AS Number
AS33668
AS Name
CMCS
Org Name
Comcast Cable Communications, LLC
Country / Region
United States
Registry

arin

RegDate

2001-09-18

Updated

2020-11-18

AS33668 Looking Glass
IPv4Prefixes

29

IPv6Prefixes

54

IPv4 NUMs

7,424

IPv6 NUMs(/64)

3,538,944

7,424 IPv4 Addresses
CIDR Description IP Num
50.202.125.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.203.250.0/24
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 256
50.204.170.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.206.127.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.207.92.0/24
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 256
50.216.168.0/24
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 256
50.217.249.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.220.170.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.221.158.0/24
IRR InValid
Comcast Private Customer (C08326080) 256
50.223.155.0/24
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 256
50.226.70.0/24
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 256
50.227.241.0/24
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 256
50.228.137.0/24
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 256
50.229.7.0/24
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 256
50.232.15.0/24
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 256
50.233.62.0/24
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 256
50.233.114.0/24
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 256
50.236.82.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.238.250.0/24
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 256
50.239.133.0/24
IRR InValid
Comcast Cable Communications, LLC 256
107.0.213.0/24
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 256
157.240.130.0/24
IRR Valid
Facebook, Inc. 256
157.240.135.0/24
IRR Valid
Facebook, Inc. 256
192.88.105.0/24
CONTINENTAL AUTOMOTIVE SYSTEMS, INC 256
192.138.205.0/24
IRR InValid
Genessee District Library 256
198.180.251.0/24
MSX International 256
198.199.172.0/24
IRR InValid
Grand Rapids Public Schools 256
206.201.156.0/24
IRR InValid
Genesee County 256
206.201.158.0/24
IRR InValid
Genesee County 256
CIDR Description IP NUMs(prefix /64)
2001:559:41::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:f2::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:15c::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:1ef::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:248::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:254::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:25d::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:261::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:318::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:33d::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:365::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:391::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:3ce::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:3d9::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:5c5::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:5c8::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:7e7::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:809e::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:80a3::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:80ac::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:815e::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:817a::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:817b::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:819d::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:81d4::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:82d7::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:82f7::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:83e5::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:8441::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:8473::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:847f::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:84c0::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:84db::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:84fb::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:8567::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:85fa::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:85fb::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:860e::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:86b7::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:86cd::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:8709::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:8752::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:8774::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:c150::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:c1a3::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:c1b4::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:c3aa::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:c3c5::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:c3e2::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:c3eb::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:c45a::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:c500::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:c539::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:c568::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 29,850,624 77,330,644,992 IPv4 IPv4 IPv6 IPv6
AS7922 COMCAST-7922 - Comcast Cable Communications, LLC, US United States 70,110,720 36,318,243,520,512 IPv4 IPv4 IPv6 IPv6
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS23032 FCS-INDUSTRIES-01 - FCS Industries, US United States 256 0 IPv4 IPv4
AS31923 THE-AUTO-CLUB-GROUP-ASN-1 - The Auto Club Group, US United States 9,728 0 IPv4 IPv4
AS396911 DPLO-411SSFLT - Diplomat Pharmacy, Inc, US United States 256 0 IPv4 IPv4
AS4208 THE-ISERV-COMPANY - The Iserv Company, LLC, US United States 32,256 0 IPv4 IPv4
AS19031 WESCO - CU*Answers, Inc., US United States 2,560 0 IPv4 IPv4
AS10351 ENERT - Enertron L.L.C., US United States 1,024 0 IPv4 IPv4
AS53352 HFHS-ASN - Henry Ford Health System, US United States 3,328 0 IPv4 IPv4
AS13335 CLOUDFLARENET - Cloudflare, Inc., US United States 1,725,696 43,952,701,440 IPv6 IPv6
AS19224 QSGIT - Quantum Services Group, LLC., US United States 8,704 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS13325 STOMI - Michigan State Government, US United States 508,160 0 IPv4 IPv4
AS16758 RICOH USA - Ricoh USA, Inc., US United States 7,680 0 IPv4 IPv4
AS36040 YOUTUBE - Google LLC, US United States 7,680 1,179,648 IPv4 IPv4
AS40262 PANTONE-AS - Pantone Inc., US United States 1,024 0 IPv4 IPv4
AS394502 CTG - Century Technology Group, Inc., US United States 256 0 IPv4 IPv4
AS395981 PENSKE-CORPORATE - Penske System Inc, US United States 256 0 IPv4 IPv4
AS10915 CQL-AS - CQL Incorporated, US United States 1,024 0 IPv4 IPv4
AS53337 SRGGI-01 - SRG Global, Inc., US United States 256 0 IPv4 IPv4
AS63102 MESSA-AS - Michigan Education Special Services Association, US United States 65,536 0 IPv4 IPv4
AS393256 DTE-ASN - DTE Energy Company, US United States 34,304 262,144 IPv4 IPv4 IPv6 IPv6
AS393941 FMS - Flying Man Studio, LLC., US United States 256 262,144 IPv4 IPv4 IPv6 IPv6
AS22609 ITAPE - Intertape Polymer Corp, US United States 256 0 IPv4 IPv4
AS17003 ZOETIS-INC - Zoetis Inc., US United States 4,096 0 IPv4 IPv4
AS62611 CEC-AS-NB-4080 - Cutting Edge Computers, INC., US United States 1,536 4,295,032,832 IPv4 IPv4
AS394446 NCATS - Newaygo County Regional Educational Service Agency, US United States 5,376 0 IPv4 IPv4
AS399293 HOLASN - Hollingsworth Logistics Group LLC, US United States 512 0 IPv4 IPv4
AS16939 CARETECH-SOLUTIONS - CARETECH SOLUTIONS INC, US United States 2,048 0 IPv4 IPv4
AS14257 EZ-NET - The Iserv Company, LLC, US United States 512 0 IPv4 IPv4
AS19197 STEFANINI-INC - Stefanini, Inc., US United States 4,352 0 IPv4 IPv4
AS26510 FTCH-HQ-ASN - Fishbeck, Thompson, Carr & Huber, Inc., US United States 256 0 IPv4 IPv4
AS394573 GSFCS - GreenStone Farm Credit Services, US United States 256 0 IPv4 IPv4
AS396224 NSF-INTERNATIONAL - NSF International, US United States 512 0 IPv4 IPv4
AS396332 S1-FLINT-DC - SITEONE LANDSCAPE SUPPLY, LLC, US United States 256 0 IPv4 IPv4
AS12088 NABANCARD - North American Bancard, LLC, US United States 256 0 IPv4 IPv4
AS18727 DNPS - Detroit Newspapers, US United States 256 0 IPv4 IPv4
AS32477 ONLINE-TECH-LLC2 - Otava, LLC, US United States 9,216 268,435,456 IPv4 IPv4 IPv6 IPv6
AS46319 AAM-ASN1 - American Axle and Manufacturing, Inc., US United States 256 0 IPv4 IPv4
AS62658 WYAN-AS - City of Wyandotte, US United States 13,056 0 IPv4 IPv4
AS397934 AAILLC-1 - Latitude AI LLC, US United States 1,536 0 IPv4 IPv4
AS401285 MICHIGANVIRTUAL - MICHIGAN VIRTUAL, US United States 256 0 IPv4 IPv4
AS14842 BAUD-AS01 - Baudville, Inc., US United States 256 0 IPv4 IPv4
AS13683 AUTO-WARES-ASN - Auto-Wares Inc, US United States 256 0 IPv4 IPv4
AS19880 REALCOMPII - REALCOMP II LTD., US United States 1,536 0 IPv4 IPv4
AS54840 UWM - United Wholesale Mortgage, LLC, US United States 1,536 0 IPv4 IPv4
AS393663 ACUMENT - Acument Global Technologies, Inc., US United States 512 0 IPv4 IPv4
AS395234 ANESTHESIALLC - ANESTHESIA BUSINESS CONSULTANTS LLC, US United States 256 0 IPv4 IPv4
AS395779 ARMINTL - ARMSTRONG INTERNATIONAL INC, US United States 256 0 IPv4 IPv4
AS397367 CRANBROOK-01 - Cranbrook Educational Community, US United States 1,536 0 IPv4 IPv4
AS1438 PIONEER-STATE-MUTUAL-INSURANCE - PIONEER STATE MUTUAL INSURANCE CO., US United States 512 0 IPv4 IPv4
AS39945 NUSPIRE - Nuspire Communications, US United States 1,280 0 IPv4 IPv4
AS54119 WHITESKY-COMMUNICATIONS-2 - WhiteSky Communications, LLC., US United States 21,248 0 IPv4 IPv4
AS54946 MH105-METRO-HEALTH-HOSPITAL - Metro Health, US United States 256 0 IPv4 IPv4
AS393499 ONLINE-TECH-LLC3 - Otava, LLC, US United States 1,024 0 IPv4 IPv4
AS397969 CL-ASN-01 - Cambium Learning, Inc., US United States 1,024 0 IPv4 IPv4
AS19277 IMAGEMASTER-01 - ImageMaster LLC, US United States 256 0 IPv4 IPv4
AS14010 JACKHENRY - Jack Henry & Associates, Inc., US United States 18,432 0 IPv4 IPv4
AS19047 AWS-01 - Amazon.com, Inc., US United States 6,656 0 IPv4 IPv4
AS20090 FREMONT-INS - Fremont Insurance Company, US United States 512 0 IPv4 IPv4
AS39987 KISD-ORG - Kent Intermediate School District, US United States 2,560 0 IPv4 IPv4
AS62728 VGPE-ASN1 - VELOCITY, A MANAGED SERVICES COMPANY, US United States 18,688 0 IPv4 IPv4
AS395594 CONSUMERSENERGYCO-ASN - Consumers Energy Company, US United States 1,024 0 IPv4 IPv4
AS395614 COL - City of Lansing, US United States 256 0 IPv4 IPv4
AS11115 ONLINE-TECH-LLC - Otava, LLC, US United States 9,728 268,435,456 IPv4 IPv4 IPv6 IPv6
AS54267 LAKE-TRUST-CREDIT-UNION-MULTIHOME-AS-0001 - Lake Trust Credit Union, US United States 256 0 IPv4 IPv4
AS397288 MCREY - McNaughton-McKay Electric Company, US United States 1,024 0 IPv4 IPv4
AS397871 COD-PUBLIC-148 - City Of Detroit, US United States 256 0 IPv4 IPv4
AS398856 WPP-DETROIT - Group M Worldwide, LLC, US United States 256 0 IPv4 IPv4
AS15099 MONROE-COUNTY-MI-PUBLIC-ASN - County of Monroe, US United States 256 0 IPv4 IPv4
AS393376 DYNAMICEDGE - Dynamic Edge, Inc., US United States 512 0 IPv4 IPv4
AS394890 DEW-AS - Dewpoint Inc, US United States 256 0 IPv4 IPv4
AS13428 SURFAIRWIRELESS-IN-02 - Surf Air Wireless, LLC, US United States 121,600 4,563,402,752 IPv4 IPv4
AS26463 MISD-NET - Macomb Intermediate School District, US United States 32,768 0 IPv4 IPv4
AS33145 ASN-BETHANYBCS - Bethany Christian Services, US United States 256 0 IPv4 IPv4
AS33372 SPARTAN-AS - Spartan Stores Inc., US United States 4,096 0 IPv4 IPv4
AS400315 COLD-HEADING - Cold Heading Company, US United States 256 0 IPv4 IPv4
AS21970 PCESYSTEMS - PCE Systems, US United States 512 0 IPv4 IPv4
AS32285 HFCC - Henry Ford College, US United States 256 0 IPv4 IPv4
AS36127 MCPS - Miller Canfield, US United States 256 65,536 IPv4 IPv4 IPv6 IPv6
AS393673 JDL-AS-1 - SiteOne Landscape Supply, US United States 256 0 IPv4 IPv4
AS394004 HURLEY-MEDICAL-ASN - Hurley Medical Center, US United States 256 0 IPv4 IPv4
AS15023 LOTUS-CANTON - Lotus International Company, US United States 256 0 IPv4 IPv4
IP Address Domain NUMs Domains
50.204.170.101 2 jhc.com
50.204.170.104 3 ca.en.thehomedepot.jhc.com
50.204.170.106 2 mps4digital.com
50.204.170.115 4 ourpreferredvarieties.com
50.204.170.122 4 email.ln.multipkg.com
50.204.170.205 1 rps.chesapeakecorp.com
50.204.170.253 3 hdonlineordering.multipkg.com
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