AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
COMCAST-21508 143 0 1,139,712 0 United States
1,139,712 IPv4 Addresses
CIDR Description IP Num
23.25.96.0/19 Comcast Cable Communications, LLC (CCCS) 8192
23.25.186.0/23 Comcast Cable Communications, LLC (CCCS) 512
23.31.96.0/20 Comcast Cable Communications, LLC 4096
23.71.40.0/23 Comcast Cable Communications, LLC (C07318626) 512
24.131.0.0/20 Comcast Cable Communications Holdings, Inc (C02609445) 4096
50.73.8.0/22 Comcast Cable Communications, LLC (CCCS) 1024
50.73.224.0/20 Comcast Cable Communications, LLC (CCCS) 4096
50.77.72.0/21 VELOCITEL (C03020044) 2048
50.78.232.0/21 Comcast Cable Communications, LLC (CCCS) 2048
50.193.246.0/23 Comcast Cable Communications, LLC (CCCS) 512
50.199.16.0/20 Comcast Cable Communications, LLC (CCCS) 4096
50.205.217.0/24 Comcast Cable Communications, LLC 256
50.210.0.0/20 Comcast Cable Communications, LLC (CCCS) 4096
50.211.32.0/19 Comcast Cable Communications, LLC 8192
50.240.80.0/20 Comcast Cable Communications, LLC 4096
50.242.32.0/19 Comcast Cable Communications, LLC (CCCS) 8192
50.245.224.0/19 Comcast Cable Communications, LLC 8192
50.251.112.0/20 Comcast Cable Communications, LLC (CCCS) 4096
50.253.208.0/20 Comcast Cable Communications, LLC (CCCS) 4096
64.139.66.0/24 Comcast Cable Communications, LLC (CCCS) 256
64.139.70.0/24 Comcast Cable Communications, LLC 256
64.139.79.0/24 Comcast Cable Communications, LLC (CCCS) 256
64.139.90.0/24 Comcast Cable Communications, LLC 256
66.208.224.0/23 Comcast Cable Communications, LLC (CCCS) 512
66.208.230.0/24 Comcast Cable Communications, LLC (CCCS) 256
66.208.234.0/24 Comcast Cable Communications, LLC (CCCS) 256
67.163.96.0/19 Comcast Cable Communications, Inc. (C01543873) 8192
67.166.160.0/19 Comcast Cable Communications, Inc. (C01600487) 8192
67.172.192.0/19 Comcast Cable Communications, LLC (CCCS) 8192
67.174.64.0/20 Comcast Cable Communications (C01615143) 4096
67.187.0.0/19 Comcast Cable Communications, Inc. (C01520263) 8192
68.85.70.0/23 Comcast Cable Communications, LLC 512
68.85.214.0/24 Comcast Cable Communications, Inc. (C01616542) 256
68.85.226.0/24 Comcast Cable Communications, Inc. (C01621977) 256
68.86.14.0/24 Comcast Cable Communications, Inc. (C01616570) 256
68.86.24.0/24 Comcast Cable Communications, Inc. (C01616570) 256
68.86.124.0/22 Comcast Cable Communications, Inc. (C01616566) 1024
68.86.172.0/22 Comcast Cable Communications, Inc. (C01616569) 1024
68.86.200.0/24 Comcast Cable Communications, Inc. (C01616569) 256
68.87.3.0/24 Comcast Cable Communications, Inc. (C01520065) 256
69.139.165.0/24 Comcast Cable Communications, Inc (C00762096) 256
69.139.186.0/24 Comcast Cable Communications, Inc (C00762094) 256
69.139.206.0/24 Comcast Cable Communications, Inc. (C02520192) 256
69.139.223.0/24 Comcast Cable Communications, LLC (CCCS) 256
69.241.48.0/23 Comcast Cable Communications, Inc. (C01623945) 512
69.241.85.0/24 Comcast Cable Communications, Inc. (C01543874) 256
69.243.208.0/20 Comcast Cable Communications, Inc. (C01336519) 4096
69.244.224.0/20 Comcast Cable Communications, Inc. (C01336518) 4096
69.252.18.0/23 Comcast Cable Communications, Inc. (C01520264) 512
70.88.24.0/23 Comcast Cable Communications, LLC (CCCS) 512
70.88.164.0/24 Comcast Cable Communications, LLC 256
70.88.168.0/23 Comcast Cable Communications, LLC 512
70.88.184.0/21 Comcast Cable Communications, LLC 2048
70.89.232.0/21 Comcast Cable Communications, LLC (CCCS) 2048
70.91.162.0/24 Comcast Cable Communications, LLC (CCCS) 256
71.56.160.0/19 Comcast Cable Communications Holdings, Inc (C02607882) 8192
71.57.192.0/19 Comcast Cable Communications Holdings, Inc (C02607886) 8192
71.62.0.0/16 Comcast Cable Communications Holdings, Inc (C02607898) 65536
71.63.0.0/17 Comcast Cable Communications Holdings, Inc (C02607899) 32768
71.197.0.0/20 Comcast Cable Communications, IP Services (C01249240) 4096
71.206.128.0/18 Comcast Cable Communications, IP Services (C01383484) 16384
71.207.128.0/19 Comcast Cable Communications, Inc. (C01520262) 8192
73.12.0.0/17 Comcast IP Services, L.L.C. (C05317702) 32768
73.31.0.0/16 Comcast IP Services, L.L.C. (C05456471) 65536
73.40.0.0/17 Comcast Cable Communications, LLC 32768
73.99.0.0/16 Comcast IP Services, L.L.C. (C06050265) 65536
73.147.0.0/16 Comcast IP Services, L.L.C. (C05647262) 65536
73.148.0.0/17 Comcast IP Services, L.L.C. (C05647261) 32768
73.152.0.0/16 Comcast Cable Communications, LLC 65536
73.171.0.0/17 Comcast IP Services, L.L.C. (C05217279) 32768
73.177.128.0/17 Comcast IP Services, L.L.C. (C04861633) 32768
73.216.0.0/16 Comcast Cable Communications, LLC 65536
73.251.0.0/16 Comcast Cable Communications, LLC 65536
74.92.186.0/23 Comcast Cable Communications, LLC (CCCS) 512
74.92.255.0/24 Comcast Cable Communications, LLC 256
74.93.116.0/22 Comcast Cable Communications, LLC 1024
74.94.208.0/21 Comcast Cable Communications, LLC 2048
74.95.96.0/22 Comcast Cable Communications, LLC 1024
75.75.0.0/18 Comcast Cable Communications Holdings, Inc (C02610786) 16384
75.75.64.0/21 Comcast Cable Communications Holdings, Inc (C02609459) 2048
75.75.80.0/20 Comcast Cable Communications Holdings, Inc (C02609461) 4096
75.75.96.0/19 Comcast Cable Communications Holdings, Inc (C02611439) 8192
75.144.34.0/23 Comcast Cable Communications, LLC (CCCS) 512
75.145.196.0/22 Comcast Cable Communications, LLC 1024
75.145.204.0/22 Comcast Cable Communications, LLC (CCCS) 1024
75.145.240.0/21 Comcast Cable Communications, LLC 2048
75.146.16.0/20 Comcast Cable Communications, LLC 4096
75.146.87.0/24 Comcast Cable Communications, LLC (CCCS) 256
75.150.48.0/20 Comcast Cable Communications, LLC (CCCS) 4096
76.26.64.0/19 Comcast Cable Communications, Inc. (C01616565) 8192
76.27.160.0/19 Comcast Cable Communications, Inc. (C01622089) 8192
76.78.84.0/24 Richard Bland College (C02077781) 256
76.104.0.0/17 Comcast Cable Communications, Inc. (C01618414) 32768
76.111.176.0/20 Comcast Cable Communications, Inc. (C01616540) 4096
76.120.192.0/18 Comcast Cable Communications, Inc. (C01743399) 16384
76.123.0.0/18 Comcast Cable Communications, Inc. (C01737776) 16384
96.75.192.0/19 Comcast Cable Communications, LLC 8192
96.82.0.0/20 Comcast Cable Communications, LLC 4096
96.82.24.0/21 Comcast Cable Communications, LLC (CCCS) 2048
96.84.224.0/20 Comcast Cable Communications, LLC 4096
96.85.32.0/20 Comcast Cable Communications, LLC 4096
96.89.0.0/19 Comcast Cable Communications, LLC 8192
96.94.208.0/20 Comcast Cable Communications, LLC (CCCS) 4096
96.108.106.0/23 Comcast Cable Communications, LLC (CCCS) 512
96.108.129.0/24 Comcast Cable Communications, LLC (CCCS) 256
96.108.130.0/23 Comcast Cable Communications, LLC (CCCS) 512
96.108.140.0/23 Comcast Cable Communications, LLC (CCCS) 512
96.109.65.0/24 Comcast Cable Communications, LLC (CCCS) 256
96.110.123.0/24 Comcast Cable Communications, LLC (CCCS) 256
96.110.200.0/22 Comcast Cable Communications, LLC (CCCS) 1024
96.114.56.0/23 Comcast Cable Communications, LLC (CCCS) 512
96.119.192.0/22 Comcast IP Services, L.L.C. (C02710155) 1024
96.124.244.0/22 Comcast Cable Communications, LLC (CCCS) 1024
98.244.64.0/18 Comcast Cable Communications, Inc. (C02010586) 16384
98.249.0.0/18 Comcast Cable Communications, Inc. (C02191482) 16384
141.104.0.0/24 Virginia Department of Education 256
141.104.0.0/16 Virginia Department of Education 65536
157.240.147.0/24 Facebook, Inc. 256
157.240.148.0/24 Facebook, Inc. 256
162.151.58.0/23 Comcast Cable Communications, LLC 512
162.151.162.0/23 Comcast Cable Communications, LLC 512
162.151.255.0/24 Comcast Cable Communications, LLC 256
172.244.3.0/24 Comcast Cable Communications, LLC 256
172.244.63.0/24 Comcast Cable Communications, LLC 256
172.244.89.0/24 Comcast Cable Communications, LLC (C04632799) 256
172.244.132.0/24 Comcast Cable Communications, LLC 256
172.244.182.0/24 Comcast Cable Communications, LLC 256
172.244.241.0/24 Comcast Cable Communications, LLC (C07039734) 256
172.244.252.0/23 Comcast Cable Communications, LLC (C07054118) 512
173.14.112.0/20 Comcast Cable Communications, LLC 4096
173.14.193.0/24 Comcast Cable Communications, LLC 256
173.15.192.0/20 Comcast Cable Communications, LLC (CCCS) 4096
173.163.192.0/20 Comcast Cable Communications, LLC 4096
173.167.32.0/20 Comcast Cable Communications, LLC 4096
173.167.48.0/22 Comcast Cable Communications, LLC (CCCS) 1024
173.167.52.0/22 Comcast Cable Communications, LLC (CCCS) 1024
173.167.80.0/22 Comcast Cable Communications, LLC 1024
173.242.174.0/24 County of Henrico 256
174.53.64.0/19 Comcast Cable Communications, Inc. (C02431736) 8192
192.100.76.0/24 Westlab Consulting 256
198.90.112.0/22 Elauwit Networks, LLC 1024
204.194.47.0/24 Va. Dept. of Rehabilitative Services 256
205.223.19.0/24 Virginia State Lottery Department 256
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7922 COMCAST-7922, US United States 71,163,392 36,318,243,520,512 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS19709 HX-ISP-CHO - Helix Computer Systems, Inc., US United States 2,048 0 IPv4 IPv4
AS32540 HP-HOOD - HP Hood, US United States 768 0 IPv4 IPv4
AS36179 VITA-DEM-1 - Virginia Information Technologies Agency (VITA), US United States 512 0 IPv4 IPv4
AS63071 STAFFORDCOUNTYPUBLICSCHOOLS - Stafford County Public Schools, US United States 768 0 IPv4 IPv4
AS393613 VACU-ASN-1 - Virginia Credit Union, Inc., US United States 512 0 IPv4 IPv4
AS396983 CHATMOSS - Chatmoss Cablevision Inc., US United States 2,304 0 IPv4 IPv4
AS27326 VHSA-AS - VCU HEALTH SYSTEM AUTHORITY, US United States 1,792 0 IPv4 IPv4
AS30299 THE-MARTIN-AGENCY-HQ - THE MARTIN AGENCY, US United States 256 0 IPv4 IPv4
AS53410 VA-DATACENTER - APPLIED SYSTEMS, INC, US United States 512 0 IPv4 IPv4
AS63253 USSFCU-AS - United States Senate Federal Credit Union, US United States 288 0 IPv4 IPv4
AS15173 NEWMA-11 - Newmarket Corporation, US United States 65,792 0 IPv4 IPv4
AS14583 VITA-VSP-1 - Virginia Information Technologies Agency (VITA), US United States 1,024 0 IPv4 IPv4
AS23209 VHDA20011260123220 - Virginia Housing Development Authority, US United States 512 0 IPv4 IPv4
AS63468 INFINITTNA - Infinitt North America, Inc., US United States 512 0 IPv4 IPv4
AS395772 AHC-AS - Augusta Health Care, Inc, US United States 768 0 IPv4 IPv4
AS396452 LOUDOUN-WATER - Loudoun Water, US United States 256 0 IPv4 IPv4
AS36244 SVEC - Shenandoah Valley Electric Cooperative, US United States 512 0 IPv4 IPv4
AS46643 VIRGINIA-COLLEGE-SAVINGS-PLAN - Virginia College Savings Plan, US United States 256 0 IPv4 IPv4
AS395527 VSU-NET - Virginia State University, US United States 65,536 0 IPv4 IPv4
AS40288 CFCU-AS - CONGRESSIONAL FEDERAL CREDIT UNION, US United States 512 0 IPv4 IPv4
AS46847 NEXVORTEX, US United States 4,864 0 IPv4 IPv4
AS54391 CRUTCHFIELD - Crutchfield New Media LLC, US United States 512 131,072 IPv4 IPv4 IPv6 IPv6
AS8360 Allianz Technology SE, DE Germany 512 0 IPv4 IPv4
AS40485 SSB - SANDY SPRING BANK, US United States 512 0 IPv4 IPv4
AS54883 CORVA - City of Richmond, Virginia, US United States 512 0 IPv4 IPv4
AS393591 GAMEWOODTECHNOLOGYGROUP - Gamewood Technology Group, Inc., US United States 1,536 0 IPv4 IPv4
AS395441 EDGECONNEX-ASN - EdgeConneX, INC, US United States 256 0 IPv4 IPv4
AS13335 CLOUDFLARENET - Cloudflare, Inc., US United States 1,497,344 320,733,184 IPv4 IPv4 IPv6 IPv6
AS19923 SHENANDOAH-UNIV - Shenandoah University, US United States 2,048 0 IPv4 IPv4
AS40323 VAFB - Virginia Farm Bureau Mutual Insurance Company, US United States 256 0 IPv4 IPv4
AS62971 COUNTY-OF-CHESTERFIELD-VA - County of Chesterfield, US United States 256 0 IPv4 IPv4
AS394058 TELOSC-ASH - Telos Corporation, US United States 512 0 IPv4 IPv4
AS395444 MERIT-RICHMOND - Merit Medical Systems, Inc, US United States 256 0 IPv4 IPv4
AS396017 COMCAST-D - Comcast Cable Communications, LLC, US United States 256 0 IPv4 IPv4
IP Address Domain NUMs Domains
23.25.96.49 2 mail.rvcds.org
23.25.96.145 2 autodiscover.jabacares.org
23.25.96.147 1 support.jabacares.org
23.25.96.221 2 boothvibrationeliminator.com
23.25.96.245 2 ahoque.net
23.25.97.177 1 23-25-97-177-static.hfc.comcastbusiness.net
23.25.97.253 4 davidjessepowell.com
23.25.98.42 1 mail2.colonialshooting.com
23.25.98.113 1 vpn.dumbartonproperties.com
23.25.99.5 1 mail.petersons1.com
ASNumber:       21508
ASName:         COMCAST-21508
ASHandle:       AS21508
RegDate:        2001-05-15
Updated:        2016-08-31    
Ref:            https://rdap.arin.net/registry/autnum/21508


Comcast Cable Communications, LLC (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