises, LLC US
AS22677 Charter Communications LLC US

Upstreams

AS Number Description Country
AS7018 AT&T Enterprises, LLC US
AS22677 Charter Communications LLC US

Ready to get started?Get Started with IP Intelligence API Today

Get Started
CTA Illustration

Frequently Asked Questions

ASN AS19663 is an Autonomous System Number used to identify a network for BGP internet routing.
AS19663 is listed under CASS INFORMATION SYSTEMS.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.