AS Number
AS33668
AS Name
CMCS
Org Name
Comcast Cable Communications, LLC
Registry

arin

RegDate

2001-09-18

Updated

2020-11-18

AS33668 Looking Glass
IPv4Prefixes

41

IPv6Prefixes

48

IPv4 NUMs

11,264

IPv6 NUMs(/64)

3,145,728

11,264 IPv4 Addresses
CIDR Description IP Num
50.200.255.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.201.152.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.202.42.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.202.125.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.203.250.0/24
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
IRR InValid
Comcast Cable Communications, LLC 256
50.216.168.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.217.249.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.220.82.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.220.170.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.220.205.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.221.158.0/24
IRR InValid
Comcast Private Customer (C08326080) 256
50.223.155.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.226.70.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.227.241.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.228.137.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.229.7.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.231.63.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.232.15.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.233.62.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.233.114.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.236.82.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.238.250.0/24
IRR InValid
Comcast Cable Communications, LLC 256
50.239.133.0/24
IRR InValid
Comcast Cable Communications, LLC 256
107.0.213.0/24
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
192.64.18.0/24
Masco Cabinetry LLC 256
192.94.101.0/24
IRR InValid
MVP Communications Incorporated 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
204.74.200.0/22
IRR InValid
Meijer Network Technologies 1024
206.201.156.0/24
IRR InValid
Genesee County 256
206.201.158.0/24
IRR InValid
Genesee County 256
208.80.60.0/24
IRR InValid
Enertron L.L.C. 256
208.80.61.0/24
IRR InValid
Enertron L.L.C. 256
208.80.62.0/24
IRR InValid
Enertron L.L.C. 256
208.80.63.0/24
IRR InValid
Enertron L.L.C. 256
CIDR Description IP NUMs(prefix /64)
2001:559:41::/48
ROA Signed and Valid 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
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
2001:559:2e7::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:33d::/48
ROA Signed and Valid 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
2001:559:450::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:451::/48
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
2001:559:791::/48
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
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:815e::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:817a::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:817b::/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
2001:559:81ed::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:82b1::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:82bd::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:82d7::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:82f4::/48
ROA Signed and Valid 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
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:8441::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:8473::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:84c0::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:84fb::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:8567::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:860e::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:86b7::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:8709::/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:c134::/48
ROA Signed and Valid 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
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:c1b4::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:c236::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:c26c::/48
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:c3eb::/48
ROA Signed and Valid 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
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 29,817,544 73,033,783,296 IPv4 IPv4 IPv6 IPv6
AS7922 COMCAST-7922 - Comcast Cable Communications, LLC, US United States 71,386,368 36,318,243,520,512 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS39945 NUSPIRE - Nuspire Communications, US United States 1,024 0 IPv4 IPv4
AS46319 AAM-ASN1 - American Axle and Manufacturing, Inc., US United States 256 0 IPv4 IPv4
AS54119 WHITESKY-COMMUNICATIONS-2 - WhiteSky Communications, LLC., US United States 26,880 0 IPv4 IPv4
AS396224 NSF-INTERNATIONAL - NSF International, US United States 512 0 IPv4 IPv4
AS397288 MCREY - McNaughton-McKay Electric Company, US United States 1,024 0 IPv4 IPv4
AS398856 WPP-DETROIT - Group M Worldwide, LLC, US United States 256 0 IPv4 IPv4
AS13683 AUTO-WARES-ASN - Auto-Wares Inc, US United States 256 0 IPv4 IPv4
AS395779 ARMINTL - ARMSTRONG INTERNATIONAL INC, US United States 256 0 IPv4 IPv4
AS32285 HFCC - Henry Ford College, US United States 256 0 IPv4 IPv4
AS62611 CEC-AS-NB-4080 - Cutting Edge Computers, INC., US United States 1,536 4,295,032,832 IPv4 IPv4
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
AS395614 COL - City of Lansing, US United States 256 0 IPv4 IPv4
AS22609 ITAPE - Intertape Polymer Corp, US United States 512 0 IPv4 IPv4
AS15133 EDGECAST - Edgecast Inc., US United States 136,192 33,030,144 IPv4 IPv4 IPv6 IPv6
AS19047 AWS-01 - Amazon.com, Inc., US United States 7,680 262,144 IPv4 IPv4
AS19880 REALCOMPII - REALCOMP II LTD., US United States 1,536 0 IPv4 IPv4
AS20052 ARBOR - Arbor Networks, Inc., US United States 3,328 65,536 IPv4 IPv4 IPv6 IPv6
AS62728 VGPE-ASN1 - VELOCITY, A MANAGED SERVICES COMPANY, US United States 6,400 0 IPv4 IPv4
AS395594 CONSUMERSENERGYCO-ASN - Consumers Energy Company, US United States 1,024 0 IPv4 IPv4
AS15023 LOTUS-CANTON - Lotus International Company, US United States 256 0 IPv4 IPv4
AS17044 IPGAGENCY - THE INTERPUBLIC GROUP OF COMPANIES, INC., US United States 2,304 0 IPv4 IPv4
AS62658 WYAN-AS - City of Wyandotte, US United States 9,984 0 IPv4 IPv4
AS394976 ABACUS - Abacus Data Systems, Inc., US United States 6,144 393,216 IPv4 IPv4 IPv6 IPv6
AS16939 CARETECH-SOLUTIONS - CARETECH SOLUTIONS INC, US United States 2,048 0 IPv4 IPv4
AS31923 THE-AUTO-CLUB-GROUP-ASN-1 - AAA of Michigan, US United States 9,216 0 IPv4 IPv4
AS46620 WBH-ISC-RO - William Beaumont Hospital, US United States 65,536 0 IPv4 IPv4
AS54946 MH105-METRO-HEALTH-HOSPITAL - Metro Health, US United States 256 0 IPv4 IPv4
AS393376 DYNAMICEDGE - Dynamic Edge, Inc., US United States 512 0 IPv4 IPv4
AS394446 NCATS - Newaygo County Regional Educational Service Agency, US United States 5,376 0 IPv4 IPv4
AS395234 ANESTHESIALLC - ANESTHESIA BUSINESS CONSULTANTS LLC, US United States 256 0 IPv4 IPv4
AS26696 GIFT-OF-LIFE-MICHIGAN - GIFT OF LIFE MICHIGAN, US United States 256 0 IPv4 IPv4
AS397816 MISIGNAL, US United States 512 0 IPv4 IPv4
AS18529 PLEXUSSYSTEMS - Plexus Systems Inc., US United States 256 0 IPv4 IPv4
AS19131 LIVESS-01 - Living Essentials, LLC, US United States 512 0 IPv4 IPv4
AS33372 SPARTAN-AS - Spartan Stores Inc., US United States 4,096 0 IPv4 IPv4
AS36525 ALLEGIANCE-HEALTH - ALLEGIANCE HEALTH SERVICES, US United States 512 0 IPv4 IPv4
AS53337 SRGGI-01 - SRG Global, Inc., US United States 256 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
AS14175 HAWORTH, US United States 256 0 IPv4 IPv4
AS397085 SIGUS - Signal Restoration Services, US United States 768 16,777,216 IPv4 IPv4
AS33145 ASN-BETHANYBCS - Bethany Christian Services, US United States 256 0 IPv4 IPv4
AS36127 MCPS - Miller Canfield, US United States 256 65,536 IPv4 IPv4 IPv6 IPv6
AS393256 DTE-ASN - DTE Energy Company, US United States 33,792 0 IPv4 IPv4
AS397934 AAILLC-1 - Argo AI, US United States 1,792 0 IPv4 IPv4
AS399293 HOLASN - Hollingsworth Logistics Group LLC, US United States 512 0 IPv4 IPv4
AS15099 MONROE-COUNTY-MI-PUBLIC-ASN - County of Monroe, US United States 256 0 IPv4 IPv4
AS21970 PCESYSTEMS - PCE Systems, US United States 512 0 IPv4 IPv4
AS396911 DPLO-411SSFLT - Diplomat Pharmacy, Inc, US United States 256 0 IPv4 IPv4
AS397367 CRANBROOK-01 - Cranbrook Educational Community, US United States 1,536 0 IPv4 IPv4
AS400336 TROYDC1 - Autodata Solutions Company, CA Canada 256 0 IPv4 IPv4
AS13325 STOMI - Michigan State Government, US United States 508,160 0 IPv4 IPv4
AS396332 S1-FLINT-DC - SITEONE LANDSCAPE SUPPLY, LLC, US United States 256 0 IPv4 IPv4
AS397461 DURA-DHQ01 - Dura Automotive Systems LLC, US United States 256 0 IPv4 IPv4
AS14010 JACKHENRY - Jack Henry & Associates, Inc., US United States 18,432 0 IPv4 IPv4
AS40262 PANTONE-AS - Pantone Inc., US United States 1,024 0 IPv4 IPv4
AS19031 WESCO - CU*Answers, Inc., US United States 2,560 0 IPv4 IPv4
AS26463 MISD-NET - Macomb Intermediate School District, US United States 32,768 0 IPv4 IPv4
AS393416 STILES - Stiles Machinery Inc, US United States 256 0 IPv4 IPv4
AS393663 ACUMENT - Acument Global Technologies, Inc., US United States 512 0 IPv4 IPv4
AS12113 DAWN-FOOD-PRODUCTS - Dawn Food Products, Inc., US United States 512 0 IPv4 IPv4
AS11115 ONLINE-TECH-LLC - Online Tech, LLC, US United States 9,472 268,435,456 IPv4 IPv4 IPv6 IPv6
AS14787 ASN1GUARD23ATTWINSTAR - Guardian Industries Corp, US United States 1,024 0 IPv4 IPv4
AS19277 IMAGEMASTER-01 - ImageMaster LLC, US United States 256 0 IPv4 IPv4
AS26510 FTCH-HQ-ASN - Fishbeck, Thompson, Carr & Huber, Inc., US United States 256 0 IPv4 IPv4
AS32477 ONLINE-TECH-LLC2 - Online Tech, LLC, US United States 9,216 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS53352 HFHS-ASN - Henry Ford Health System, US United States 65,536 0 IPv4 IPv4
AS397871 COD-PUBLIC-148 - City Of Detroit, US United States 256 0 IPv4 IPv4
AS10915 CQL-AS - CQL Incorporated, US United States 1,024 0 IPv4 IPv4
AS23032 FCS-INDUSTRIES-01 - FCS Industries, US United States 256 0 IPv4 IPv4
AS54840 UWM - United Wholesale Mortgage, LLC, US United States 1,024 0 IPv4 IPv4
AS63102 MESSA-AS - Michigan Education Special Services Association, US United States 65,536 0 IPv4 IPv4
AS12088 NABANCARD - North American Bancard, LLC, US United States 256 0 IPv4 IPv4
AS14257 EZ-NET - The Iserv Company, LLC, US United States 512 0 IPv4 IPv4
AS20940 AKAMAI-ASN1 - Akamai International B.V., NL Netherlands 13,792,672 1,142,462,416,384 IPv4 IPv4 IPv6 IPv6
AS54542 K-DATA01 - K-Data Systems, LLC, US United States 1,024 0 IPv4 IPv4
AS393499 ONLINE-TECH-LLC3 - Online Tech, LLC, US United States 1,024 0 IPv4 IPv4
AS394573 GSFCS - GreenStone Farm Credit Services, US United States 256 0 IPv4 IPv4
AS394890 DEW-AS - Dewpoint Inc, US United States 256 0 IPv4 IPv4
AS398953 ABC-WAREHOUSE - ABC Warehouse, US United States 256 0 IPv4 IPv4
AS4208 THE-ISERV-COMPANY - The Iserv Company, LLC, US United States 32,256 0 IPv4 IPv4
AS19224 QSGIT - QUANTUM DATA CENTERS, US United States 5,120 0 IPv4 IPv4
AS32549 JCISD-1 - Jackson County Intermediate School District, US United States 768 0 IPv4 IPv4
AS54267 LAKE-TRUST-CREDIT-UNION-MULTIHOME-AS-0001 - Lake Trust Credit Union, US United States 256 0 IPv4 IPv4
AS18727 DNPS - Detroit Newspapers, US United States 256 0 IPv4 IPv4
IP Address Domain NUMs Domains
50.200.255.123 5 g906.net
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


OrgRoutingHandle: ROUTI25-ARIN
OrgRoutingName:   Routing
OrgRoutingPhone:  +1-555-555-5555 
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:  +1-555-555-5555 
OrgTechEmail:  CNIPEO-Ip-registration@cable.comcast.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IC161-ARIN