ASN AS20398 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS20398?

AS20398 is listed under Controlled Networks and Communications Solutions, Inc..

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?

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AS20398 Controlled Networks and Communications Solutions, Inc.

ASN Lookup Tool

Controlled Networks and Communications Solutions, Inc. controllednetworks.com

US 11 Routes

AS Data

AS20398

AS20398 – Controlled Networks and Communications Solutions, Inc.

AS Number	20398
AS Name	CNCS-AS
Organization	Controlled Networks and Communications Solutions, Inc.(cncs-2)
Country	US
Website	controllednetworks.com
Number of IPv4 Routes	11
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2006-09-18

ASN Intelligence API for production workflows

Use ASN data for AS20398 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
74.116.136.0/24	AS20398	Controlled Networks and Communications Solutions, Inc.	MKB Technology	256
199.47.69.0/24	AS20398	Controlled Networks and Communications Solutions, Inc.	Controlled Networks and Communications Solutions, Inc.	256
208.72.24.0/24	AS20398	Controlled Networks and Communications Solutions, Inc.	Controlled Networks and Communications Solutions, Inc.	256
208.72.26.0/24	AS20398	Controlled Networks and Communications Solutions, Inc.	MKB Technology	256
23.235.48.0/24	AS20398	Controlled Networks and Communications Solutions, Inc.	Controlled Networks Solution LLC	256
208.72.27.0/24	AS20398	Controlled Networks and Communications Solutions, Inc.	Controlled Networks and Communications Solutions, Inc.	256
199.47.71.0/24	AS20398	Controlled Networks and Communications Solutions, Inc.	Controlled Networks and Communications Solutions, Inc.	256
199.47.70.0/24	AS20398	Controlled Networks and Communications Solutions, Inc.	Crown Bank	256
74.116.137.0/24	AS20398	Controlled Networks and Communications Solutions, Inc.	CONTROLLED NETWORKS	256
199.47.68.0/24	AS20398	Controlled Networks and Communications Solutions, Inc.	Controlled Networks and Communications Solutions, Inc.	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:       20398
ASName:         CNCS-AS
ASHandle:       AS20398
RegDate:        2006-09-18
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/20398


OrgName:        Controlled Networks and Communications Solutions, Inc.
OrgId:          CNCS-2
Address:        325 South River St.
City:           Hackensack
StateProv:      NJ
PostalCode:     07601
Country:        US
RegDate:        2006-08-28
Updated:        2024-11-25
Comment:        Send your complaints to complaints@controllednetworks.com
Ref:            https://rdap.arin.net/registry/entity/CNCS-2


OrgTechHandle: SUPPO1457-ARIN
OrgTechName:   Support Team
OrgTechPhone:  +1-201-751-8026 
OrgTechEmail:  cnsadmins@controllednetworks.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SUPPO1457-ARIN

OrgAbuseHandle: RSA98-ARIN
OrgAbuseName:   Sanchez, Ramon 
OrgAbusePhone:  +1-888-570-5727 
OrgAbuseEmail:  support@controllednetworks.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RSA98-ARIN

OrgTechHandle: RSA98-ARIN
OrgTechName:   Sanchez, Ramon 
OrgTechPhone:  +1-888-570-5727 
OrgTechEmail:  support@controllednetworks.com
OrgTechRef:    https://rdap.arin.net/registry/entity/RSA98-ARIN

RTechHandle: RSA98-ARIN
RTechName:   Sanchez, Ramon 
RTechPhone:  +1-888-570-5727 
RTechEmail:  support@controllednetworks.com
RTechRef:    https://rdap.arin.net/registry/entity/RSA98-ARIN

RNOCHandle: RSA98-ARIN
RNOCName:   Sanchez, Ramon 
RNOCPhone:  +1-888-570-5727 
RNOCEmail:  support@controllednetworks.com
RNOCRef:    https://rdap.arin.net/registry/entity/RSA98-ARIN

RAbuseHandle: RSA98-ARIN
RAbuseName:   Sanchez, Ramon 
RAbusePhone:  +1-888-570-5727 
RAbuseEmail:  support@controllednetworks.com
RAbuseRef:    https://rdap.arin.net/registry/entity/RSA98-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
AS23096	Controlled Networks Solution LLC	US
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS6939	Hurricane Electric LLC	US
AS701	Verizon Business/UUnet	US
AS3356	Level 3 Parent, LLC	US
AS701	Verizon Business	US

Upstreams

AS Number	Description	Country
AS23096	Controlled Networks Solution LLC	US
AS6939	Hurricane Electric LLC	US
AS3356	Level 3 Parent, LLC	US
AS701	Verizon Business	US