ASN AS20231 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS20231?

AS20231 is listed under Charter Communications 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?

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.

AS20231 Charter Communications Inc

ASN Lookup Tool

Charter Communications Inc charter.com

US 4 Routes

AS Data

AS20231

AS20231 – Charter Communications Inc

AS Number	20231
AS Name	TWC-20231-NE-KS-C3
Organization	Charter Communications Inc(cc-3517)
Country	US
Website	charter.com
Number of IPv4 Routes	2
Number of IPv6 Routes	2
ASN type	ISP
Registry	ARIN
Date Allocated	2001-04-10

ASN Intelligence API for production workflows

Use ASN data for AS20231 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	Origin	Origin Name	ISP	# IPs
192.62.240.0/21	AS20231	Charter Communications Inc	Charter Communications LLC	2048
76.58.46.0/23	AS20231	Charter Communications Inc	Charter Communications Inc	512
2602:107:e7c0::/43	AS20231	Charter Communications Inc	Charter Communications LLC	~39×10²⁴
2602:107:4000::/40	AS20231	Charter Communications Inc	Charter Communications LLC	~309×10²⁴

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:       20231
ASName:         TWC-20231-NE-KS-C3
ASHandle:       AS20231
RegDate:        2001-04-10
Updated:        2022-03-15    
Ref:            https://rdap.arin.net/registry/autnum/20231



OrgName:        Charter Communications Inc
OrgId:          CC-3517
Address:        6175 S. Willow Dr
City:           Greenwood Village
StateProv:      CO
PostalCode:     80111
Country:        US
RegDate:        2018-10-10
Updated:        2022-09-14
Comment:        Legacy Time Warner Cable IP Assets
Ref:            https://rdap.arin.net/registry/entity/CC-3517


OrgAbuseHandle: ABUSE19-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-877-777-2263 
OrgAbuseEmail:  abuse@charter.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE19-ARIN

OrgTechHandle: IPADD1-ARIN
OrgTechName:   IPAddressing
OrgTechPhone:  +1-866-248-7662 
OrgTechEmail:  PublicIPAddressing@charter.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPADD1-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
AS25714	The Kansas City Southern Railway Co.	US
AS20115	Charter Communications LLC	US
AS54584	Phelps Memorial Health Center	US
AS12048	Hallcon Corporation	US
AS14010	Jack Henry & Associates, Inc.	US
AS13659	INTERTECH CORPORATION	US
AS10857	JCPenney	US
AS19914	AEG Kansas City Arena, LLC	US
AS401270	TVH Parts Co.	US
AS16428	Store Financial Services, LLC	US

Upstreams

AS Number	Description	Country
AS20115	Charter Communications LLC	US
AS11427	Charter Communications Inc	US

Downstreams

AS Number	Description	Country
AS25714	The Kansas City Southern Railway Co.	US
AS54584	Phelps Memorial Health Center	US
AS12048	Hallcon Corporation	US
AS14010	Jack Henry & Associates, Inc.	US
AS13659	INTERTECH CORPORATION	US
AS10857	JCPenney	US
AS19914	AEG Kansas City Arena, LLC	US
AS401270	TVH Parts Co.	US
AS16428	Store Financial Services, LLC	US
AS398009	Prairie Hills Wireless LLC	US