ASN Lookup Tool

Harland Clarke Corp. harlandclarke.com US US 5 Routes

AS Data

AS21945

AS21945 – Harland Clarke Corp.

AS Number 21945
AS Name HARLANDCLARKE-AS
Organization Harland Clarke Corp.(hcc-106)
Country US
Website harlandclarke.com
Number of IPv4 Routes 5
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2006-02-07

ASN Intelligence API for production workflows

Use ASN data for AS21945 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
12.190.119.0/24 256
12.97.128.0/24 256
12.97.129.0/24 256
12.190.118.0/24 256
12.190.116.0/23 512

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:       21945
ASName:         HARLANDCLARKE-AS
ASHandle:       AS21945
RegDate:        2006-02-07
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/21945


OrgName:        Harland Clarke Corp.
OrgId:          HCC-106
Address:        15955 LaCantera Parkway
City:           San Antonio
StateProv:      TX
PostalCode:     78256
Country:        US
RegDate:        2008-01-22
Updated:        2025-04-29
Ref:            https://rdap.arin.net/registry/entity/HCC-106


OrgAbuseHandle: CBL15-ARIN
OrgAbuseName:   Black, Chris 
OrgAbusePhone:  +1-210-694-1055 
OrgAbuseEmail:  Chris.Black@harlandclarke.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CBL15-ARIN

OrgAbuseHandle: DARRE6-ARIN
OrgAbuseName:   Westfall, Darren A
OrgAbusePhone:  +1-210-697-1279 
OrgAbuseEmail:  Darren.Westfall@vericast.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DARRE6-ARIN

OrgTechHandle: DARRE6-ARIN
OrgTechName:   Westfall, Darren A
OrgTechPhone:  +1-210-697-1279 
OrgTechEmail:  Darren.Westfall@vericast.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DARRE6-ARIN

OrgTechHandle: CBL15-ARIN
OrgTechName:   Black, Chris 
OrgTechPhone:  +1-210-694-1055 
OrgTechEmail:  Chris.Black@harlandclarke.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CBL15-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
AS62 CyrusOne LLC US

Upstreams

AS Number Description Country
AS7018 AT&T Enterprises, LLC US
AS62 CyrusOne LLC US

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

Get Started
CTA Illustration

Frequently Asked Questions

ASN AS21945 is an Autonomous System Number used to identify a network for BGP internet routing.
AS21945 is listed under Harland Clarke Corp..
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.