ASN Lookup Tool

Charter Communications, LLC spectrum.com US US 55 Routes

AS Data

AS33588

AS33588 – Charter Communications, LLC

AS Number 33588
AS Name BRESNAN-33588
Organization Charter Communications, LLC (cc04)
Country US
Website spectrum.com
Number of IPv4 Routes 39
Number of IPv6 Routes 13
ASN type ISP
Registry ARIN
Date Allocated 2005-01-27

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IP Ranges

Route # IPs
150.181.91.0/24 256
2600:6c00:2::/47 ~2×10²⁴
2602:10f::/32 ~79×10²⁷
47.5.0.0/17 32768
159.111.16.0/20 4096
2602:107:4a00::/40 ~309×10²⁴
75.143.192.0/19 8192
35.133.0.0/18 16384
2602:107:4a20::/44 ~19×10²⁴
192.61.255.0/24 256
192.61.208.0/21 2048
174.45.0.0/16 65536
2600:6cf3::/32 ~79×10²⁷
173.40.192.0/20 4096
47.37.0.0/18 16384
184.166.0.0/15 131072
35.132.32.0/24 256
47.28.192.0/18 16384
71.15.192.0/19 8192
35.132.0.0/24 256
98.127.0.0/16 65536
2600:6cf2::/32 ~79×10²⁷
150.224.249.0/24 256
150.181.26.0/24 256
172.221.64.0/18 16384
69.144.0.0/15 131072
96.34.211.0/24 256
47.47.128.0/18 16384
150.181.24.0/23 512
2602:104:f::/48 ~1×10²⁴
71.85.191.0/24 256
35.151.208.0/20 4096
72.174.0.0/15 131072
35.132.48.0/20 4096
2600:6c67::/32 ~79×10²⁷
159.111.0.0/21 2048
47.44.112.0/20 4096
47.231.228.0/22 1024
69.146.0.0/16 65536
47.43.12.0/22 1024
2600:6c34::/30 ~317×10²⁷
2600:6c66::/32 ~79×10²⁷
137.26.64.0/18 16384
159.111.12.0/22 1024
2602:107:e7a0::/43 ~39×10²⁴
159.111.8.0/22 1024
76.58.56.0/23 512
47.45.128.0/17 32768
192.61.246.0/23 512
96.34.243.0/24 256
35.134.192.0/18 16384
35.150.64.0/18 16384
2602:10d:8000::/36 ~5×10²⁷
35.131.32.0/19 8192
2600:6c7f:9430::/44 ~19×10²⁴

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:       33588
ASName:         BRESNAN-33588
ASHandle:       AS33588
RegDate:        2005-01-27
Updated:        2018-11-20
Ref:            https://rdap.arin.net/registry/autnum/33588



OrgName:        Charter Communications LLC
OrgId:          CC04
Address:        6175 S. Willow Dr
City:           Greenwood Village
StateProv:      CO
PostalCode:     80111
Country:        US
RegDate:        
Updated:        2025-02-10
Ref:            https://rdap.arin.net/registry/entity/CC04


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
AS20115 Charter Communications LLC US
AS19115 Charter Communications LLC US
AS26450 CTDI US
AS399986 St. Peter's Health US
AS393367 Teton County Hospital District US
AS402935 City of Belgrade US
AS401920 Montana Outback Wireless Inc. US
AS25816 Touro College US
AS395251 Benefis Health System US
AS62817 BARRETT HOSPITAL AND HEALHCARE US
AS393657 Colorado Mesa University US
AS7843 Charter Communications Inc US
AS394913 AirGrids US
AS13590 Marcus Daly Memorial Hospital Corporation US
AS32146 City of Bozeman US

Upstreams

AS Number Description Country
AS20115 Charter Communications LLC US
AS7843 Charter Communications Inc US

Downstreams

AS Number Description Country
AS19115 Charter Communications LLC US
AS395251 Benefis Health System US
AS62817 BARRETT HOSPITAL AND HEALHCARE US
AS26450 CTDI US
AS393657 Colorado Mesa University US
AS393367 Teton County Hospital District US
AS394913 AirGrids US
AS13590 Marcus Daly Memorial Hospital Corporation US
AS401920 Montana Outback Wireless Inc. US
AS32146 City of Bozeman US

Contacts

Email Contacts

PublicIPAddressing@charter.com

Abuse Contacts

abuse@charter.net

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Frequently Asked Questions

ASN AS33588 is an Autonomous System Number used to identify a network for BGP internet routing.
AS33588 is listed under Charter Communications, LLC.
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.
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