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ISP

Comcast Cable Communications, LLC

Comcast Cable Communications, LLC uses 68,615,382 IPv4 addresses in 94,047 ranges, and 4,177 IPv6 ranges, by the registry records IP Company reads.

comcast.com·United States

68,615,382
IPv4 addresses
94,047
IPv4 ranges
4,177
IPv6 ranges
58
ASes it operates
3
countries

About the company

Who it is, where it is registered and who owns it.

Description
American cable provider
Founded
1981
Headquarters
Philadelphia
Industry
cable television, home security, internet service provider, mobile network operator, telecommunications industry

Who routes its space

The networks announcing its IPv4, by the addresses each announces.

  1. AS7922 Comcast Cable Communications, LLC66,174,657 · 96.44%
  2. AS212465 Comcast International Holdings UK Limited41,984 · 0.06%
  3. AS19855 Masergy Communications, Inc.32,768 · 0.05%
  4. AS33491 Comcast Cable Communications, LLC19,172 · 0.03%
  5. AS33651 Comcast Cable Communications, LLC16,119 · 0.02%
  6. AS7015 Comcast Cable Communications, LLC14,322 · 0.02%
  7. AS17035 NBCUniversal12,032 · 0.02%
  8. AS7018 AT&T Enterprises, LLC9,268 · 0.01%
  9. AS6079 RCN7,936 · 0.01%
  10. AS33287 Comcast Cable Communications, LLC7,420 · 0.01%
  11. AS33652 Comcast Cable Communications, LLC7,166 · 0.01%
  12. AS7016 Comcast Cable Communications, LLC6,647 · 0.01%

Where its space is

Its IPv4 that IP Geolocation places, by country. A /24 counts for the company using most of it.

  1. United States69,884,156 · 100.00%
  2. United Kingdom1,280 · 0.00%
  3. Indonesia4 · 0.00%

Networks it operates

The autonomous systems registered under its domain, by the IPv4 each announces anywhere.

top 50 of 58
ASNNAMETYPEREGISTEREDIPV4
AS7922Comcast Cable Communications, LLCISPUnited States67,776,512
AS20214Comcast Cable Communications, LLCISPUnited States136,192
AS21508Comcast Cable Communications, LLCISPUnited States70,400
AS33491Comcast Cable Communications, LLCISPUnited States47,616
AS33651Comcast Cable Communications, LLCISPUnited States47,616
AS7015Comcast Cable Communications, LLCISPUnited States46,080
AS212465Comcast International Holdings UK LimitedISPUnited Kingdom41,984
AS33667Comcast Cable Communications, LLCISPUnited States36,608
AS33659Comcast Cable Communications, LLCISPUnited States29,440
AS33652Comcast Cable Communications, LLCISPUnited States14,080
AS33490Comcast Cable Communications, LLCISPUnited States13,312
AS7016Comcast Cable Communications, LLCISPUnited States13,056
AS33657Comcast Cable Communications, LLCISPUnited States11,520
AS7725Comcast Cable Communications, LLCISPUnited States10,496
AS33287Comcast Cable Communications, LLCISPUnited States9,216
AS33668Comcast Cable Communications, LLCISPUnited States6,656
AS33650Comcast Cable Communications, LLCISPUnited States4,096
AS33489Comcast Cable Communications, LLCISPUnited States2,304
AS33660Comcast Cable Communications, LLCISPUnited States2,304
AS13367Comcast Cable Communications, LLCISPUnited States1,792
AS33661Comcast Cable Communications, LLCISPUnited States1,792
AS14042Comcast Cable Communications Management, LLCISPUnited States1,536
AS22909Comcast Cable Communications, LLCISPUnited States1,536
AS22258Comcast Cable Communications, LLCISPUnited States1,280
AS396021Comcast Cable Communications, LLCISPUnited States1,280
AS33666Comcast Cable Communications, LLCISPUnited States768
AS202149Comcast International Holdings UK LimitedISPUnited Kingdom768
AS395974Comcast Cable Communications, LLCISPUnited States512
AS395976Comcast Cable Communications, LLCISPUnited States512
AS395980Comcast Cable Communications, LLCISPUnited States512
AS396017Comcast Cable Communications, LLCISPUnited States512
AS36732Comcast Cable Communications, LLCISPUnited States256
AS396019Comcast Cable Communications, LLCISPUnited States256
AS396415Comcast Cable Communications, LLCISPUnited States256
AS6161Comcast Cable Communications, LLCISPUnited States0
AS7757Comcast Cable Communications, LLCISPUnited States0
AS7853Comcast Cable Communications, LLCISPUnited States0
AS11025Comcast Cable Communications, LLCISPUnited States0
AS13385Comcast Cable Communications, LLCISPUnited States0
AS14668Comcast Cable Communications, LLCISPUnited States0
AS16748Comcast Cable Communications, LLCISPUnited States0
AS23253Comcast Cable Communications, LLCISPUnited States0
AS23266Comcast Cable Communications, LLCISPUnited States0
AS33351Comcast Cable Communications, LLCISPUnited States0
AS33542Comcast Cable Communications, LLCISPUnited States0
AS33653Comcast Cable Communications, LLCISPUnited States0
AS33654Comcast Cable Communications, LLCISPUnited States0
AS33655Comcast Cable Communications, LLCISPUnited States0
AS33656Comcast Cable Communications, LLCISPUnited States0
AS33658Comcast Cable Communications, LLCISPUnited States0

How its networks peer

Each network's peering policy, traffic, ratio and reach as its operator states them, with the internet exchanges and facilities it is at.

ASNPOLICYTRAFFICRATIOSCOPEEXCHANGESFACILITIES
AS7922Selective1-5TbpsBalancedNorth America027
AS20214RestrictiveRegional01
AS21508RestrictiveRegional01
AS33491RestrictiveRegional01
AS33651RestrictiveRegional01
AS7015RestrictiveRegional02
AS33667RestrictiveRegional01
AS33659RestrictiveRegional00
AS33652RestrictiveRegional01
AS33490RestrictiveRegional01
AS7016RestrictiveRegional01
AS33657RestrictiveRegional01
AS7725RestrictiveRegional01
AS33287OpenRegional00
AS33668RestrictiveRegional01
AS33650RestrictiveRegional01
AS33489RestrictiveRegional01
AS33660RestrictiveRegional01
AS13367RestrictiveRegional01
AS33661RestrictiveRegional00
AS22909RestrictiveRegional01
AS22258RestrictiveRegional01
AS33666RestrictiveRegional01
AS33653RestrictiveRegional00
AS33654RestrictiveRegional00
AS33655RestrictiveRegional00
AS33656RestrictiveRegional00
AS3366300
AS33665RestrictiveRegional00

Facilities

The datacenters and colocation sites its networks are in: 46 in one country.

FACILITYWHERE
Digital Realty IAD (43940 Digital Loudoun)Ashburn, United States
Equinix DC1-DC15,DC21-DC22 - AshburnAshburn, United States
Digital Realty ATL13 - AtlantaAtlanta, United States
EdgeConneX Atlanta (EDCATL01)Atlanta, United States
H5 Data Centers AtlantaAtlanta, United States
EdgeConneX Boston (EDCBOS01)Billerica, United States
Markley Group One Summer Street BostonBoston, United States
Equinix CH1/CH2/CH4 - ChicagoChicago, United States
Level(3) Chicago (Kingsbury)Chicago, United States
Equinix DA1 - DallasDallas, United States
Level(3) DallasDallas, United States
CoreSite - Denver (DE1)Denver, United States
EdgeConneX Minneapolis (EDCMSP01)Eden Prairie, United States
EdgeConneX Denver (EDCDEN01)Englewood, United States
EdgeConneX Portland (EDCPOR01)Hillsboro, United States
Databank Houston West (HOU1) (HOU2)Houston, United States
EdgeConneX Jacksonville (EDCJAX01)Jacksonville, United States
Lumen JacksonvilleJacksonville, United States
CoreSite - Los Angeles (LA1) One WilshireLos Angeles, United States
Equinix LA1 - Los AngelesLos Angeles, United States
EdgeConneX Memphis (EDCMEM01)Memphis, United States
EdgeConneX Miami (EDCMIA01)Miami, United States
Equinix MI1 - Miami, NOTAMiami, United States
Level(3) Miami (5th St)Miami, United States
EdgeConneX Nashville (EDCNAS01)Nashville, United States
Level(3) Nashville (Sidco Drive)Nashville, United States
DataBank New York (LGA1)New York, United States
Digital Realty NYC (111 8th Ave)New York, United States
Lumen New YorkNew York, United States
DataBank Newark (EWR1)Newark, United States
Ascent - CH2Northlake, United States
Equinix SV8 - Silicon Valley, Palo AltoPalo Alto, United States
Lumen PhiladelphiaPhiladelphia, United States
EdgeConneX Pittsburgh (EDCPIT01)Pittsburgh, United States
Lumen PittsburghPittsburgh, United States
Lumen PortlandPortland, United States
EdgeConneX Sacramento (EDCSAC01)Rancho Cordova, United States
EdgeConneX Richmond (EDCRIC01)Richmond, United States
EdgeConneX Salt Lake City (EDCSLC01)Salt Lake City, United States
Equinix SV1/SV5/SV10 - Silicon Valley, San JoseSan Jose, United States
CoreSite - Santa Clara (SV4)Santa Clara, United States
Equinix SE2/SE3 - SeattleSeattle, United States
EdgeConneX Detroit (EDCDET01)Southfield, United States
Level(3) SunnyvaleSunnyvale, United States
EdgeConneX Tallahassee (EDCTAL01)Tallahassee, United States
EdgeConneX Seattle (EDCSEA01)Tukwila, United States

What the databases see

Addresses each address-keyed database holds in its IPv4, as a share of it, with the largest providers. A /24 counts for the company using most of it; counts overlap.

Speed tests

Speeds measured from its space in the last 90 days.

From M-Lab
117 Mbps
median download
33.7 Mbps
median upload
986,154
download tests
1,024,271
upload tests

Its address ranges

Its largest IPv4 ranges, then its IPv6 ones, as IP Company draws them, with the network announcing each.

first 100 of 98,224
RANGEIPV4ORIGIN
73.160.0.0-73.203.183.1722,865,069AS7922
76.128.0.0-76.158.255.2552,031,616AS7922
96.160.0.0-96.190.255.2552,031,616
73.76.5.91-73.98.127.2551,473,189AS7922
76.102.167.135-76.124.255.2551,464,441AS7922
96.140.128.0-96.159.255.2551,277,952AS7922
174.161.0.0-174.179.255.2551,245,184AS7922
98.237.153.207-98.255.255.2551,205,809AS7922
73.99.0.0-73.116.172.591,158,204AS7922
98.208.0.0/121,048,576AS7922
73.24.64.0-73.39.255.2551,032,192AS7922
50.129.56.94-50.144.2.19969,142AS7922
67.177.128.0-67.191.255.255950,272AS7922
73.48.96.0-73.60.212.82816,211AS7922
24.12.0.0/1424.16.0.0/13786,432AS7922
96.128.0.0/1396.136.0.0/14786,432AS7922
68.32.64.0-68.44.20.53775,222AS7922
73.120.0.0-73.131.191.255770,048AS7922
71.228.192.0-71.239.255.255737,280AS7922
74.22.32.0-74.31.255.255647,168AS7922
98.192.0.0-98.201.58.145604,818AS7922
73.67.0.0-73.76.5.89591,194AS7922
75.66.232.59-75.75.191.255579,525AS7922
98.55.128.0/1798.56.0.0/13557,056AS7922
98.35.192.0/1898.36.0.0/1498.40.0.0/14540,672AS7922
69.247.240.0/2069.248.0.0/13528,384AS7922
68.80.0.0/13524,288AS7922
96.108.0.0/1496.112.0.0/14524,288AS7922
96.192.0.0/13524,288AS7922
96.216.0.0/13524,288AS7922
67.164.248.0-67.172.191.255509,952AS7922
73.243.127.193-73.250.255.255491,583AS7922
184.108.0.0-184.115.127.255491,520AS7922
98.225.0.0-98.232.123.35490,276AS7922
50.176.240.0-50.183.255.255462,848AS7922
73.218.0.0/1573.220.0.0/1473.224.0.0/16458,752AS7922
73.140.236.198-73.147.216.148453,583AS7922
50.161.32.0-50.167.255.255450,560AS7922
76.96.0.0-76.102.167.133436,102AS7922
98.48.128.0-98.54.255.255425,984AS7922
73.237.0.0-73.243.127.191425,920AS7922
73.208.167.175-73.214.255.255415,825AS7922
68.57.192.0/1868.58.0.0/1568.60.0.0/14409,600AS7922
73.134.185.229-73.140.236.196406,240AS7922
71.58.30.249-71.63.255.255385,287AS7922
73.0.0.0-73.5.191.255376,832AS7922
71.199.224.0-71.205.137.191371,136AS7922
24.6.49.45-24.11.191.255364,243AS7922
73.60.212.84-73.65.255.255338,860AS7922
24.124.128.0-24.129.127.255327,680AS7922
73.203.183.174-73.208.167.173323,584AS7922
174.54.0.0-174.58.191.255311,296AS7922
73.43.0.0-73.47.163.147304,020AS7922
98.233.0.0-98.237.153.205301,518AS7922
69.139.120.0/2169.139.128.0/1769.140.0.0/14296,960AS7922
98.203.128.0/1798.204.0.0/14294,912AS7922
174.48.0.0-174.52.112.32290,849AS7922
76.22.0.0-76.26.111.255290,816AS7922
68.47.144.0-68.51.223.255282,624AS7922
76.16.0.0/1476.20.0.0/18278,528AS7922
96.95.209.252-96.99.255.255273,924AS7922
73.147.216.150-73.151.255.255272,234AS7922
174.184.0.0/14262,144AS7922
24.60.0.0/14262,144AS7922
69.240.0.0/14262,144AS7922
73.12.0.0/14262,144AS7922
73.230.0.0/1573.232.0.0/15262,144AS7922
73.252.0.0/14262,144AS7922
96.100.0.0/14262,144AS7922
96.208.0.0/14262,144AS7922
96.212.0.0/14262,144AS7922
184.124.4.0-184.127.255.255261,120AS7922
68.52.0.0-68.55.244.234259,307AS7922
24.2.66.148-24.6.49.43257,688AS7922
73.6.189.149-73.10.147.209251,453AS7922
71.196.0.0-71.199.207.255249,856AS7922
74.18.64.0-74.21.255.255245,760AS7922
71.225.33.147-71.228.175.255233,069AS7922
71.192.0.0/1571.194.0.0/1671.195.0.0/17229,376AS7922
96.104.128.0/1796.105.0.0/1696.106.0.0/15229,376AS7922
68.44.20.55-68.47.127.255224,201AS7922
184.120.192.0/18184.121.0.0/16184.122.0.0/15212,992AS7922
96.116.0.0/1596.118.0.0/16196,608AS7922
98.32.0.0/1598.34.0.0/16196,608AS7922
98.45.0.0/1698.46.0.0/15196,608AS7922
75.64.0.0-75.66.232.57190,522AS7922
96.122.68.0-96.124.255.255179,200AS7922
73.132.0.0-73.134.185.227178,660AS7922
107.2.0.0/15107.4.0.0/17163,840AS7922
76.27.0.0/1676.28.0.0/1676.29.0.0/17163,840AS7922
184.115.132.0-184.118.2.255163,584AS7922
174.181.65.180-174.183.183.124161,225AS7922
76.125.16.0-76.127.127.255159,744AS7922
67.174.217.135-67.177.63.255157,305AS7922
73.20.10.31-73.22.110.196156,838AS7922
76.29.160.0/1976.29.192.0/1876.30.0.0/15155,648AS7922
73.116.172.61-73.118.255.255152,515AS7922
24.0.0.0-24.2.66.146148,115AS7922
67.162.176.0-67.164.232.255145,664AS7922
71.56.0.0-71.58.30.247139,000AS7922

Names it registers under

The holder names its registry records give, by the IPv4 under each.

  1. Comcast Cable Communications, LLC68,456,245 · 99.77%
  2. Comcast Cable Communications133,136 · 0.19%
  3. COMCAST BUSINESS COMMUNICATIO8,896 · 0.01%
  4. COMCAST CABLE8,696 · 0.01%
  5. Comcast Cable Communications Management, LLC2,128 · 0.00%
  6. Comcast Business Communications, LLC1,312 · 0.00%
  7. Comcast International Holdings UK Limited1,280 · 0.00%
  8. COMCAST-WIRED512 · 0.00%
  9. Comcast Boston512 · 0.00%
  10. COMCAST BUSINESS COMMUNICATIONS402 · 0.00%
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