AS33660 Comcast Cable Communications, LLC

CMCS

IPv4 Addresses: 3,072

Number of Peers: 75

Number of Prefixes: 77

ASN Allocated: Assigned

ASN
Prefixes
Peers
Upstreams
Downstreams
Graphs
World Map
Raw Whois

AS33660 Summary

Regional Registry:

IANA

Allocation Status:

Assigned

Traffic Ratio:

Not Disclosed

AS33660 Network

IPv4 Prefixes:

12

IPv4 Peers:

67

IPv4 Upstreams:

2

IPv6 Prefixes:

65

IPv6 Peers:

8

IPv6 Upstreams:

1

Contacts

Email Contacts:

routing@comcast.com

abuse@comcast.net

cnipeo-ip-registration@cable.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
	50.204.89.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.207.68.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.217.32.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.222.146.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.222.157.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.224.25.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.224.26.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.227.51.0/24	Comcast Cable Communications, LLC		50.128.0.0/9	ARIN
	50.237.123.0/24	Comcast Cable Communications, LLC		47.88.0.0/14	ARIN
	129.134.166.0/24	Facebook, Inc.		129.134.0.0/16	ARIN
	129.134.167.0/24	Facebook, Inc.		129.134.0.0/16	ARIN
	192.16.177.0/24	F J Management Inc.		192.16.177.0/24	ARIN

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2001:559:29::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:fa::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:fb::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:20a::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:26c::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:297::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:2a3::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:2de::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:2e4::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:31a::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:37f::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:3b2::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:3b3::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:3c4::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:41a::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:4a7::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:4a9::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:521::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:57f::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:58c::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:5d8::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:808a::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:8092::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:80f9::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:8127::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:8137::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:8193::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:821b::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:8282::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:828d::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:82d4::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:82e8::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:82fe::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:831b::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:8329::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:83a6::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:8443::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:8450::/48			-
	2001:559:8460::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:8484::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:8485::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:84a0::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:84a2::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:85e0::/48			-
	2001:559:8683::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:86b6::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:8782::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:c0ef::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c154::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c16d::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c171::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c173::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c1ef::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c285::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c28a::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c2c0::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c2e6::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c33f::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c348::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c376::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c3f5::/48	Comcast Cable Communications, LLC		2001:558::/31	ARIN
	2001:559:c493::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2001:559:c54c::/48	Comcast Cable Communications, LLC		2001:558::/29	ARIN
	2a03:2887:ff46::/48	Facebook Ireland Ltd		2a03:2880::/29	RIPE
	2a03:2887:ff47::/48	Facebook Ireland Ltd		2a03:2880::/29	RIPE

IPv4 Peers
IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS14149	ICONFITNESS-MAIN	Icon Health & Fitness Inc
	AS23389	CAMPBELL-SCIENTIFIC	Campbell Scientific, Inc.
	AS400179	PDQCOM	PDQ.com Corporation
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS7922	COMCAST-7922	Comcast Cable Communications, LLC
	AS30639	CMCFLEX	Computer Marketing Corporation
	AS210	WEST-NET-WEST	Utah Education Network
	AS13335	CLOUDFLARENET	Cloudflare, Inc.
	AS10786	CHARTWAY-FCU	Chartway Federal Credit Union
	AS40644	IFS	Integra Financial Services, LLC
	AS32602	CORP-HDQTRS	ROI Solutions, LLC
	AS17150	AFCU	America First Credit Union
	AS46367	URSAS	UTAH RETIREMENT SYSTEMS
	AS35977	QPASS-1	Amdocs Inc.
	AS54308	RETOUCHUP	RETOUCHUP.COM
	AS16785	USANA-INC	USANA Inc
	AS29864	SPORTSMANS-WAREHOUSE	Sportsman's Warehouse, Inc.
	AS53882	COMMUNITECT	Communitect, Inc
	AS397612	ANX	ARCHITECTURAL NEXUS, INC
	AS400284	LTP-USDC-FO-01	Lifetime Products, Inc.
	AS394662	UFAASNUM	Unified Fire Authority
	AS393459	DOMOINC772	Domo, Inc.
	AS27178	HSPS-HQ	Practice Management Technologies and Services
	AS26740	LIFEWAVE-ORG-1	LifeWave, Inc.
	AS17206	MOUNTAIN-AMERICA	Mountain America Credit Union
	AS399965	UTAH-JAZZ	Jazz Basketball Investors LLC
	AS33173	MYGN-US	Myriad Genetics Incorporated
	AS398374	NSL-ASN	Pro-Mark, LLC
	AS29919	29919	SELECT PORTFOLIO SERVICING INC
	AS393917	CVE	Cache Valley Electric Company
	AS395344	IVANTI-BD	Ivanti, Inc.
	AS19831	STAMPIN	StampinUp
	AS395994	VECC911	VECC
	AS11396	TWC-ASN	Williams Information Technology LLC
	AS399421	EMI-HEALTH	EDUCATORS MUTUAL INSURANCE ASSOCIATION
	AS399885	EVANS-SUTHERLAND-ASN	Evans & Sutherland Computer Corporation
	AS11052	IHC-NET	Intermountain Health Care, Inc.
	AS23154	SANMINA-SCI	Sanmina-SCI Corporation
	AS29960	QUALTRICS-01	Qualtrics LLC
	AS21529	NOVVA	NOVVA INC
	AS25655	OSTK-COM	Overstock.com
	AS396033	BFDX515	BioFire Diagnostics, LLC
	AS55251	TAXHAWK-AS	TaxHawk, Inc.
	AS394185	BOU-BANCORP	Bank of Utah
	AS29298	SUSE	SUSE Software Solutions Germany GmbH
	AS393557	PCMC	Park City Municipal Corporation
	AS19648	LDSCHURCH1	Corporation of the Presiding Bishop of the Church of Jesus Christ of Latter-day Saints
	AS32230	PRESTIGEFINANCIAL1420	Prestige Financial Services
	AS393940	ULTRADENT-PRODUCTS	Ultradent Products Inc
	AS393908	INTEGRACORE	VISIBLE SUPPLY CHAIN MANAGEMENT, LLC
	AS11791	SLC-IDENT-AS	IdenTrust
	AS393546	ARUP	ARUP LABORATORIES
	AS27625	UBNT-AS	Ubiquiti Networks, Inc.
	AS13610	PROVOCRAFT-NOVELTY	Provo Craft & Novelty, Inc.
	AS55018	PRIME	Prime Holdings Insurance Services Inc
	AS393541	ESS-CORP	EXTRA SPACE STORAGE
	AS19477	FLYINGJ	F J Management Inc.
	AS11688	LTSTREAM	Lightstream Communications, Inc.
	AS54629	AFSTORES-AS	Associated Food Stores, Inc.
	AS14950	LHM-GROUP	Larry H. Miller Dealerships
	AS398957	WKUS-01	Wolters Kluwer
	AS27480	MTC-CORP	Management & Training Corporation
	AS14034	SWIRE-COCA-COLA-USA-DRAPER-REDUNDANT-ACCESS	Swire Pacific Holdings Inc.
	AS20229	MERRICK-AS	Merrick Bank
	AS397157
	AS10444	ZB NATIONAL ASSOCIATION	ZB, National Association
	AS63169	BMA	BMA MANAGEMENT SUPPORT CORPORATION

Country	ASN	Name	Description	IPv4
	AS7922	COMCAST-7922	Comcast Cable Communications, LLC
	AS13335	CLOUDFLARENET	Cloudflare, Inc.
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS19648	LDSCHURCH1	Corporation of the Presiding Bishop of the Church of Jesus Christ of Latter-day Saints
	AS21529	NOVVA	NOVVA INC
	AS27625	UBNT-AS	Ubiquiti Networks, Inc.
	AS394662	UFAASNUM	Unified Fire Authority
	AS29298	SUSE	SUSE Software Solutions Germany GmbH

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

IPv6 Upstream Graph

IPv4 Downstreams
IPv6 Downstreams

Country	ASN	Name	Description	IPv6
	AS19477	FLYINGJ	F J Management Inc.
	AS19648	LDSCHURCH1	Corporation of the Presiding Bishop of the Church of Jesus Christ of Latter-day Saints
	AS210	WEST-NET-WEST	Utah Education Network
	AS395344	IVANTI-BD	Ivanti, Inc.
	AS27178	HSPS-HQ	Practice Management Technologies and Services
	AS16785	USANA-INC	USANA Inc
	AS33173	MYGN-US	Myriad Genetics Incorporated
	AS54629	AFSTORES-AS	Associated Food Stores, Inc.
	AS23389	CAMPBELL-SCIENTIFIC	Campbell Scientific, Inc.
	AS11052	IHC-NET	Intermountain Health Care, Inc.
	AS11396	TWC-ASN	Williams Information Technology LLC
	AS54308	RETOUCHUP	RETOUCHUP.COM
	AS55251	TAXHAWK-AS	TaxHawk, Inc.
	AS394185	BOU-BANCORP	Bank of Utah
	AS398957	WKUS-01	Wolters Kluwer
	AS10786	CHARTWAY-FCU	Chartway Federal Credit Union
	AS32230	PRESTIGEFINANCIAL1420	Prestige Financial Services
	AS35977	QPASS-1	Amdocs Inc.
	AS40644	IFS	Integra Financial Services, LLC
	AS393541	ESS-CORP	EXTRA SPACE STORAGE
	AS397612	ANX	ARCHITECTURAL NEXUS, INC
	AS23154	SANMINA-SCI	Sanmina-SCI Corporation
	AS394662	UFAASNUM	Unified Fire Authority
	AS399421	EMI-HEALTH	EDUCATORS MUTUAL INSURANCE ASSOCIATION
	AS17150	AFCU	America First Credit Union
	AS400284	LTP-USDC-FO-01	Lifetime Products, Inc.
	AS29298	SUSE	SUSE Software Solutions Germany GmbH
	AS53882	COMMUNITECT	Communitect, Inc
	AS395994	VECC911	VECC
	AS398374	NSL-ASN	Pro-Mark, LLC
	AS393908	INTEGRACORE	VISIBLE SUPPLY CHAIN MANAGEMENT, LLC
	AS29960	QUALTRICS-01	Qualtrics LLC
	AS32602	CORP-HDQTRS	ROI Solutions, LLC
	AS393940	ULTRADENT-PRODUCTS	Ultradent Products Inc
	AS14149	ICONFITNESS-MAIN	Icon Health & Fitness Inc
	AS17206	MOUNTAIN-AMERICA	Mountain America Credit Union
	AS27625	UBNT-AS	Ubiquiti Networks, Inc.
	AS11791	SLC-IDENT-AS	IdenTrust
	AS13335	CLOUDFLARENET	Cloudflare, Inc.
	AS13610	PROVOCRAFT-NOVELTY	Provo Craft & Novelty, Inc.
	AS20229	MERRICK-AS	Merrick Bank
	AS29864	SPORTSMANS-WAREHOUSE	Sportsman's Warehouse, Inc.
	AS30639	CMCFLEX	Computer Marketing Corporation
	AS393917	CVE	Cache Valley Electric Company
	AS396033	BFDX515	BioFire Diagnostics, LLC
	AS399965	UTAH-JAZZ	Jazz Basketball Investors LLC
	AS10444	ZB NATIONAL ASSOCIATION	ZB, National Association
	AS11688	LTSTREAM	Lightstream Communications, Inc.
	AS14034	SWIRE-COCA-COLA-USA-DRAPER-REDUNDANT-ACCESS	Swire Pacific Holdings Inc.
	AS14950	LHM-GROUP	Larry H. Miller Dealerships
	AS19831	STAMPIN	StampinUp
	AS21529	NOVVA	NOVVA INC
	AS25655	OSTK-COM	Overstock.com
	AS26740	LIFEWAVE-ORG-1	LifeWave, Inc.
	AS27480	MTC-CORP	Management & Training Corporation
	AS29919	29919	SELECT PORTFOLIO SERVICING INC
	AS46367	URSAS	UTAH RETIREMENT SYSTEMS
	AS55018	PRIME	Prime Holdings Insurance Services Inc
	AS63169	BMA	BMA MANAGEMENT SUPPORT CORPORATION
	AS393459	DOMOINC772	Domo, Inc.
	AS393546	ARUP	ARUP LABORATORIES
	AS393557	PCMC	Park City Municipal Corporation
	AS397157
	AS399885	EVANS-SUTHERLAND-ASN	Evans & Sutherland Computer Corporation
	AS400179	PDQCOM	PDQ.com Corporation

Country	ASN	Name	Description	IPv4
	AS19648	LDSCHURCH1	Corporation of the Presiding Bishop of the Church of Jesus Christ of Latter-day Saints
	AS394662	UFAASNUM	Unified Fire Authority
	AS29298	SUSE	SUSE Software Solutions Germany GmbH
	AS27625	UBNT-AS	Ubiquiti Networks, Inc.

#
# 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:       33660
ASName:         CMCS
ASHandle:       AS33660
RegDate:        2005-02-16
Updated:        2021-01-25    
Ref:            https://rdap.arin.net/registry/autnum/33660



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

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


#
# 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