AS Name
CMCS
Org Name
Comcast Cable Communications, LLC
Registry Region
United States
Looking Glass
IPv4Prefixes

23

IPv6Prefixes

92

IPv4 NUMs

74,240

IPv6 NUMs(/64)

6,094,848

74,240 IPv4 Addresses
CIDR Description IP Num
50.203.161.0/24 Comcast Cable Communications, LLC 256
50.204.89.0/24 Comcast Cable Communications, LLC 256
50.206.135.0/24 Comcast Cable Communications, LLC 256
50.207.68.0/24 Comcast Cable Communications, LLC 256
50.222.146.0/24 Comcast Cable Communications, LLC 256
50.224.25.0/24 Comcast Cable Communications, LLC 256
50.224.26.0/24 Comcast Cable Communications, LLC 256
50.227.51.0/24 Comcast Cable Communications, LLC 256
50.234.186.0/24 Comcast Cable Communications, LLC 256
50.235.14.0/24 Comcast Cable Communications, LLC 256
50.237.123.0/24 Comcast Cable Communications, LLC 256
50.238.157.0/24 Comcast Cable Communications, LLC 256
69.55.80.0/21 Sinclair Broadcast Group 2048
96.114.142.0/24 Comcast Cable Communications, LLC 256
96.119.24.0/22 Comcast IP Services, L.L.C. (C02710155) 1024
96.119.28.0/22 Comcast IP Services, L.L.C. (C02710155) 1024
107.0.221.0/24 Comcast Cable Communications, LLC 256
107.1.67.0/24 Comcast Cable Communications, LLC 256
107.1.111.0/24 SINCLAIR SERVICES COMPANY (C02945084) 256
107.1.130.0/24 SINCLAIR SERVICES COMPANY (C02945086) 256
130.187.0.0/24 Evans & Sutherland Computer Division 256
130.187.0.0/16 Evans & Sutherland Computer Division 65536
192.16.177.0/24 F J Management Inc. 256
CIDR Description IP NUMs(prefix /64)
2001:559:29::/48 Comcast Cable Communications, LLC 65536
2001:559:fa::/48 Comcast Cable Communications, LLC 65536
2001:559:fb::/48 Comcast Cable Communications, LLC 65536
2001:559:108::/48 Comcast Cable Communications, LLC 65536
2001:559:14b::/48 Comcast Cable Communications, LLC 65536
2001:559:1c5::/48 Comcast Cable Communications, LLC 65536
2001:559:1cf::/48 Comcast Cable Communications, LLC 65536
2001:559:201::/48 Comcast Cable Communications, LLC 65536
2001:559:20a::/48 Comcast Cable Communications, LLC 65536
2001:559:26c::/48 Comcast Cable Communications, LLC 65536
2001:559:297::/48 Comcast Cable Communications, LLC 65536
2001:559:299::/48 Comcast Cable Communications, LLC 65536
2001:559:29a::/48 Comcast Cable Communications, LLC 65536
2001:559:29f::/48 Comcast Cable Communications, LLC 65536
2001:559:2a3::/48 Comcast Cable Communications, LLC 65536
2001:559:2de::/48 Comcast Cable Communications, LLC 65536
2001:559:2e4::/48 Comcast Cable Communications, LLC 65536
2001:559:31a::/48 Comcast Cable Communications, LLC 65536
2001:559:366::/48 Comcast Cable Communications, LLC 65536
2001:559:37f::/48 Comcast Cable Communications, LLC 65536
2001:559:39b::/48 Comcast Cable Communications, LLC 65536
2001:559:3b2::/48 Comcast Cable Communications, LLC 65536
2001:559:3b3::/48 Comcast Cable Communications, LLC 65536
2001:559:3c4::/48 Comcast Cable Communications, LLC 65536
2001:559:41a::/48 Comcast Cable Communications, LLC 65536
2001:559:4a7::/48 Comcast Cable Communications, LLC 65536
2001:559:4a9::/48 Comcast Cable Communications, LLC 65536
2001:559:521::/48 Comcast Cable Communications, LLC 65536
2001:559:536::/48 Comcast Cable Communications, LLC 65536
2001:559:57f::/48 Comcast Cable Communications, LLC 65536
2001:559:58c::/48 Comcast Cable Communications, LLC 65536
2001:559:599::/48 Comcast Cable Communications, LLC 65536
2001:559:5d8::/48 Comcast Cable Communications, LLC 65536
2001:559:808a::/48 Comcast Cable Communications, LLC 65536
2001:559:8092::/48 Comcast Cable Communications, LLC 65536
2001:559:80f9::/48 Comcast Cable Communications, LLC 65536
2001:559:80fb::/48 Comcast Cable Communications, LLC 65536
2001:559:8127::/48 Comcast Cable Communications, LLC 65536
2001:559:8137::/48 Comcast Cable Communications, LLC 65536
2001:559:8193::/48 Comcast Cable Communications, LLC 65536
2001:559:81a6::/48 Comcast Cable Communications, LLC 65536
2001:559:821b::/48 Comcast Cable Communications, LLC 65536
2001:559:8274::/48 Comcast Cable Communications, LLC 65536
2001:559:8282::/48 Comcast Cable Communications, LLC 65536
2001:559:828c::/48 Comcast Cable Communications, LLC 65536
2001:559:828d::/48 Comcast Cable Communications, LLC 65536
2001:559:82d4::/48 Comcast Cable Communications, LLC 65536
2001:559:82fd::/48 Comcast Cable Communications, LLC 65536
2001:559:82fe::/48 Comcast Cable Communications, LLC 65536
2001:559:831b::/48 Comcast Cable Communications, LLC 65536
2001:559:8329::/48 Comcast Cable Communications, LLC 65536
2001:559:8352::/48 Comcast Cable Communications, LLC 65536
2001:559:8365::/48 Comcast Cable Communications, LLC 65536
2001:559:83a6::/48 Comcast Cable Communications, LLC 65536
2001:559:83bb::/48 Comcast Cable Communications, LLC 65536
2001:559:83c4::/48 Comcast Cable Communications, LLC 65536
2001:559:83e2::/48 Comcast Cable Communications, LLC 65536
2001:559:8443::/48 Comcast Cable Communications, LLC 65536
2001:559:8450::/48 Comcast Cable Communications, LLC 65536
2001:559:8460::/48 Comcast Cable Communications, LLC 65536
2001:559:8484::/48 Comcast Cable Communications, LLC 65536
2001:559:8485::/48 Comcast Cable Communications, LLC 65536
2001:559:84a0::/48 Comcast Cable Communications, LLC 65536
2001:559:84a1::/48 Comcast Cable Communications, LLC 65536
2001:559:84a2::/48 Comcast Cable Communications, LLC 65536
2001:559:85e0::/48 Comcast Cable Communications, LLC 65536
2001:559:8670::/48 Comcast Cable Communications, LLC 65536
2001:559:c006::/48 Comcast Cable Communications, LLC 65536
2001:559:c0ef::/48 Comcast Cable Communications, LLC 65536
2001:559:c0ff::/48 Comcast Cable Communications, LLC 65536
2001:559:c154::/48 Comcast Cable Communications, LLC 65536
2001:559:c160::/48 Comcast Cable Communications, LLC 65536
2001:559:c16d::/48 Comcast Cable Communications, LLC 65536
2001:559:c16e::/48 Comcast Cable Communications, LLC 65536
2001:559:c171::/48 Comcast Cable Communications, LLC 65536
2001:559:c173::/48 Comcast Cable Communications, LLC 65536
2001:559:c1ef::/48 Comcast Cable Communications, LLC 65536
2001:559:c232::/48 Comcast Cable Communications, LLC 65536
2001:559:c285::/48 Comcast Cable Communications, LLC 65536
2001:559:c288::/48 Comcast Cable Communications, LLC 65536
2001:559:c28a::/48 Comcast Cable Communications, LLC 65536
2001:559:c2bf::/48 Comcast Cable Communications, LLC 65536
2001:559:c2c0::/48 Comcast Cable Communications, LLC 65536
2001:559:c2e6::/48 Comcast Cable Communications, LLC 65536
2001:559:c311::/48 Comcast Cable Communications, LLC 65536
2001:559:c316::/48 Comcast Cable Communications, LLC 65536
2001:559:c334::/48 Comcast Cable Communications, LLC 65536
2001:559:c33f::/48 Comcast Cable Communications, LLC 65536
2001:559:c376::/48 Comcast Cable Communications, LLC 65536
2001:559:c3d3::/48 Comcast Cable Communications, LLC 65536
2001:559:c3e1::/48 Comcast Cable Communications, LLC 65536
2001:559:c3f5::/48 Comcast Cable Communications, LLC 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 30,984,360 163,497,116,672 IPv4 IPv4 IPv6 IPv6
AS3549 LVLT-3549 - Level 3 Parent, LLC, US United States 6,217,216 85,904,719,872 IPv4 IPv4
AS7922 COMCAST-7922 - Comcast Cable Communications, LLC, US United States 71,482,112 36,318,243,586,048 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS11633 4LIFE-HOLDINGS-LLC - 4Life Research USA, LLC, US United States 1,024 0 IPv4 IPv4
AS29864 SPORTSMANS-WAREHOUSE - Sportsman's Warehouse, Inc., US United States 512 0 IPv4 IPv4
AS46606 UNIFIEDLAYER-AS-1 - Unified Layer, US United States 1,300,224 0 IPv4 IPv4
AS53885 SPILLMAN - Spillman Technologies, Inc., US United States 768 0 IPv4 IPv4
AS393940 ULTRADENT-PRODUCTS - Ultradent Products Inc, US United States 256 0 IPv4 IPv4
AS395994 VECC911 - VECC, US United States 512 0 IPv4 IPv4
AS397172 MMX - ICM Registry LLC, US United States 0 0 IPv4 IPv4
AS14149 ICONFITNESS-MAIN - Icon Health & Fitness Inc, US United States 512 0 IPv4 IPv4
AS27178 HSPS-HQ - Practice Management Technologies and Services, US United States 1,280 0 IPv4 IPv4
AS32806 MARITIME-TELECOMMUNICATIONS-NETWORK - Emerging Markets Communications, US United States 28,672 0 IPv4 IPv4
AS63169 BMA - BMA MANAGEMENT SUPPORT CORPORATION, US United States 256 0 IPv4 IPv4
AS393917 CVE - Cache Valley Electric Company, US United States 512 0 IPv4 IPv4
AS10945 CORP-LINDON - ROI Solutions, LLC, US United States 512 0 IPv4 IPv4
AS16785 USANA-INC - USANA Inc, US United States 768 0 IPv4 IPv4
AS17206 MOUNTAIN-AMERICA - Mountain America Credit Union, US United States 1,024 0 IPv4 IPv4
AS29919 29919 - SELECT PORTFOLIO SERVICING INC, US United States 512 0 IPv4 IPv4
AS393459 DOMOINC772 - Domo, Inc., US United States 256 0 IPv4 IPv4
AS17044 TRUENORTHCOMM - True North Communications, US United States 1,792 0 IPv4 IPv4
AS25655 OSTK-COM - Overstock.com, US United States 5,376 0 IPv4 IPv4
AS53882 COMMUNITECT - Communitect, Inc, US United States 256 0 IPv4 IPv4
AS54438 AMC - Academy Mortgage Corporation, US United States 256 0 IPv4 IPv4
AS54629 AFSTORES-AS - Associated Food Stores, Inc., US United States 512 0 IPv4 IPv4
AS20229 MERRICK-AS - Merrick Bank, US United States 768 0 IPv4 IPv4
AS30639 CMCFLEX - Computer Marketing Corporation, US United States 256 0 IPv4 IPv4
AS35855 UCCU - UTAH COMMUNITY FEDERAL CREDIT UNION, US United States 768 0 IPv4 IPv4
AS54977 MERITMEDICAL - Merit Medical Systems, Inc, US United States 256 0 IPv4 IPv4
AS398374 NSL-ASN - Pro-Mark, LLC, US United States 256 0 IPv4 IPv4
AS1746 SIRSIDYNIXAS - Data Research Associates, Inc., US United States 5,632 0 IPv4 IPv4
AS16749 AUTOLIVASP1 - Autoliv asp, US United States 256 0 IPv4 IPv4
AS19831 STAMPIN - StampinUp, US United States 256 0 IPv4 IPv4
AS33173 MYGN-US - Myriad Genetics Incorporated, US United States 512 0 IPv4 IPv4
AS54637 SIMPLII-AS - Simplii LLC, US United States 256 0 IPv4 IPv4
AS55018 PRIME - Prime Holdings Insurance Services Inc, US United States 256 0 IPv4 IPv4
AS14950 LHM-GROUP - Larry H. Miller Management Company, US United States 768 0 IPv4 IPv4
AS19477 FLYINGJ - F J Management Inc., US United States 4,096 0 IPv4 IPv4
AS27480 MTC-CORP - Management & Training Corporation, US United States 512 0 IPv4 IPv4
AS393908 INTEGRACORE - VISIBLE SUPPLY CHAIN MANAGEMENT, LLC, US United States 256 0 IPv4 IPv4
AS19648 LDSCHURCH1 - Corporation of the Presiding Bishop of the Church of Jesus Christ of Latter-Day Saints, US United States 4,608 4,295,032,832 IPv4 IPv4
AS33264 YIPTEL - SYNDEO LLC, US United States 1,536 0 IPv4 IPv4
AS54308 RETOUCHUP - RETOUCHUP.COM, US United States 256 0 IPv4 IPv4
AS393557 PCMC - Park City Municipal Corporation, US United States 256 0 IPv4 IPv4
AS397157 KICKTECH-BOUNTIFUL-01 - Kicktech, LLC, US United States 256 0 IPv4 IPv4
AS10444 ZB NATIONAL ASSOCIATION - ZB, National Association, US United States 8,192 0 IPv4 IPv4
AS11319 DDMINC - Deseret Digital Media, Inc., US United States 8,960 0 IPv4 IPv4
AS13335 CLOUDFLARENET - Cloudflare, Inc., US United States 1,583,872 336,134,144 IPv4 IPv4 IPv6 IPv6
AS30519 CANYONS-ASN - VAIL RESORTS, INC., US United States 256 0 IPv4 IPv4
AS40322 PROPAY-AS3 - Propay Inc, US United States 256 0 IPv4 IPv4
AS395028 REY1 - The Reynolds and Reynolds Company, US United States 256 0 IPv4 IPv4
AS396033 BFDX515 - BioFire Diagnostics, LLC, US United States 512 0 IPv4 IPv4
AS26453 INFINISOURCE-INC - Infinisource, Inc., US United States 512 0 IPv4 IPv4
AS32230 PRESTIGEFINANCIAL1420 - Prestige Financial Services, US United States 256 0 IPv4 IPv4
AS398020 HICOUNTRYNET - PCM Industries, US United States 768 268,435,456 IPv4 IPv4 IPv6 IPv6
AS13610 PROVOCRAFT-NOVELTY - Provo Craft & Novelty, Inc., US United States 256 0 IPv4 IPv4
AS26211 PROOFPOINT-ASN-US-WEST - Proofpoint, Inc., US United States 10,752 262,144 IPv4 IPv4
AS27625 UBNT-AS - Ubiquiti Networks, Inc., US United States 256 65,536 IPv4 IPv4 IPv6 IPv6
AS11052 IHC-NET - Intermountain Health Care, US United States 67,328 0 IPv4 IPv4
AS27007 ADPSLC - Automatic Data Processing, Inc., US United States 1,536 0 IPv4 IPv4
AS35977 QPASS-1 - Amdocs Inc., US United States 3,328 65,536 IPv4 IPv4 IPv6 IPv6
AS394662 UFAASNUM - Unified Fire Authority, US United States 256 65,536 IPv4 IPv4 IPv6 IPv6
AS13799 3FORM-BGP - 3form Inc., US United States 256 0 IPv4 IPv4
AS23154 SANMINA-SCI - Sanmina-SCI Corporation, US United States 12,800 0 IPv4 IPv4
AS23389 CAMPBELL-SCIENTIFIC - Campbell Scientific, Inc., US United States 768 65,536 IPv4 IPv4
AS395344 IVANTI-BD - Ivanti, Inc., US United States 512 0 IPv4 IPv4
AS397612 ANX - ARCHITECTURAL NEXUS, INC, US United States 256 0 IPv4 IPv4
AS11688 LTSTREAM - Lightstream Communications, Inc., US United States 256 0 IPv4 IPv4
AS33355 NWR-AS - Northwest Research, Inc., US United States 256 0 IPv4 IPv4
AS394185 BOU-BANCORP - Bank of Utah, US United States 256 0 IPv4 IPv4
AS210 WEST-NET-WEST - Utah Education Network, US United States 1,494,016 4,296,081,408 IPv4 IPv4 IPv6 IPv6
AS17150 AFCU - America First Credit Union, US United States 1,280 0 IPv4 IPv4
AS32602 CORP-HDQTRS - ROI Solutions, LLC, US United States 512 0 IPv4 IPv4
AS40644 IFS - Integra Financial Services, LLC, US United States 256 0 IPv4 IPv4
AS55251 TAXHAWK-AS - TaxHawk, Inc., US United States 768 0 IPv4 IPv4
AS393546 ARUP - ARUP LABORATORIES, US United States 1,024 0 IPv4 IPv4
IP Address Domain NUMs Domains
50.203.161.50 1 uvdms1.utahvalley911.org
50.203.161.51 1 uvdmx02.utahvalley911.org
50.203.161.68 1 webmail.utahcounty.gov
50.203.161.69 2 utahcountyfire.org
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


OrgTechHandle: IC161-ARIN
OrgTechName:   Comcast Cable Communications Inc
OrgTechPhone:  +1-856-317-7200 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/IC161-ARIN

OrgRoutingHandle: ROUTI25-ARIN
OrgRoutingName:   Routing
OrgRoutingPhone:  +1-856-317-7200 
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI25-ARIN

OrgAbuseHandle: NAPO-ARIN
OrgAbuseName:   Network Abuse and Policy Observance
OrgAbusePhone:  +1-888-565-4329 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NAPO-ARIN