AS33668 Comcast Cable Communications, LLC

CMCS

IPv4 Addresses: 7,424

Number of Peers: 83

Number of Prefixes: 95

ASN Allocated: Assigned

ASN
Prefixes
Peers
Upstreams
Downstreams
Graphs
World Map
Raw Whois

AS33668 Summary

Regional Registry:

IANA

Allocation Status:

Assigned

Traffic Ratio:

Not Disclosed

AS33668 Network

IPv4 Prefixes:

29

IPv4 Peers:

74

IPv4 Upstreams:

2

IPv6 Prefixes:

66

IPv6 Peers:

9

IPv6 Upstreams:

2

Contacts

Email Contacts:

abuse@comcast.net

cnipeo-ip-registration@cable.comcast.com

routing@comcast.com

Abuse Contacts:

abuse@comcast.net

Address:

1800 Bishops Gate Blvd,

Mt Laurel,

NJ,

08054,

US

IPv4 Prefixes
IPv6 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	50.202.125.0/24	Comcast Cable Communications, LLC		58.145.232.0/23	APNIC
	50.203.250.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.204.170.0/24	Comcast Cable Communications, LLC		50.31.128.0/17	ARIN
	50.206.127.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.207.92.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.216.168.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.217.249.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.220.170.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.221.158.0/24	Comcast Private Customer		50.128.0.0/9	ARIN
	50.223.155.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.226.70.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.227.241.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.228.137.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.229.7.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.232.15.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.233.62.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.233.114.0/24	Comcast Cable Communications, LLC		60.240.0.0/16	APNIC
	50.236.82.0/24	Comcast Cable Communications, LLC		52.129.48.0/20	ARIN
	50.238.250.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.239.133.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	107.0.213.0/24	Comcast Cable Communications, LLC		107.0.0.0/14	ARIN
	157.240.130.0/24	Facebook, Inc.		157.240.0.0/16	ARIN
	157.240.135.0/24	Facebook, Inc.		154.34.128.0/17	APNIC
	192.88.105.0/24	CONTINENTAL AUTOMOTIVE SYSTEMS, INC		192.88.105.0/24	ARIN
	192.138.205.0/24	Genessee District Library		192.138.205.0/24	ARIN
	198.180.251.0/24	MSX International		198.180.251.0/24	ARIN
	198.199.172.0/24	Grand Rapids Public Schools		198.199.172.0/24	ARIN
	206.201.156.0/24	Genesee County		206.201.144.0/20	ARIN
	206.201.158.0/24	Genesee County		206.201.144.0/20	ARIN

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2001:559:41::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:44::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:f2::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:15c::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:1ef::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:248::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:254::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:25d::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:261::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:318::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:330::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:33d::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:361::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:365::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:391::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:3ce::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:3d9::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:3fe::/48			-
	2001:559:5c5::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:5c8::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:704::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:7e7::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:809e::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:80a3::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:80ac::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:815e::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:817a::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:817b::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:819d::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:81d4::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:82d7::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:82f7::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:83e5::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:8441::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:8473::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:847f::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:84c0::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:84db::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:84fb::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:8567::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:85fa::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:85fb::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:860e::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:86b7::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:86cd::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:8709::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:8752::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:8774::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:c150::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:c1a3::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c1b4::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c1b6::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:c1c0::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c1cd::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c1ce::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c345::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:c3aa::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c3c5::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c3e2::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:c3eb::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c45a::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:c48d::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:c500::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:c539::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:c568::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2602:810:20c3::/48	Dynatrace		2602:810:2000::/40	ARIN

IPv4 Peers
IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS15023	LOTUS-CANTON	Lotus International Company
	AS7922	COMCAST-7922	Comcast Cable Communications, LLC
	AS395234	ANESTHESIALLC	ANESTHESIA BUSINESS CONSULTANTS LLC
	AS21970	PCESYSTEMS	PCE Systems
	AS396911	DPLO-411SSFLT	Diplomat Pharmacy, Inc
	AS19224	QSGIT	Quantum Services Group, LLC.
	AS62658	WYAN-AS	City of Wyandotte
	AS400315	COLD-HEADING	Cold Heading Company
	AS19031	WESCO	CU*Answers, Inc.
	AS396224	NSF-INTERNATIONAL	NSF International
	AS14010	JACKHENRY	Jack Henry & Associates, Inc.
	AS395779	ARMINTL	ARMSTRONG INTERNATIONAL INC
	AS11115	ONLINE-TECH-LLC	Otava, LLC
	AS15099	MONROE-COUNTY-MI-PUBLIC-ASN	County of Monroe
	AS32285	HFCC	Henry Ford College
	AS39987	KISD-ORG	Kent Intermediate School District
	AS36040	YOUTUBE	Google LLC
	AS53775
	AS54946	MH105-METRO-HEALTH-HOSPITAL	Metro Health
	AS395614	COL	City of Lansing
	AS397288	MCREY	McNaughton-McKay Electric Company
	AS396332	S1-FLINT-DC	SITEONE LANDSCAPE SUPPLY, LLC
	AS32477	ONLINE-TECH-LLC2	Otava, LLC
	AS26463	MISD-NET	Macomb Intermediate School District
	AS395594	CONSUMERSENERGYCO-ASN	Consumers Energy Company
	AS19197	STEFANINI-INC	Stefanini, Inc.
	AS19047	AWS-01	Amazon.com, Inc.
	AS14257	EZ-NET	The Iserv Company, LLC
	AS26510	FTCH-HQ-ASN	Fishbeck, Thompson, Carr & Huber, Inc.
	AS397969	CL-ASN-01	Cambium Learning, Inc.
	AS23032	FCS-INDUSTRIES-01	FCS Industries
	AS14842	BAUD-AS01	Baudville, Inc.
	AS4208	THE-ISERV-COMPANY	The Iserv Company, LLC
	AS54119	WHITESKY-COMMUNICATIONS-2	WhiteSky Communications, LLC.
	AS46674	PUB-ASN	City of Grand Rapids
	AS17003	ZOETIS-INC	Zoetis Inc.
	AS36127	MCPS	Miller Canfield
	AS18727	DNPS	Detroit Newspapers
	AS33372	SPARTAN-AS	Spartan Stores Inc.
	AS53352	HFHS-ASN	Henry Ford Health System
	AS13325	STOMI	Michigan State Government
	AS393499	ONLINE-TECH-LLC3	Otava, LLC
	AS397871	COD-PUBLIC-148	City Of Detroit
	AS63102	MESSA-AS	Michigan Education Special Services Association
	AS62728	VGPE-ASN1	VELOCITY, A MANAGED SERVICES COMPANY
	AS393256	DTE-ASN	DTE Energy Company
	AS54840	UWM	United Wholesale Mortgage, LLC
	AS393663	ACUMENT	Acument Global Technologies, Inc.
	AS62611	CEC-AS-NB-4080	Cutting Edge Computers, INC.
	AS394004	HURLEY-MEDICAL-ASN	Hurley Medical Center
	AS399293	HOLASN	Hollingsworth Logistics Group LLC
	AS19277	IMAGEMASTER-01	ImageMaster LLC
	AS393376	DYNAMICEDGE	Dynamic Edge, Inc.
	AS401285	MICHIGANVIRTUAL	MICHIGAN VIRTUAL
	AS12088	NABANCARD	North American Bancard, LLC
	AS398856	WPP-DETROIT	Group M Worldwide, LLC
	AS31923	THE-AUTO-CLUB-GROUP-ASN-1	The Auto Club Group
	AS10351	ENERT	Enertron L.L.C.
	AS393941	FMS	Flying Man Studio, LLC.
	AS397367	CRANBROOK-01	Cranbrook Educational Community
	AS20090
	AS16939	CARETECH-SOLUTIONS	CARETECH SOLUTIONS INC
	AS10915	CQL-AS	CQL Incorporated
	AS394890	DEW-AS	Dewpoint Inc
	AS40262	PANTONE-AS	Pantone Inc.
	AS394573	GSFCS	GreenStone Farm Credit Services
	AS16758	RICOH USA	Ricoh USA, Inc.
	AS19880	REALCOMPII	REALCOMP II LTD.
	AS393673	JDL-AS-1	SiteOne Landscape Supply
	AS33145	ASN-BETHANYBCS	Bethany Christian Services
	AS394446	NCATS	Newaygo County Regional Educational Service Agency
	AS39945	NUSPIRE	Nuspire Communications
	AS54267	LAKE-TRUST-CREDIT-UNION-MULTIHOME-AS-0001	Lake Trust Credit Union

Country	ASN	Name	Description	IPv4
	AS7922	COMCAST-7922	Comcast Cable Communications, LLC
	AS13335	CLOUDFLARENET	Cloudflare, Inc.
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS393256	DTE-ASN	DTE Energy Company
	AS36127	MCPS	Miller Canfield
	AS11115	ONLINE-TECH-LLC	Otava, LLC
	AS32477	ONLINE-TECH-LLC2	Otava, LLC
	AS393941	FMS	Flying Man Studio, LLC.
	AS19224	QSGIT	Quantum Services Group, LLC.

IPv4 Upstreams
IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS7922	COMCAST-7922	Comcast Cable Communications, LLC
	AS3356	LEVEL3	Level 3 Parent, LLC

IPv4 Upstream Graph

Country	ASN	Name	Description	IPv4
	AS7922	COMCAST-7922	Comcast Cable Communications, LLC
	AS3356	LEVEL3	Level 3 Parent, LLC

IPv6 Upstream Graph

IPv4 Downstreams
IPv6 Downstreams

Country	ASN	Name	Description	IPv6
	AS26463	MISD-NET	Macomb Intermediate School District
	AS62658	WYAN-AS	City of Wyandotte
	AS394446	NCATS	Newaygo County Regional Educational Service Agency
	AS11115	ONLINE-TECH-LLC	Otava, LLC
	AS10351	ENERT	Enertron L.L.C.
	AS33372	SPARTAN-AS	Spartan Stores Inc.
	AS4208	THE-ISERV-COMPANY	The Iserv Company, LLC
	AS19880	REALCOMPII	REALCOMP II LTD.
	AS393941	FMS	Flying Man Studio, LLC.
	AS16939	CARETECH-SOLUTIONS	CARETECH SOLUTIONS INC
	AS393256	DTE-ASN	DTE Energy Company
	AS397288	MCREY	McNaughton-McKay Electric Company
	AS32477	ONLINE-TECH-LLC2	Otava, LLC
	AS19047	AWS-01	Amazon.com, Inc.
	AS14257	EZ-NET	The Iserv Company, LLC
	AS397367	CRANBROOK-01	Cranbrook Educational Community
	AS13325	STOMI	Michigan State Government
	AS39987	KISD-ORG	Kent Intermediate School District
	AS396224	NSF-INTERNATIONAL	NSF International
	AS14010	JACKHENRY	Jack Henry & Associates, Inc.
	AS17003	ZOETIS-INC	Zoetis Inc.
	AS23032	FCS-INDUSTRIES-01	FCS Industries
	AS36040	YOUTUBE	Google LLC
	AS53352	HFHS-ASN	Henry Ford Health System
	AS397871	COD-PUBLIC-148	City Of Detroit
	AS10915	CQL-AS	CQL Incorporated
	AS46674	PUB-ASN	City of Grand Rapids
	AS54119	WHITESKY-COMMUNICATIONS-2	WhiteSky Communications, LLC.
	AS395594	CONSUMERSENERGYCO-ASN	Consumers Energy Company
	AS398856	WPP-DETROIT	Group M Worldwide, LLC
	AS401285	MICHIGANVIRTUAL	MICHIGAN VIRTUAL
	AS15023	LOTUS-CANTON	Lotus International Company
	AS16758	RICOH USA	Ricoh USA, Inc.
	AS19224	QSGIT	Quantum Services Group, LLC.
	AS395779	ARMINTL	ARMSTRONG INTERNATIONAL INC
	AS14842	BAUD-AS01	Baudville, Inc.
	AS26510	FTCH-HQ-ASN	Fishbeck, Thompson, Carr & Huber, Inc.
	AS53775
	AS393499	ONLINE-TECH-LLC3	Otava, LLC
	AS40262	PANTONE-AS	Pantone Inc.
	AS394890	DEW-AS	Dewpoint Inc
	AS32285	HFCC	Henry Ford College
	AS396911	DPLO-411SSFLT	Diplomat Pharmacy, Inc
	AS19031	WESCO	CU*Answers, Inc.
	AS397969	CL-ASN-01	Cambium Learning, Inc.
	AS399293	HOLASN	Hollingsworth Logistics Group LLC
	AS12088	NABANCARD	North American Bancard, LLC
	AS36127	MCPS	Miller Canfield
	AS18727	DNPS	Detroit Newspapers
	AS19197	STEFANINI-INC	Stefanini, Inc.
	AS54267	LAKE-TRUST-CREDIT-UNION-MULTIHOME-AS-0001	Lake Trust Credit Union
	AS393376	DYNAMICEDGE	Dynamic Edge, Inc.
	AS393673	JDL-AS-1	SiteOne Landscape Supply
	AS395234	ANESTHESIALLC	ANESTHESIA BUSINESS CONSULTANTS LLC
	AS400315	COLD-HEADING	Cold Heading Company
	AS395614	COL	City of Lansing
	AS19277	IMAGEMASTER-01	ImageMaster LLC
	AS20090
	AS21970	PCESYSTEMS	PCE Systems
	AS31923	THE-AUTO-CLUB-GROUP-ASN-1	The Auto Club Group
	AS39945	NUSPIRE	Nuspire Communications
	AS54840	UWM	United Wholesale Mortgage, LLC
	AS54946	MH105-METRO-HEALTH-HOSPITAL	Metro Health
	AS62611	CEC-AS-NB-4080	Cutting Edge Computers, INC.
	AS62728	VGPE-ASN1	VELOCITY, A MANAGED SERVICES COMPANY
	AS393663	ACUMENT	Acument Global Technologies, Inc.
	AS396332	S1-FLINT-DC	SITEONE LANDSCAPE SUPPLY, LLC
	AS15099	MONROE-COUNTY-MI-PUBLIC-ASN	County of Monroe
	AS33145	ASN-BETHANYBCS	Bethany Christian Services
	AS63102	MESSA-AS	Michigan Education Special Services Association
	AS394004	HURLEY-MEDICAL-ASN	Hurley Medical Center
	AS394573	GSFCS	GreenStone Farm Credit Services

Country	ASN	Name	Description	IPv4
	AS11115	ONLINE-TECH-LLC	Otava, LLC
	AS393941	FMS	Flying Man Studio, LLC.
	AS393256	DTE-ASN	DTE Energy Company
	AS32477	ONLINE-TECH-LLC2	Otava, LLC
	AS36127	MCPS	Miller Canfield

#
# 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:       33668
ASName:         CMCS
ASHandle:       AS33668
RegDate:        2005-02-16
Updated:        2021-01-25    
Ref:            https://rdap.arin.net/registry/autnum/33668



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.
#

Country	IX	Name	IPv4	IPv6	Port Speed