ASN Lookup Tool

Charter Communications Inc charter.com US US 18 Routes

AS Data

AS3456

AS3456 – Charter Communications Inc

AS Number 3456
AS Name TWC-3456-IT
Organization Charter Communications Inc(cc-3517)
Country US
Website charter.com
Number of IPv4 Routes 9
Number of IPv6 Routes 9
ASN type ISP
Registry ARIN
Date Allocated 1994-02-25

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IP Ranges

Route # IPs
165.237.0.0/16 65536
2001:1998:2000::/36 ~5×10²⁷
165.237.15.0/24 256
2600:5c00:2304::/48 ~1×10²⁴
2001:1998:3000::/36 ~5×10²⁷
2600:5c00:21cf::/48 ~1×10²⁴
2001:438:fffd:111::/64 ~18×10¹⁸
2600:5c00:2541::/48 ~1×10²⁴
192.219.231.0/24 256
204.29.131.0/24 256

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:       3456
ASName:         TWC-3456-IT
ASHandle:       AS3456
RegDate:        1994-02-25
Updated:        2018-11-27    
Ref:            https://rdap.arin.net/registry/autnum/3456



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.
#

Parsed Whois Response

Peers

AS Number Description Country
AS7843 Charter Communications Inc US
AS20001 Charter Communications Inc US
AS6461 Zayo Bandwidth US

Upstreams

AS Number Description Country
AS7843 Charter Communications Inc US
AS20001 Charter Communications Inc US
AS6461 Zayo Bandwidth US

Contacts

Email Contacts

PublicIPAddressing@charter.com

Abuse Contacts

abuse@charter.net

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Frequently Asked Questions

ASN AS3456 is an Autonomous System Number used to identify a network for BGP internet routing.
AS3456 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.