ASN Lookup Tool

Charter Communications Inc charter.com US US 143 Routes

AS Data

AS11351

AS11351 – Charter Communications Inc

AS Number 11351
AS Name TWC-11351-NORTHEAST
Organization Charter Communications Inc (cc-3517)
Country US
Website charter.com
Number of IPv4 Routes 130
Number of IPv6 Routes 13
ASN type ISP
Registry ARIN
Date Allocated 1998-07-14

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Use ASN data for AS11351 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
209.195.240.0/24 256
24.25.128.0/18 16384
192.31.156.0/24 256
98.13.0.0/17 32768
184.74.0.0/17 32768
184.153.128.0/17 32768
74.69.0.0/16 65536
2600:6c0c:43c::/48 ~1×10²⁴
71.65.36.0/22 1024
66.24.0.0/16 65536
168.148.96.0/19 8192
68.172.128.0/18 16384
71.65.34.0/23 512
24.29.64.0/19 8192
24.24.0.0/18 16384
67.247.128.0/17 32768
2604:6000::/32 ~79×10²⁷
74.76.0.0/14 262144
24.31.128.0/19 8192
67.252.0.0/15 131072
24.58.0.0/15 131072
74.65.0.0/17 32768
72.226.128.0/17 32768
2602:107:e200::/40 ~309×10²⁴
74.74.128.0/17 32768
72.45.128.0/17 32768
72.43.0.0/18 16384
142.105.128.0/17 32768
24.39.96.0/21 2048
24.92.224.0/19 8192
69.204.0.0/17 32768
154.16.42.0/24 256
72.227.0.0/17 32768
24.213.192.0/18 16384
108.176.192.0/18 16384
150.221.0.0/18 16384
68.172.0.0/17 32768
68.175.128.0/17 32768
72.225.0.0/18 16384
50.75.128.0/18 16384
2602:107:6510::/44 ~19×10²⁴
199.29.192.0/24 256
68.172.192.0/20 4096
69.200.0.0/18 16384
67.244.128.0/17 32768
207.251.224.0/21 2048
74.65.128.0/18 16384
67.244.32.0/19 8192
76.37.0.0/16 65536
204.210.64.0/19 8192
66.66.0.0/15 131072
24.29.32.0/19 8192
74.74.64.0/18 16384
24.97.0.0/16 65536
45.46.0.0/15 131072
2600:5c01:e0a::/48 ~1×10²⁴
76.38.128.0/17 32768
64.30.240.0/20 4096
136.223.36.0/24 256
24.213.184.0/21 2048

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:       11351
ASName:         TWC-11351-NORTHEAST
ASHandle:       AS11351
RegDate:        1998-07-14
Updated:        2018-11-27
Ref:            https://rdap.arin.net/registry/autnum/11351


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


OrgTechHandle: IPADD1-ARIN
OrgTechName:   IPAddressing
OrgTechPhone:  +1-866-248-7662 
OrgTechEmail:  PublicIPAddressing@charter.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPADD1-ARIN

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



#
# 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:       11351
ASName:         TWC-11351-NORTHEAST
ASHandle:       AS11351
RegDate:        1998-07-14
Updated:        2018-11-27
Ref:            https://rdap.arin.net/registry/autnum/11351


Charter Communications Inc (CC-3517)


OrgTechHandle: IPADD1-ARIN
OrgTechName:   IPAddressing
OrgTechPhone:  +1-866-248-7662 
OrgTechEmail:  PublicIPAddressing@charter.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPADD1-ARIN

OrgAbuseHandle: ABUSE19-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-877-777-2263 
OrgAbuseEmail:  abuse@charter.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE19-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
AS7828 Northland Communications US
AS20337 SUNY Institute of Technology US
AS394372 Apogee Telecom Inc. US
AS401895 The Gleason Works US
AS33177 Kaleida Health US
AS40944 Mass College of Liberal Arts US
AS393962 Baillie Lumber Co., L.P. US
AS21806 National Fuel Gas Distribution Corporation US
AS23086 Pound Bang Incorporated US
AS62630 Husson University US
AS40229 MaineHealth Maine Medical Center US
AS53657 IANA - Autonomous System Number US
AS31747 BlackRock Financial Management, Inc. US
AS19345 Bard College at Simon's Rock US
AS55282 State University of New York College of Technology at Canton US
AS2003 Electric Power Research Institute US
AS7321 LocalNet Corporation US
AS2903 Madison Oneida BOCES US
AS14433 State University of New York Oswego US
AS22417 New York Central Mutual Fire Insurance Company US
AS20330 New York State Unified Court System US
AS10250 INet Solutions US
AS29968 Dunkirk & Fredonia Telephone Company US
AS55032 The Jackson Laboratory US
AS54471 Androscoggin Valley Hospital US
AS400057 Upstate Niagara Cooperatives US
AS63277 IANA - Autonomous System Number US
AS29701 Cutco Corporation US
AS22270 Bangor Savings Bank US
AS46820 Littleton Regional Hospital US
AS3576 Hodgson Russ LLP US
AS396343 Blurb, Inc. US
AS40625 Jefferson Community College US
AS395908 AmeriCU Credit Union US
AS402327 Anteris Solutions, Inc. US
AS23525 Canandaigua National Corporation US
AS394212 Weeks Medical Center US
AS11076 COMMUNITY COMPUTER SERVICE INC US
AS12120 Amphenol Corp US
AS26854 New York State US
AS23224 ELLIS MEDICINE US
AS33759 Regeneron Pharmaceuticals Inc. US
AS395054 CDPHP US
AS14423 NOVA CASUALTY COMPANY US
AS22390 XEROX CORPORATION US
AS39956 Community Care Physicians, P.C. US
AS400411 Sisters of Charity Hospital US
AS31981 BlueTower Hosting LLC US
AS53943 Paylocity Corporation US
AS26836 Marchese Computer Products, Inc. US
AS393838 Liberty Pumps, Inc. US
AS22455 ESL Federal Credit Union US
AS40757 MMG Insurance Company US
AS14437 C&S WHOLESALE GROCERS INC. US
AS13588 Paychex Inc. US
AS33239 Center for Internet Security US
AS46236 Guthrie Healthcare System US
AS40069 ASSURED INFORMATION SECURITY, INC. US
AS11847 GoNetSpeed US
AS400931 Rock Oak, LLC US

Upstreams

AS Number Description Country
AS7828 Northland Communications US
AS7843 Charter Communications Inc US

Downstreams

AS Number Description Country
AS7828 Northland Communications US
AS395908 IANA - Autonomous System Number US
AS20337 SUNY Institute of Technology US
AS394372 Apogee Telecom Inc. US
AS401895 The Gleason Works US
AS33177 Kaleida Health US
AS40944 Mass College of Liberal Arts US
AS393962 Baillie Lumber Co., L.P. US
AS21806 National Fuel Gas Distribution Corporation US
AS23086 Pound Bang Incorporated US

Contacts

Email Contacts

PublicIPAddressing@charter.com

Abuse Contacts

abuse@charter.net

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Frequently Asked Questions

ASN AS11351 is an Autonomous System Number used to identify a network for BGP internet routing.
AS11351 is listed under Charter Communications Inc.
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.