AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
CMCS 123 0 1,790,720 0 United States
1,790,720 IPv4 Addresses
CIDR Description IP Num
23.30.64.0/19 Comcast Cable Communications, LLC (CCCS) 8192
23.63.80.0/23 Akamai Technologies, Inc. 512
23.63.82.0/23 Akamai Technologies, Inc. 512
23.63.84.0/23 Akamai Technologies, Inc. 512
23.70.4.0/22 Comcast Cable Communications, LLC (C07407530) 1024
23.71.32.0/22 Comcast Cable Communications, LLC (C07266007) 1024
23.205.120.0/24 Akamai Technologies, Inc. 256
23.207.204.0/22 Akamai Technologies, Inc. 1024
23.207.240.0/20 Akamai Technologies, Inc. 4096
23.208.0.0/20 Akamai Technologies, Inc. 4096
23.208.16.0/23 Akamai Technologies, Inc. 512
23.216.55.0/24 Akamai Technologies, Inc. 256
24.104.75.0/24 City of Missouri City (C02816586) 256
50.78.32.0/21 Comcast Cable Communications, LLC (CCCS) 2048
50.78.216.0/21 Comcast Cable Communications, LLC 2048
50.79.136.0/21 Comcast Cable Communications, LLC 2048
50.79.240.0/20 DRIVER RESOURCE COMPANY (C03305626) 4096
50.192.64.0/19 Comcast Cable Communications, LLC 8192
50.194.160.0/19 SHOWALTER LAW FIRM (C03239636) 8192
50.197.192.0/19 Comcast Cable Communications, LLC 8192
50.208.64.0/19 Comcast Cable Communications, LLC (CCCS) 8192
50.209.96.0/19 Comcast Cable Communications, LLC (CCCS) 8192
50.209.208.0/20 Comcast Cable Communications, LLC (CCCS) 4096
50.210.192.0/19 Comcast Cable Communications, LLC (CCCS) 8192
50.216.38.0/24 Comcast Cable Communications, LLC (CCCS) 256
50.224.223.0/24 Comcast Cable Communications, LLC (CCCS) 256
50.240.224.0/19 Comcast Cable Communications, LLC 8192
50.244.96.0/19 Comcast Cable Communications, LLC 8192
50.246.32.0/19 Comcast Cable Communications, LLC (CCCS) 8192
50.249.64.0/19 Comcast Cable Communications, LLC (CCCS) 8192
50.252.32.0/19 Comcast Cable Communications, LLC (CCCS) 8192
50.254.96.0/19 Comcast Cable Communications, LLC (CCCS) 8192
68.85.87.0/24 Comcast Cable Communications, LLC (CCCS) 256
68.85.244.0/22 Comcast Cable Communications, Inc. (C01621977) 1024
68.85.248.0/21 Comcast Cable Communications, Inc. (C01621977) 2048
68.86.54.0/23 Comcast Cable Communications, Inc. (C01616570) 512
69.139.208.0/22 Comcast Cable Communications, LLC (CCCS) 1024
69.241.80.0/23 Comcast Cable Communications, Inc. (C01543874) 512
69.252.119.0/24 Comcast Cable Communications, Inc. (C01520264) 256
69.252.210.0/23 Comcast Cable Communications, LLC 512
73.6.0.0/16 Comcast IP Services, L.L.C. (C05268058) 65536
73.32.0.0/16 Comcast IP Services, L.L.C. (C04990647) 65536
73.55.128.0/17 Comcast IP Services, L.L.C. (C04854396) 32768
73.76.0.0/15 Comcast IP Services, L.L.C. (C05966825) 131072
73.115.0.0/16 Comcast IP Services, L.L.C. (C06102817) 65536
73.136.0.0/16 Comcast IP Services, L.L.C. (C05595278) 65536
73.155.0.0/16 Comcast Cable Communications, LLC 65536
73.166.0.0/16 Comcast IP Services, L.L.C. (C05159870) 65536
73.183.128.0/17 Comcast IP Services, L.L.C. (C04892815) 32768
73.206.0.0/16 Comcast IP Services, L.L.C. (C05516187) 65536
73.232.0.0/16 Comcast IP Services, L.L.C. (C05817943) 65536
73.255.0.0/17 Comcast IP Services, L.L.C. (C05943042) 32768
74.95.148.0/22 Comcast Cable Communications, LLC 1024
74.95.208.0/20 Comcast Cable Communications, LLC (CCCS) 4096
74.95.224.0/19 Comcast Cable Communications, LLC 8192
75.148.128.0/17 Comcast Cable Communications, LLC (CCCS) 32768
76.30.0.0/15 Comcast Cable Communications, Inc. (C01618406) 131072
76.96.42.0/24 Comcast Cable Communications, Inc. (C01616564) 256
76.96.128.0/22 Comcast Cable Communications, Inc. (C01616563) 1024
96.64.32.0/19 Comcast Cable Communications, LLC (CCCS) 8192
96.65.224.0/19 Comcast Cable Communications, LLC 8192
96.68.64.0/18 Comcast Cable Communications, LLC 16384
96.73.64.0/18 Comcast Cable Communications, LLC 16384
96.76.176.0/20 Comcast Cable Communications, LLC (CCCS) 4096
96.77.128.0/19 Comcast Cable Communications, LLC 8192
96.79.160.0/19 Comcast Cable Communications, LLC 8192
96.79.218.0/23 Comcast Cable Communications, LLC (CCCS) 512
96.83.32.0/19 Comcast Cable Communications, LLC (CCCS) 8192
96.85.0.0/19 Comcast Cable Communications, LLC 8192
96.88.32.0/19 Comcast Cable Communications, LLC (CCCS) 8192
96.91.32.0/19 Comcast Cable Communications, LLC 8192
96.93.64.0/19 Comcast Cable Communications, LLC (CCCS) 8192
96.95.224.0/19 Comcast Cable Communications, LLC (CCCS) 8192
96.96.0.0/21 Comcast Cable Communications, LLC 2048
96.108.82.0/23 Comcast Cable Communications, LLC 512
96.110.152.0/23 Comcast Cable Communications, LLC 512
96.110.156.0/23 Comcast Cable Communications, LLC 512
96.110.196.0/23 Comcast Cable Communications, LLC 512
96.110.240.0/23 Comcast Cable Communications, LLC 512
96.113.152.0/22 Comcast Cable Communications, LLC 1024
96.113.168.0/22 Comcast Cable Communications, LLC 1024
96.113.204.0/22 Comcast Cable Communications, LLC 1024
96.114.136.0/24 Comcast Cable Communications, LLC 256
96.114.138.0/24 Comcast Cable Communications, LLC 256
96.115.168.0/22 Comcast Cable Communications, LLC 1024
96.119.16.0/22 Comcast IP Services, L.L.C. (C02710155) 1024
96.119.20.0/22 Comcast IP Services, L.L.C. (C02710155) 1024
98.194.0.0/15 Comcast Cable Communications, Inc. (C01663447) 131072
98.196.0.0/14 Comcast Cable Communications, Inc. (C01663448) 262144
98.200.0.0/16 Comcast Cable Communications, Inc. (C01697443) 65536
98.201.0.0/16 Comcast Cable Communications, Inc. (C01697442) 65536
100.43.0.0/23 APOG-TAMUG (C06952115) 512
104.36.227.0/24 Spring Fire Department 256
104.67.192.0/20 Akamai Technologies, Inc. 4096
104.67.208.0/20 Akamai Technologies, Inc. 4096
104.102.27.0/24 Akamai Technologies, Inc. 256
104.125.88.0/22 Akamai Technologies, Inc. 1024
104.125.216.0/23 Akamai Technologies, Inc. 512
108.175.16.0/24 Computer Solutions 256
108.175.17.0/24 Computer Solutions 256
108.175.20.0/24 Computer Solutions 256
108.175.21.0/24 Computer Solutions 256
142.54.208.0/21 Harris County Emergency Corps 2048
142.54.216.0/24 Harris County Emergency Corps 256
162.151.134.0/23 Comcast Cable Communications, LLC (CCCS) 512
168.88.100.0/23 Jacobs Engineering Group Inc. 512
170.76.146.0/24 American National Insurance Company 256
172.244.10.0/23 Comcast Cable Communications, LLC (CCCS) 512
172.244.25.0/24 Comcast Cable Communications, LLC (CCCS) 256
172.244.46.0/23 Comcast Cable Communications, LLC (CCCS) 512
172.244.66.0/23 Comcast Cable Communications, LLC (C04632799) 512
172.244.84.0/24 Comcast Cable Communications, LLC (C04632799) 256
172.244.93.0/24 Comcast Cable Communications, LLC (C04632799) 256
172.244.117.0/24 Comcast Cable Communications, LLC (C04632799) 256
172.244.131.0/24 Comcast Cable Communications, LLC (CCCS) 256
172.244.149.0/24 Comcast Cable Communications, LLC (C06376436) 256
172.244.168.0/22 Comcast Cable Communications, LLC (C06477980) 1024
172.244.208.0/22 Comcast Cable Communications, LLC (C06928387) 1024
173.11.128.0/17 Comcast Cable Communications, LLC 32768
198.0.64.0/19 Comcast Cable Communications, LLC 8192
198.46.65.0/24 Harris County Appraisal District 256
199.201.223.0/24 Fondren Orthopedic Group, L.L.P. 256
208.110.207.0/24 Port of Houston Authority of Harris County, Texas 256
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 39,335,556 128,868,941,824 IPv4 IPv4 IPv6 IPv6
AS3549 LVLT-3549 - Level 3 Parent, LLC, US United States 6,293,888 115,994,787,840 IPv4 IPv4
AS7922 COMCAST-7922 - Comcast Cable Communications, LLC, US United States 71,181,824 36,318,243,520,512 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS4057 DCS-ASN - Mechant's Choice Payment Solutions, US United States 512 0 IPv4 IPv4
AS18649 ST-DAL - ShoreTel, Inc., US United States 21,504 0 IPv4 IPv4
AS20204 NOVOLINK-HOUSTON - NovoLink Communications, Inc. - Houston, US United States 512 0 IPv4 IPv4
AS54119 ELAUWIT-NET - Boingo MDU LLC, US United States 31,232 50,331,648 IPv4 IPv4
AS23218 TMC - Texas Medical Center, US United States 256 0 IPv4 IPv4
AS53571 PCC-CORP - PRECISION CASTPARTS CORP, US United States 2,304 0 IPv4 IPv4
AS397288 MCREY - McNaughton-McKay Electric Company, US United States 1,024 0 IPv4 IPv4
AS11135 CROSS-DEVELOPMENT-MONTGOMERY - Cross Development/Montgomery LP, US United States 4,608 0 IPv4 IPv4
AS47071 CHR-SOLUTIONS - CHR SOLUTIONS INC, US United States 1,536 0 IPv4 IPv4
AS54321 COMPUTEX - ENETSolutions L.L.C, US United States 1,024 0 IPv4 IPv4
AS54808 SUN-COAST-RESOURCES - SUN COAST RESOURCES, INC, US United States 256 0 IPv4 IPv4
AS55031 PROSTAR-COMMUNICATIONS - ProStar Communications, US United States 256 0 IPv4 IPv4
AS55291 HARRIS-COUNTY-AS - Harris County, US United States 1,280 0 IPv4 IPv4
AS26450 CTDI-WC - CTDI, US United States 256 16,777,216 IPv6 IPv6
AS26093 HAR - Houston Association of Realtors, US United States 256 0 IPv4 IPv4
AS32779 SMART-CITY-GBCC - Smart City Networks, L.P., US United States 2,304 1,048,576 IPv4 IPv4 IPv6 IPv6
AS54155 GREENCLOUD - Green Cloud Technologies,LLC, US United States 8,960 0 IPv4 IPv4
AS393379 SEI-HOUSTON - Seismic Exchange, Inc., US United States 256 0 IPv4 IPv4
AS11153 CSFL-2-11153 - Corporate Support & Fulfillment LLC, US United States 256 65,536 IPv4 IPv4
AS394477 SHL - Stronghold, Ltd., US United States 256 0 IPv4 IPv4
AS2386 INS-AS - AT&T Data Communications Services, US United States 531,968 786,432 IPv4 IPv4
AS16746 RELIANTENERGY - RELIANT ENERGY, US United States 9,472 0 IPv4 IPv4
AS23154 SANMINA-SCI - Sanmina-SCI Corporation, US United States 9,984 0 IPv4 IPv4
AS27178 HSPS-HQ - Practice Management Technologies and Services, US United States 1,280 0 IPv4 IPv4
AS62867 ALDINEISD-ASN01 - Aldine Independent School District, US United States 256 0 IPv4 IPv4
AS393383 SISD-ASN - Spring Independent School District, US United States 512 0 IPv4 IPv4
AS395238 BRAZOSPORTISD-01 - Brazosport Independent School District, US United States 512 0 IPv4 IPv4
AS40667 OIS-53-ASN - Optiquest Internet Services, Inc., US United States 2,048 0 IPv4 IPv4
AS46458 SAVINGCALL - Saving Call LLC, US United States 768 0 IPv4 IPv4
AS55007 THE-GROCERS-SUPPLY-CO-INC - The Grocers Supply Co., Inc., US United States 512 0 IPv4 IPv4
AS46209 GHC911 - GHC911, US United States 1,024 4,294,967,296 IPv4 IPv4
AS395868 FBISD-ASNONE - Fort Bend Independent School District, US United States 768 0 IPv4 IPv4
AS2134 GSVNET-AS GS Virtual Network Produban, ES Spain 98,560 0 IPv4 IPv4
AS32340 SPECIALTY-RETAILERS - Specialty Retailers, US United States 256 0 IPv4 IPv4
AS46785 QUASAR-DATA-CENTER - QUASAR DATA CENTER, LTD., US United States 6,400 4,294,967,296 IPv4 IPv4
AS13423 GALVESTONISD - GALVESTON ISD, US United States 256 0 IPv4 IPv4
AS36405 SBC-HOUSTON - Second Baptist Church, US United States 256 0 IPv4 IPv4
AS40417 INTERACTIONSCORP - Interactions Corporation, US United States 768 0 IPv4 IPv4
AS19833 ABAATLASN1 - Abacus Solutions, LLC, US United States 1,536 262,144 IPv4 IPv4 IPv6 IPv6
AS22403 TRINICOM - TRINICOM COMMUNICATIONS, US United States 2,048 0 IPv4 IPv4
AS33522 CPANEL-INC - cPanel, LLC., US United States 4,864 327,680 IPv4 IPv4 IPv6 IPv6
AS54063 MHHS-AS - Memorial Hermann Health System, US United States 1,280 0 IPv4 IPv4
AS63344 DKM2-ARIN - The Reynolds and Reynolds Company, US United States 2,048 0 IPv4 IPv4
AS396272 HOUSTON-TEXANS - Houston Texans, US United States 256 0 IPv4 IPv4
AS15093 NEWWAVECOMM2 - New Wave Communications, US United States 8,960 0 IPv4 IPv4
AS53944 JJT-GULFTECH - J & J Telecommunications, US United States 1,088 0 IPv4 IPv4
AS63483 SKYNET-AS-1 - Skynet, US United States 9,728 0 IPv4 IPv4
AS36538 SJCNET-ASN - San Jacinto College District, US United States 4,352 0 IPv4 IPv4
AS46094 LEE-COLLEGE - Lee College, US United States 4,096 0 IPv4 IPv4
AS393355 SISA - SAMSUNG RESEARCH AMERICA, INC., US United States 512 0 IPv4 IPv4
AS396849 KPRC - GRAHAM MEDIA GROUP, HOUSTON, INC., US United States 256 0 IPv4 IPv4
IP Address Domain NUMs Domains
23.30.64.35 1 newmail.haulmarkservices.com
23.30.64.85 1 hq.enstep.com
23.30.65.98 1 time.geocontrol.net
23.30.65.203 5 mail.texasbluehouse.com
23.30.67.194 1 mail.mustangseal.com
23.30.68.25 2 ilaconepsychiatry.com
23.30.68.34 1 mail.rbhash.com
23.30.68.77 1 mail.alliedfireprotection.com
23.30.68.78 1 mail.gulfsurfer.org
23.30.68.82 1 www.glassuser.net
ASNumber:       33662
ASName:         CMCS
ASHandle:       AS33662
RegDate:        2005-02-16
Updated:        2016-08-31    
Ref:            https://rdap.arin.net/registry/autnum/33662


Comcast Cable Communications, LLC (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

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