ASN AS11623 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS11623?

AS11623 is listed under CT Communications Network.

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.

AS11623 CT Communications Network

ASN Lookup Tool

CT Communications Network ctcommunications.com

US 3 Routes

AS Data

AS11623

AS11623 – CT Communications Network

AS Number	11623
AS Name	CTCN
Organization	CT Communications Network(ccn-27)
Country	US
Website	ctcommunications.com
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	1998-10-26

ASN Intelligence API for production workflows

Use ASN data for AS11623 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

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
65.75.224.0/20	AS11623	CT Communications Network	CT Communications Network	4096
67.43.192.0/20	AS11623	CT Communications Network	CT Communications Network	4096
67.43.192.0/24	AS11623	CT Communications Network	CT Communications Network	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:       11623
ASName:         CTCN
ASHandle:       AS11623
RegDate:        1998-10-26
Updated:        2019-04-03    
Ref:            https://rdap.arin.net/registry/autnum/11623


OrgName:        CT Communications Network
OrgId:          CCN-27
Address:        126 Scioto Street
City:           Urbana
StateProv:      OH
PostalCode:     43078
Country:        US
RegDate:        1998-10-26
Updated:        2024-06-17
Ref:            https://rdap.arin.net/registry/entity/CCN-27


OrgRoutingHandle: NOC2367-ARIN
OrgRoutingName:   Network Operations Center
OrgRoutingPhone:  +1-419-739-3165 
OrgRoutingEmail:  noc@cniteam.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NOC2367-ARIN

OrgAbuseHandle: NETWO9703-ARIN
OrgAbuseName:   Network Engineering
OrgAbusePhone:  +1-937-653-4000 
OrgAbuseEmail:  engineering@ctcommunications.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO9703-ARIN

OrgAbuseHandle: WRB6-ARIN
OrgAbuseName:   Barnhart, William Roger
OrgAbusePhone:  +1-937-653-2233 
OrgAbuseEmail:  roger@ctcommunications.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/WRB6-ARIN

OrgNOCHandle: NOC2367-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-419-739-3165 
OrgNOCEmail:  noc@cniteam.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC2367-ARIN

OrgTechHandle: NOC2367-ARIN
OrgTechName:   Network Operations Center
OrgTechPhone:  +1-419-739-3165 
OrgTechEmail:  noc@cniteam.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC2367-ARIN

OrgDNSHandle: NOC2367-ARIN
OrgDNSName:   Network Operations Center
OrgDNSPhone:  +1-419-739-3165 
OrgDNSEmail:  noc@cniteam.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/NOC2367-ARIN

RTechHandle: WRB6-ARIN
RTechName:   Barnhart, William Roger
RTechPhone:  +1-937-653-2233 
RTechEmail:  roger@ctcommunications.com
RTechRef:    https://rdap.arin.net/registry/entity/WRB6-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
AS36280	Indatel Services, LLC	US
AS7106	Com Net, Inc.	US

Upstreams

AS Number	Description	Country
AS7106	Com Net, Inc.	US