AS33651 Comcast Cable Communications, LLC

AS Data

IP Routes

Raw Whois

Parsed Whois

Peers

Upstreams

Downstreams

Contacts

Legacy Routes

AS33651 – Comcast Cable Communications, LLC

AS Number	33651
AS Name	CMCS
Organization	Comcast Cable Communications, LLC(cccs)
Country	US
Website	comcast.com
Number of IPv4 Routes	98
Number of IPv6 Routes	308
ASN type	ISP
Allocation Status
Registry	ARIN
Date Allocated	N/A

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2001:559:82a1::/48	AS33651	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
169.230.77.0/24	AS33651	Comcast Cable Communications, LLC	University of California San Francisco	256
50.145.55.0/24	AS33651	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	256
2001:559:83aa::/48	AS33651	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
107.0.26.0/24	AS33651	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	256
2001:559:80c3::/48	AS33651	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
2001:559:c43c::/48	AS33651	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
45.58.232.0/21	AS33651	Comcast Cable Communications, LLC	WiredISP Inc.	2048
2001:559:c37d::/48	AS33651	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
buy plan	AS834	IPXO LLC	Comcast Cable Communications, LLC	2048
buy plan	AS33651	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
buy plan	AS33651	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
buy plan	AS33651	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
buy plan	AS33651	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴

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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 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       33651
ASName:         CMCS
ASHandle:       AS33651
RegDate:        2005-02-16
Updated:        2021-01-25    
Ref:            https://rdap.arin.net/registry/autnum/33651



OrgName:        Comcast Cable Communications, LLC
OrgId:          CCCS
Address:        1800 Bishops Gate Blvd
City:           Mt Laurel
StateProv:      NJ
PostalCode:     08054
Country:        US
RegDate:        2001-09-18
Updated:        2020-11-18
Ref:            https://rdap.arin.net/registry/entity/CCCS


OrgRoutingHandle: ROUTI25-ARIN
OrgRoutingName:   Routing
OrgRoutingPhone:  +1-856-792-2300 
OrgRoutingEmail:  routing@comcast.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI25-ARIN

OrgTechHandle: IC161-ARIN
OrgTechName:   Comcast Cable Communications Inc
OrgTechPhone:  +1-856-792-2300 
OrgTechEmail:  CNIPEO-Ip-registration@cable.comcast.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IC161-ARIN

OrgAbuseHandle: NAPO-ARIN
OrgAbuseName:   Network Abuse and Policy Observance
OrgAbusePhone:  +1-888-565-4329 
OrgAbuseEmail:  abuse@comcast.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NAPO-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 1997-2025, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS54201	We Link Networks LLC	US
AS13843	Phoenix American Inc.	US
AS46867	Sebastian	US
AS5081	CLARE COMPUTER SOLUTIONS	US
AS397804	Lighthouse Document Technologies, Inc	US
AS397450	City of Fairfield	US
AS395844	LUSD	US
AS26758	RESERVED	ZZ
AS397062	Sun-Maid Growers of California	US
AS6099	Alameda County Office of Education	US
AS393320	Forty Niners Holdings LP	US
AS16914	MBH ARCHITECTS	US
AS5774	United States Postal Service	US
AS40385	Saint Mary's College of California	US
AS397258	Graton Resort and Casino	US
AS14443	Broadridge Financial Solutions, Inc.	US
AS53985	DODGE & COX	US
AS32537	Xilinx Incorporated	US
AS19126	KIZA	US
buy plan	California Department of Technology	US
buy plan	NBCUniversal	US
buy plan	Santa Clara County Federal Credit Union	US
buy plan	City and County of San Francisco	US
buy plan	Genomic Health, Inc.	US

Buy our plan to see all Peers See All Peers

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS7922	Comcast Cable Communications, LLC	US

Downstreams

AS Number	Description	Country
AS54201	We Link Networks LLC	US
AS13843	Phoenix American Inc.	US
AS46867	Sebastian	US
AS5081	CLARE COMPUTER SOLUTIONS	US
AS397804	Lighthouse Document Technologies, Inc	US
AS397450	City of Fairfield	US
AS395844	LUSD	US
AS6099	Alameda County Office of Education	US
AS393320	Forty Niners Holdings LP	US
AS16914	MBH ARCHITECTS	US
AS5774	United States Postal Service	US
AS40385	Saint Mary's College of California	US
AS397258	Graton Resort and Casino	US
AS53985	DODGE & COX	US
AS32537	Xilinx Incorporated	US
AS19126	KIZA	US
AS46216	Ice Consulting	US
AS6379	A Link Network Services, Inc.	US
AS396943	City of Sunnyvale	US
AS23338	DCS Pacific Star, LLC	US
AS26211	Proofpoint, Inc.	US
AS22024	Splunk, Inc.	US
AS23154	Sanmina SCI Corporation	US
AS55064	Arista Networks, Inc.	US
AS396505	ENLOE MEDICAL CENTER	US
AS16758	Ricoh USA, Inc.	US
AS55278	California Capital Insurance Company	US
AS26758	IANA - Autonomous System Number	ZZ
AS40620	QIAGEN Redwood City, Inc.	US
AS395210	Western Carriers Inc.	US
AS11203	Matrix Broadband	US
AS14388	Bronco Wine Co.	US
AS33311	TOPCON POSITIONING SYSTEMS INC	US
AS33382	CRYPTIC STUDIOS, INC.	US
AS14203	Juniper Networks, Inc.	US
AS11620	Succeed.Net	US
AS54269	Provident Credit Union	US
AS63435	County of Monterey	US
AS53497	WebPerception, LLC	US
AS397942	Rubrik Inc	US
AS11829	Cadence Design Systems, Inc.	US
AS25753	California Public Employees' Retirement System	US
AS32504	Intelletrace	US
AS397620	City of Menlo Park	US
AS54654	Mills College	US
AS397777	Torani	US
AS54474	City of Santa Cruz	US
AS398204	City of Stockton	US
AS7235	LanMinds, Inc.	US
AS396337	Dreisbach Enterprises, Inc.	US
AS22369	Cloudmylab.com	US
AS396484	City of Roseville	US
AS399761	Stream IT Networks LLC	US
AS10753	Level 3 Parent, LLC	US
AS36040	Google LLC	US
AS17381	Williams Sonoma	US
AS46425	Salinas Valley Memorial Hospital	US
AS26476	CyberU, Inc.	US
AS54169	Marin General Hospital	US
AS54469	City of Vacaville	US
AS204662	Harmonic France SAS	FR
AS36361	Quora Inc	US
AS36761	Hearst Argyle Television, Inc.	US
AS397030	Hilton Worldwide Holdings Inc	US
AS23472	SonicWALL, Inc.	US
AS53782	Pacific Coast Producers	US
AS2894	California Department of Water Resources	US
AS46305	Universal Audio, Inc.	US
AS397765	California College of the Arts	US
AS17003	Zoetis Inc.	US
AS22317	F5, Inc.	US
AS62508	GlobalLogic Inc.	US
AS22700	University of San Francisco	US
AS395132	Meriwest Credit Union	US
AS46186	Gilead Sciences	US
AS54661	Intercontinental Exchange, Inc.	US
AS46864	Workday, Inc.	US
AS19637	Avago Technologies U.S. Inc.	US
AS17117	RITSnet, Inc.	US
AS35928	BECKMAN COULTER, INC.	US
AS22768	SYNERGY BROADBAND	US
AS16920	Wind River Systems, Inc.	US
AS398469	Fox Thermal Instruments Inc	US
AS13511	Univision Communications Inc.	US
AS395976	Comcast Cable Communications, LLC	US
AS31802	City of San Rafael	US
AS20325	Patelco Credit Union	US
AS46798	Service Station Computer Systems, Inc.	US
AS2003	Electric Power Research Institute	US
AS25878	Quinstreet, Inc.	US
AS54293	Vocera Communications, Inc.	US
AS40639	F Korbel & Bros Inc	US
AS400484	Natividad Medical Center	US
AS394516	County of Napa MIS	US
AS398178	Telcion Communications Group	US
AS22695	Playground Global, LLC	US
AS393518	ClaimRemedi, Inc.	US
AS19099	Rambus	US
AS400373	SKYDIO, INC.	US
AS29878	Community Hospital of the Monterey Peninsula	US
AS11031	Orbis Investments Canada Limited	CA
AS30175	EPICOR	US
AS10309	County of Marin	US
AS46341	California Public Utilities Commission	US
AS11328	Bio Rad Laboratories, Inc.	US
AS18841	Trimble, Inc.	US
AS46520	California Department of Justice	US
AS13395	SMART CITY NETWORKS, LIMITED PARTNERSHIP	US
AS398572	Monolithic Power Systems,Inc	US
AS11212	COUNTY OF SONOMA	US
AS11483	Conviva, Inc.	US
AS14421	Theravance Biopharma US, LLC	US
AS18880	Lam Research Corporation	US
AS393355	SAMSUNG RESEARCH AMERICA, INC.	US
AS397813	Clarke Broadcasting Corporation	US
AS32928	ITechTool Incorporated	US
AS393305	IANA - Autonomous System Number	ZZ
AS394763	Contra Costa County Employees Retirement Association	US
AS393914	Invitae Corp	US
AS5091	Stripe, Inc.	US
AS25632	NorthBay Healthcare Corporation	US
AS18556	State Compensation Insurance Fund	US
AS32319	Marqeta, Inc.	US
AS54651	Black Duck Software, Inc.	US
AS5098	Opus One Winery, LLC	US
AS27580	CONVERGEONE HOLDINGS, INC.	US
AS398732	Deutscher Properties Corporation	US
AS55059	Microwave Power Products, Inc.	US
AS395240	CARIAD, Inc.	US
AS394377	County of Tulare	US
AS12222	Akamai Technologies, Inc.	US
AS20066	Supermicro Computer	US
AS54246	AFNI, Inc.	US
AS27528	Eikon Therapeutics, Inc.	US
AS36776	Five9 Inc.	US
AS30051	Santa Clara County	US
AS54912	Bay Alarm Company	US
AS397994	Xactly Corporation	US
AS395882	Power Integrations, INC.	US
AS10982	TiVo, Inc.	US
AS54104	InfoObjects Inc.	US
AS20383	Exchange Bank	US
AS33161	Chumash Casino Resort	US
AS18663	University of the Pacific	US
AS401582	San Jose Sharks, LLC	US
AS25875	FriendFinder Networks Inc	US
AS32688	THE GOLDEN 1 CREDIT UNION	US
AS397062	Sun Maid Growers of California	US
AS395323	County of San Mateo	US
AS36838	INFOIMAGE OF CALIFORNIA	US
AS40039	ALPHA AND OMEGA SEMICONDUCTOR INCORPORATED	US
AS10780	Pure Storage, INC.	US
AS26325	Technology Credit Union	US
AS54656	California Water Service Company	US
AS14706	Monterey Bay Aquarium Research Institute	US
AS3708	Pacific Biosciences of California, Inc.	US
AS394993	Santa Clara Valley Transportation Authority	US
AS1226	California Department of Technology	US
AS17035	NBCUniversal	US
AS395757	Santa Clara County Federal Credit Union	US
AS395011	City and County of San Francisco	US
AS19622	Genomic Health, Inc.	US

Contacts

Email Contacts

cnipeo-ip-registration@cable.comcast.com abuse@comcast.net routing@comcast.com

Abuse Contacts

abuse@comcast.net

Legacy Routes

9.142.96.0/19 5.182.186.0/24 149.126.13.0/24 63.246.152.0/24 2001:559:32d::/48 138.226.48.0/21 5.182.194.0/24 162.218.89.0/24 138.226.64.0/20 2002::/16 23.197.96.0/22 50.224.201.0/24 103.111.63.0/24 50.222.102.0/24 161.82.44.0/23 36.255.215.0/24 103.216.197.0/24 185.201.41.0/24 138.226.112.0/21 63.246.148.0/24 2001:559:c024::/48 23.6.199.0/24 63.246.159.0/24 50.217.58.0/24 50.238.133.0/24 45.67.141.0/24 50.236.209.0/24 5.182.193.0/24 63.246.129.0/24 161.82.12.0/24 185.201.43.0/24 161.82.0.0/24 5.182.195.0/24 50.230.161.0/24 50.236.97.0/24 23.197.50.0/23 78.31.206.0/24 209.78.88.0/24 9.142.48.0/20