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

25

IPv6Prefixes

4

IPv4 NUMs

75,008

IPv6 NUMs(/64)

1,245,184

75,008 IPv4 Addresses
CIDR Description IP Num
24.104.54.0/24 PeopleFinders.com (C02813207) 256
64.189.18.0/24 Apogee Telecom Inc. 256
72.55.8.0/21 Comcast Cable Communications, LLC (CCCS) 2048
139.181.7.0/24 Mentor Graphics Corporation 256
140.89.0.0/24 EGAN 256
140.89.0.0/16 EGAN 65536
142.131.240.0/22 Fairmont Raffles Hotels International 1024
155.63.71.0/24 Trimble, Inc. 256
157.240.151.0/24 Facebook, Inc. 256
157.240.152.0/24 Facebook, Inc. 256
161.82.12.0/24 Wilson, Sonsini, Goodrich & Rosati, Professional Corporation 256
161.82.44.0/23 Wilson, Sonsini, Goodrich & Rosati, Professional Corporation 512
166.108.192.0/24 MCCLATCHY MANAGEMENT SERVICES, INC. 256
169.230.76.0/24 University of California San Francisco 256
169.230.77.0/24 University of California San Francisco 256
192.70.238.0/24 City of Salinas, Information Systems Group 256
192.189.161.0/24 Livermore Software Technology Corporation 256
192.206.19.0/24 Chrontel 256
198.140.182.0/24 eSilicon Corporation 256
198.202.219.0/24 Serra Systems, Inc. 256
198.235.13.0/24 Sidus Software Inc. 256
199.20.62.0/24 The Ogilvy Group, Inc. 256
204.145.245.0/24 E&M Electric and Machinery, Inc. 256
208.71.108.0/22 ExodusPoint Capital Management, L.P. 1024
209.78.88.0/24 City Of Selma (C00018687) 256
CIDR Description IP NUMs(prefix /64)
2605:6180:d::/48 Salesforce.com, Inc. 65536
2620:10a:6000::/44 Infoblox, Inc. 1048576
2a03:2887:ff31::/48 Facebook Ireland Ltd 65536
2a03:2887:ff32::/48 Facebook Ireland Ltd 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 38,468,164 25,789,661,440 IPv4 IPv4 IPv6 IPv6
AS3549 LVLT-3549 - Level 3 Parent, LLC, US United States 6,085,760 128,878,444,544 IPv4 IPv4
AS7922 COMCAST-7922, US United States 71,248,896 36,318,243,520,512 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS397708 FMTSJLLC-SAJ - FMT SJ LLC, US United States 1,280 268,435,456 IPv4 IPv4
AS11328 BIO-RAD-ASN - Bio-Rad Laboratories, Inc., US United States 768 0 IPv4 IPv4
AS33161 CHUMASH-CASINO-RESORT - Chumash Casino Resort, US United States 256 0 IPv4 IPv4
AS2894 CALIF-DWR - California Department of Water Resources, US United States 6,400 0 IPv4 IPv4
AS11681 INTEGRITY - Integrity Networks, US United States 5,632 0 IPv4 IPv4
AS62539 FORTIS - Fortis Telecom, US United States 1,024 0 IPv4 IPv4
AS397620 CITYMENLOPARK - City of Menlo Park, US United States 256 0 IPv4 IPv4
AS15035 X2NSAT-SVN - X2nSat, Inc, US United States 11,264 0 IPv4 IPv4
AS20066 MSC-SJ-HQ - Supermicro Computer, US United States 1,024 0 IPv4 IPv4
AS26362 TRAVISCU - Travis Credit Union, US United States 2,048 0 IPv4 IPv4
AS46520 CA-DOJ - California Department of Justice, US United States 65,536 0 IPv4 IPv4
AS47079 SFCU-SITE1 - SCHOOLS FINANCIAL CREDIT UNION, US United States 512 0 IPv4 IPv4
AS54474 CITY-OF-SANTA-CRUZ - City of Santa Cruz, US United States 256 0 IPv4 IPv4
AS5081 CCS-AS - CLARE COMPUTER SOLUTIONS, US United States 256 65,536 IPv4 IPv4 IPv6 IPv6
AS11620 SUCCEED-NET - Succeed.Net, US United States 10,240 0 IPv4 IPv4
AS13843 PHOENIX-AMERICAN - Phoenix American Inc., US United States 1,024 0 IPv4 IPv4
AS15228 OREILLYMEDIA-AS1 - O'Reilly Media, Inc., US United States 1,024 0 IPv4 IPv4
AS23154 SANMINA-SCI - Sanmina-SCI Corporation, US United States 11,264 0 IPv4 IPv4
AS25878 QNST-DC01 - Quinstreet, Inc., US United States 1,536 0 IPv4 IPv4
AS40620 INGENUITY-SYSTEMS - QIAGEN Redwood City, Inc., US United States 1,280 0 IPv4 IPv4
AS62571 IMPERVA-INC-US-SJ-COLO - IMPERVA INC, US United States 1,792 393,216 IPv4 IPv4
AS393946 INTERSIL-SEMI - Intersil, US United States 3,072 0 IPv4 IPv4
AS395757 SCCFCU-PUBLIC01 - Santa Clara County Federal Credit Union, US United States 256 0 IPv4 IPv4
AS395844 LUSD, US United States 256 0 IPv4 IPv4
AS13511 UNIVI-2-ASN - Univision Communications Inc., US United States 2,048 0 IPv4 IPv4
AS17003 ZOETIS-INC - Zoetis Inc., US United States 3,840 0 IPv4 IPv4
AS20325 PATELCOCU - Patelco Credit Union, US United States 1,536 0 IPv4 IPv4
AS32537 XILINX - Xilinx Incorporated, US United States 65,536 0 IPv4 IPv4
AS40385 SAINT-MARYS-CA-AS - Saint Mary's College of California, US United States 4,096 0 IPv4 IPv4
AS394156 SOM312212415 - SOM LLP, US United States 1,280 0 IPv4 IPv4
AS396484 CITY-OF-ROSEVILLE-CA - City of Roseville, US United States 65,536 0 IPv4 IPv4
AS10475 AS-NSCHD-01 - North Sonoma County Healthcare District, US United States 256 0 IPv4 IPv4
AS54469 COV-ISP - City of Vacaville, US United States 512 0 IPv4 IPv4
AS62702 AS62702 - Nimble Storage, Inc., US United States 512 0 IPv4 IPv4
AS395210 WESTERNCARRIERS-CA - Western Carriers Inc., US United States 256 0 IPv4 IPv4
AS396121 BAYER-BERKELEY - Bayer Corporation, US United States 256 0 IPv4 IPv4
AS11629 ZENNIOPT - Zenni Optical, LLC, US United States 256 0 IPv4 IPv4
AS14062 AKQA - AKQA, Inc., US United States 1,024 0 IPv4 IPv4
AS14706 MBARI-MAIN - Monterey Bay Aquarium Research Institute, US United States 65,536 0 IPv4 IPv4
AS33382 CRYPTICSTUDIOS-HQ - CRYPTIC STUDIOS, INC., US United States 256 0 IPv4 IPv4
AS393914 INVITAE-01 - Invitae Corp, US United States 256 0 IPv4 IPv4
AS5098 OPUSONE-NETS - Opus One Winery, LLC, US United States 512 0 IPv4 IPv4
AS16914 MBHARCH - MBH ARCHITECTS, US United States 256 0 IPv4 IPv4
AS19047 AWS-01 - Amazon.com, Inc., US United States 5,376 0 IPv4 IPv4
AS23411 PRODUCERS-DAIRY-FOODS - Producers Dairy Foods, Inc, US United States 256 0 IPv4 IPv4
AS32074 CPTSL-32074 - CrossLink Professional Tax Solutions, LLC, US United States 256 0 IPv4 IPv4
AS7412 ENS-NET - EZ Network Systems, Inc., US United States 2,048 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS11941 PWLLP-AS001 - Pillsbury Madison & Sutro, Inc., US United States 5,888 0 IPv4 IPv4
AS22202 CONFIRMIT - Confirmit, Inc., US United States 256 0 IPv4 IPv4
AS395914 ADVWIRELESS - Advanced Wireless, US United States 256 0 IPv4 IPv4
AS22695 PLAYGROUND - Playground Global, LLC, US United States 0 65,536 IPv6 IPv6
AS26450 CTDI-WC - CTDI, US United States 256 16,777,216 IPv6 IPv6
AS18957 TAXRESOURCES-1 - TaxAudit.com, US United States 768 0 IPv4 IPv4
AS20258 ANALOG-DEVICES - Analog Devices, Inc., US United States 9,216 0 IPv4 IPv4
AS22389 COURSERA - Coursera Inc., US United States 256 0 IPv4 IPv4
AS22738 LANLOGIC - LanLogic,Inc., US United States 2,048 0 IPv4 IPv4
AS23338 ASN-DCS-01 - DCS Pacific Star, LLC, US United States 59,136 4,294,967,296 IPv4 IPv4
AS393518 CLAIMREMEDI-AS - ClaimRemedi, Inc., US United States 256 0 IPv4 IPv4
AS19637 AVG19637 - Avago Technologies U.S. Inc., US United States 19,712 524,288 IPv4 IPv4
AS22414 CRAIGS-NET-1 - Craigslist, Inc., US United States 1,024 1,048,576 IPv4 IPv4
AS54269 PROVIDENTCU - Provident Credit Union, US United States 256 0 IPv4 IPv4
AS394516 COUNTYOFNAPAAS - County of Napa MIS, US United States 1,280 0 IPv4 IPv4
AS396505 EMC - ENLOE MEDICAL CENTER, US United States 512 0 IPv4 IPv4
AS21954 TELES-27 - Telestream, Inc., US United States 256 0 IPv4 IPv4
AS22020 PLANETMAGPIE - Magpie Internet Communications, Corp., US United States 1,280 0 IPv4 IPv4
AS40639 KORBELINC - F Korbel & Bros Inc, US United States 512 0 IPv4 IPv4
AS46186 GILD-SCI - Gilead Sciences, US United States 2,688 0 IPv4 IPv4
AS13335 CLOUDFLARENET - Cloudflare, Inc., US United States 1,572,864 333,905,920 IPv4 IPv4 IPv6 IPv6
AS32778 SMART-CITY-SCCC - Smart City Networks, L.P., US United States 2,048 0 IPv4 IPv4
AS36737 CONFI-AS - PeopleFinders, US United States 1,024 0 IPv4 IPv4
AS395976 COMCAST-D, US United States 256 0 IPv4 IPv4
AS10451 WARPDRIVE - Warpdrive Networks, US United States 1,280 0 IPv4 IPv4
AS14110 GENESYS-ASN - Genesys Telecommunications Laboratories,Inc., US United States 3,584 0 IPv4 IPv4
AS14421 THERAVANCE - Theravance Biopharma US, Inc, US United States 256 0 IPv4 IPv4
AS36835 NMF4L-1500 - Nugget Market, US United States 256 0 IPv4 IPv4
AS46423 NRT-NORCAL - Coldwell Banker Residential Brokerage, US United States 256 0 IPv4 IPv4
AS62517 SMILLC - Sonoma Media Investments, LLC, US United States 256 0 IPv4 IPv4
AS6099 BAE-NET-ASN - Alameda County Office of Education, US United States 155,648 4,294,967,296 IPv4 IPv4
AS11483 CONVIVA-AS - Conviva, Inc., US United States 1,536 196,608 IPv4 IPv4 IPv6 IPv6
AS20082 ABSNOC1 - TAG International, US United States 3,840 0 IPv4 IPv4
AS29700 CYPRESS-SEMICONDUCTOR - Cypress Semiconductor, US United States 2,816 0 IPv4 IPv4
AS32504 INTELLETRACE, US United States 512 65,536 IPv4 IPv4 IPv6 IPv6
AS394767 GROUPONE-SC1 - Group One Consulting, Inc., US United States 512 0 IPv4 IPv4
AS32304 AS-NATUSMED - Natus Medical Inc., US United States 512 0 IPv4 IPv4
AS39961 CCSF - San Francisco Department of Telecommunications and Information Services, US United States 58,624 0 IPv4 IPv4
AS55064 ARISTAASN1 - Arista Networks, Inc., US United States 1,024 1,048,576 IPv4 IPv4 IPv6 IPv6
AS395780 ZUORA-CORP-SAN-MATEO - Zuora, Inc, US United States 0 0 IPv4 IPv4
AS397787 TBMI-ASN1 - Black Oak Casino, US United States 256 65,536 IPv4 IPv4 IPv6 IPv6
AS18469 PLT - Plantronics, US United States 1,024 0 IPv4 IPv4
AS33311 NET-TOPCON - TOPCON POSITIONING SYSTEMS INC, US United States 512 0 IPv4 IPv4
AS35944 MEYER-SOUND - Meyer Sound, US United States 256 0 IPv4 IPv4
AS55032 JAXNET-BH-01 - The Jackson Laboratory, US United States 4,352 0 IPv4 IPv4
AS55278 CIG-ASN - California Capital Insurance Company, US United States 256 0 IPv4 IPv4
AS396513 COUNTY-OF-FRESNO - County of Fresno, US United States 1,024 0 IPv4 IPv4
AS19188 SJ-ARMANINO-01 - Armanino LLP, US United States 256 0 IPv4 IPv4
AS36690 RSYSTEMS-EDH - R Systems Inc., US United States 512 0 IPv4 IPv4
AS394121 VCH-MADERA - Valley Children's Hospital, US United States 512 0 IPv4 IPv4
AS398214 PHP-ASN - Prominence Health Plan, US United States 256 0 IPv4 IPv4
AS25625 IPAI - IP Access International, US United States 15,616 0 IPv4 IPv4
AS46341 CPUC-AS-001 - California Public Utilities Commission, US United States 65,536 0 IPv4 IPv4
AS54767 RESTO-HARDWARE - Restoration Hardware, Inc., US United States 256 0 IPv4 IPv4
AS393553 MINERVANETWORKS-US-CA-ALV-HEADQUARTERS - Minerva Networks, Inc., US United States 256 0 IPv4 IPv4
AS14388 BRONCO-WINE - Bronco Wine Co., US United States 1,280 0 IPv4 IPv4
AS17117 RITSNET - RITSnet, Inc., US United States 3,072 0 IPv4 IPv4
AS21580 CAL-NET-INC - Cal.net, Inc., US United States 9,216 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS32770 CITYOF-294-AS - CITY OF PLEASANTON, US United States 512 0 IPv4 IPv4
AS11733 EJGALLO - E. & J. Gallo Winery Inc., US United States 2,560 0 IPv4 IPv4
AS30555 BUILD - Faucet Direct, Inc., US United States 256 0 IPv4 IPv4
AS46798 SSCSINC - Service Station Computer Systems, Inc., US United States 1,024 0 IPv4 IPv4
AS27288 DPCHICO-1 - Digital Path, US United States 30,464 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS393355 SISA - SAMSUNG RESEARCH AMERICA, INC., US United States 512 0 IPv4 IPv4
AS398178 TELCION-NETOPS-01 - Telcion Communications Group, US United States 256 0 IPv4 IPv4
AS6379 ALINK - A-Link Network Services, Inc., US United States 6,656 65,536 IPv4 IPv4
AS7735 REDSHIFT - Red Shift, Inc., US United States 16,640 0 IPv4 IPv4
AS20383 EXCHANGEBANK-AS - Exchange Bank, US United States 512 0 IPv4 IPv4
AS21717 MCCANN-ERICKSON - McCann-Erickson Worldwide, Inc., US United States 512 0 IPv4 IPv4
AS36753 SSF-AUTO-PARTS - SSF Imported Autoparts Inc., US United States 512 0 IPv4 IPv4
AS11093 DATAWAY, US United States 4,096 0 IPv4 IPv4
AS20940 AKAMAI-ASN1 - Akamai International B.V., US United States 5,386,288 1,103,819,507,200 IPv4 IPv4 IPv6 IPv6
AS32688 GOLDEN1-CU-NET - THE GOLDEN 1 CREDIT UNION, US United States 1,280 0 IPv4 IPv4
AS394977 T2EE-AS1 - TAKE-TWO INTERACTIVE SOFTWARE, INC., US United States 8,896 268,435,456 IPv4 IPv4
AS11212 COUNTY-OF-SONOMA - COUNTY OF SONOMA, US United States 1,024 0 IPv4 IPv4
AS14443 BFS-49-14443 - Broadridge Financial Solutions, Inc., US United States 65,536 0 IPv4 IPv4
AS26488 SCU-ASN - Santa Clara University, US United States 65,536 0 IPv4 IPv4
AS11465 KAWEAH-DELTA-HEALTH-CARE-DISTRICT - Kaweah Delta Health Care District, US United States 8,192 0 IPv4 IPv4
AS20464 POLYCOM - Polycom, Inc., US United States 9,216 65,536 IPv4 IPv4
AS36335 TGNA-KXTV - TEGNA Inc., US United States 256 0 IPv4 IPv4
AS397295 CITYOFPALOALTO - City of Palo Alto, US United States 8,192 0 IPv4 IPv4
AS54201 WEWORK-MANAGEMENT-LLC - We Link Networks LLC, US United States 12,096 262,144 IPv6 IPv6
AS7235 LANMINDS - LanMinds, Inc., US United States 10,240 0 IPv4 IPv4
AS23472 SONICWALL-BGP - SonicWALL, Inc., US United States 1,024 0 IPv4 IPv4
AS26325 TECHCU-AS - Technology Credit Union, US United States 768 0 IPv4 IPv4
AS395504 AMERICANAGCREDIT - AMERICAN AGCREDIT ACA, US United States 256 0 IPv4 IPv4
AS22024 SPLUNK-WEST - Splunk, US United States 1,536 0 IPv4 IPv4
AS393935 SCCU - Sierra Central Credit Union, US United States 256 0 IPv4 IPv4
AS396262 FSO-ASN - Fresno County Sheriff's Office, US United States 256 0 IPv4 IPv4
AS17268 WHITEHAT-US-01 - WhiteHat Security, Inc., US United States 256 0 IPv4 IPv4
AS53782 PCOASTP - Pacific Coast Producers, US United States 4,096 0 IPv4 IPv4
AS395323 SMC - County of San Mateo, US United States 8,192 0 IPv4 IPv4
AS397062 SMG - Sun-Maid Growers of California, US United States 1,024 0 IPv4 IPv4
AS394304 SACRAMENTO-KINGS - Sacramento Downtown Arena, LLC, US United States 512 268,435,456 IPv4 IPv4 IPv6 IPv6
AS395536 TRIMARKASSOC - Trimark Associates, inc, US United States 256 0 IPv4 IPv4
AS397934 AAILLC-1 - Argo AI, US United States 512 0 IPv4 IPv4
AS20381 CABLELABS-LV - Cable Television Laboratories, Inc., US United States 1,024 131,072 IPv6 IPv6
AS11068 HBMMJAS - Hanna, Brophy, MacLean, McAleer & Jensen, L.L.P, US United States 768 0 IPv4 IPv4
AS25632 NORTHBAYHEALTHCARECORP - NorthBay Healthcare Corporation, US United States 256 0 IPv4 IPv4
AS33442 ZEBRA-TECHNOLOGIES-BGP-AS-NUMBER - Zebra Technologies, US United States 131,328 0 IPv4 IPv4
AS36761 KSBW-TV - Hearst-Argyle Television, Inc., US United States 512 0 IPv4 IPv4
AS396251 CLEARCAPTIONS, US United States 256 0 IPv4 IPv4
AS394464 SCC-SUTTER - Superior Court of California, County of Sutter, US United States 0 65,536 IPv6 IPv6
IP Address Domain NUMs Domains
24.104.54.20 1 ns2.mailsender.us
24.104.54.54 10 arpa.org
24.104.54.86 1 ns7.wide.net
24.104.54.120 3 csmail.peoplefinders.com
24.104.54.231 1 ns1.peoplefinders.com
ASNumber:       33667
ASName:         CMCS
ASHandle:       AS33667
RegDate:        2005-02-16
Updated:        2016-08-31    
Ref:            https://rdap.arin.net/registry/autnum/33667



OrgName:        Comcast Cable Communications, LLC
OrgId:          CCCS
Address:        1800 Bishops Gate Blvd
City:           Mt Laurel
StateProv:      NJ
PostalCode:     08054
Country:        US
RegDate:        2001-09-17
Updated:        2017-01-28
Ref:            https://rdap.arin.net/registry/entity/CCCS


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

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