AS33657 Comcast Cable Communications, LLC

AS Data

IP Routes

Raw Whois

Parsed Whois

Peers

Upstreams

Downstreams

Contacts

Legacy Routes

AS33657 – Comcast Cable Communications, LLC

AS Number	33657
AS Name	CMCS
Organization	Comcast Cable Communications, LLC(cccs)
Country	US
Website	comcast.com
Number of IPv4 Routes	52
Number of IPv6 Routes	362
ASN type	ISP
Allocation Status
Registry	ARIN
Date Allocated	N/A

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2001:559:45b::/48	AS33657	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
2001:559:847e::/48	AS33657	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
2001:559:4a0::/48	AS33657	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
2001:559:5cd::/48	AS33657	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
216.145.192.0/20	AS400990	Shepherd University	Shepherd University	4096
2001:559:a003::/48	AS33657	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
2001:559:80fc::/48	AS33657	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
2001:559:877b::/48	AS33657	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
2001:559:2b6::/48	AS33657	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
buy plan	AS33657	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	256
buy plan	AS33657	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
buy plan	AS33657	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
buy plan	AS33657	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
buy plan	AS33657	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:       33657
ASName:         CMCS
ASHandle:       AS33657
RegDate:        2005-02-16
Updated:        2021-01-25    
Ref:            https://rdap.arin.net/registry/autnum/33657



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


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

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

OrgRoutingHandle: ROUTI25-ARIN
OrgRoutingName:   Routing
OrgRoutingPhone:  +1-856-792-2300 
OrgRoutingEmail:  routing@comcast.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI25-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
AS36457	District Photo, Inc.	US
AS21963	Agency Insurance Company	US
AS36486	AMTOTE INTERNATIONAL, INC.	US
AS63336	Adventist Healthcare	US
AS19936	Gordon Food Service	US
AS393997	Red Coats, Inc	US
AS22593	Blue Cross and Blue Shield of North Carolina	US
AS22414	Craigslist, Inc.	US
AS395481	i SW, LLC	US
AS396222	Tenable, Inc.	US
AS3705	U.S. Government Publishing Office	US
AS400678	LIDL US OPERATIONS, LLC	US
AS22596	UNIVERSAL HEALTH SERVICES	US
AS11362	Vector Data Systems LLC	US
AS398820	Eagle Alliance	US
AS11131	University of Maryland Baltimore County UMBC	US
AS53350	Embassy of Hungary	US
AS54849	Kane Warehousing, Inc	US
buy plan	United States Holocaust Memorial Museum	US
buy plan	World Wide Technology Holding Co., Inc.	US
buy plan	Space Telescope Science Institute	US
buy plan	PDP Group, Inc.	US
buy plan	Sentara Healthcare	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
AS36457	District Photo, Inc.	US
AS21963	Agency Insurance Company	US
AS36486	AMTOTE INTERNATIONAL, INC.	US
AS63336	Adventist Healthcare	US
AS19936	Gordon Food Service	US
AS393997	Red Coats, Inc	US
AS22593	Blue Cross and Blue Shield of North Carolina	US
AS22414	Craigslist, Inc.	US
AS395481	i SW, LLC	US
AS396222	Tenable, Inc.	US
AS3705	U.S. Government Publishing Office	US
AS400678	LIDL US OPERATIONS, LLC	US
AS22596	UNIVERSAL HEALTH SERVICES	US
AS11362	Vector Data Systems LLC	US
AS398820	Eagle Alliance	US
AS11131	University of Maryland Baltimore County UMBC	US
AS53350	Embassy of Hungary	US
AS54849	Kane Warehousing, Inc	US
AS14862	Oceaneering International, Inc.	US
AS32291	ANNE ARUNDEL MEDICAL CENTER	US
AS6405	American Information Network	US
AS16463	Data Processing Solutions, Inc.	US
AS10440	Merkle Inc.	US
AS46988	Maryland Institute College of Art	US
AS15134	Prince William County Service Authority	US
AS16881	Prall, Inc., David C	US
AS33170	Morgan State University	US
AS4902	CONSERVATION INTERNATIONAL FOUNDATION	US
AS14830	ProFund Advisors LLC	US
AS40833	The New York Times Company	US
AS16409	PBW Communications, LLC	US
AS53302	Baltimore County Government	US
AS13582	Cowan Systems, LLC	US
AS42228	Brightstar Limited	GB
AS13628	AMERISOURCEBERGEN	US
AS2384	Architect of the Capitol	US
AS11951	Medical Computer Systems	US
AS40857	IT CNP, Inc.	US
AS14384	HOST DESIGNS, LLC	US
AS25778	The Urban Institute	US
AS6092	Harford Community College	US
AS29713	Reliable Hosting Services	US
AS3573	Accenture LLP	US
AS46784	Davis Polk & Wardwell, LLP	US
AS53712	Wellington Management Company LLP	US
AS36040	Google LLC	US
AS26114	Anaplan, Inc.	US
AS394024	American Speech Language Hearing Association	US
AS17190	Washington Metropolitan Area Transit Authority	US
AS394112	NTT Global Data Centers Americas, INC.	US
AS25716	Trane Technologies Company LLC	US
AS401533	TGS, LLC	US
AS18733	ZeniMax Media Incorporated	US
AS40954	JM Family Enterprises Inc.	US
AS32837	Williams & Connolly, LLP	US
AS30641	STATE OF DELAWARE	US
AS397934	Latitude AI LLC	US
AS33506	COMMPUTERCATIONS	US
AS30330	Automotive Rentals, Inc.	US
AS394077	Lifebridge Health, Inc.	US
AS18967	Goucher College	US
AS22815	Kelly and Associates Insurance Group	US
AS400044	Chesapeake Employers Insurance Company	US
AS46200	IT Curves	US
AS22962	The Kennedy Center	US
AS53862	McDaniel College	US
AS396514	Carey International, Inc.	US
AS18478	Mednax Services, Inc.	US
AS53373	Mathematica, Inc.	US
AS396921	U.S. Customs and Border Protection	US
AS13511	Univision Communications Inc.	US
AS22101	Cyber Point International, LLC	US
AS46624	Beebe Medical Center Inc.	US
AS26793	ICS Advanced Technologies	US
AS35777	LTN Global Communications Inc	US
AS21683	Dalko, LLC	US
AS5721	National Defense University	US
AS7820	Tower Federal Credit Union	US
AS54116	Strom Holdings LLC	US
AS395009	Vectorworks, Inc.	US
AS33512	Gateway Processing Services	US
AS62957	HOSPITALITY NETWORK, LLC	US
AS11790	Random House, Inc.	US
AS4880	Lifeline Systems, Company	US
AS33174	Prince William County Government Department of IT DoIT	US
AS30385	Perdue Farms Incorporated	US
AS14473	Inside The Internet, Inc	US
AS19316	Quadrangle Development Corporation	US
AS40410	FRIT	US
AS393330	Circana LLC	US
AS27026	networkMaryland	US
AS29865	Continental Realty Corporation	US
AS400732	RiverNet, LLC	US
AS394984	Fragomen, Del Rey, Bernsen & Loewy, LLP	US
AS25984	MedStar Health	US
AS393473	Burris Logistics	US
AS14246	Thales Communications Inc.	US
AS19574	Corporation Service Company	US
AS393319	Anduril Industries, Inc.	US
AS31927	MPR Associates	US
AS22602	Experient Inc.	US
AS40391	CHS COOPERATIVES FOUNDATION	US
AS396017	Comcast Cable Communications, LLC	US
AS393706	Nelson Cable, Inc	US
AS395145	McDonogh School, Inc.	US
AS46187	International Spy Museum	US
AS40485	SANDY SPRING BANK	US
AS572	Greater Baltimore Medical Center Inc	US
AS2703	Data Prompt, Inc.	US
AS393432	Nanticoke Memorial Hospital INC	US
AS31902	Open Technology Solutions, LLC	US
AS16505	HTF	US
AS14036	Stack AV	US
AS12222	Akamai Technologies, Inc.	US
AS397601	Catchpoint Systems Inc	US
AS401366	Vox Flow LLC	US
AS398322	Educational Systems Federal Credit Union	US
AS393732	Bogdan Computer Services Inc.	US
AS20088	CURRENT COMPONENTS INC	US
AS394809	DCCA	US
AS26868	NCTA The Internet & Television Association	US
AS27003	American Bankers Association	US
AS400902	Gaylord National Resort & Convention Center	US
AS12245	Peninsula Regional Medical Center	US
AS14899	MobilexUSA	US
AS396322	Peace Corps	US
AS32073	Montgomery County Public Schools	US
AS17035	NBCUniversal	US
AS33738	United States Holocaust Memorial Museum	US
AS53252	World Wide Technology Holding Co., Inc.	US
AS26020	Space Telescope Science Institute	US
AS25696	PDP Group, Inc.	US
AS27336	Sentara Healthcare	US

Contacts

Email Contacts

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

Abuse Contacts

abuse@comcast.net

Legacy Routes

50.207.101.0/24 23.211.124.0/24 23.34.0.0/22 2001:559:c118::/48 206.251.196.0/22 206.251.200.0/22 23.211.125.0/24 192.126.96.0/20 50.202.217.0/24 192.203.187.0/24