Autonomous System

AS33491 Comcast Cable Communications, LLC

ISPActiveUnited StatesARIN

AS33491 (COMCAST-33491) is an ISP network operated by Comcast Cable Communications, LLC in United States, registered with ARIN. It has 86 IPv4 prefixes with 48,128 addresses and 202 IPv6 prefixes, which makes it the 4,423rd largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses48,128in 86 prefixes
IPv6 prefixes202≈ 2.4 × 10²⁶ addresses
Size rank#4,423of 82,200 active ASNs
Abuser scoreVery Low0.02% of its addresses flagged · method

Details

OrganizationComcast Cable Communications, LLC
AS nameCOMCAST-33491
Websitecomcast.com
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactabuse@comcast.net
Registered2004-12-30
Last updated2021-01-25

IPv4 prefixes

86 prefixes · 48,128 addresses
NetworkAddressesFirst – last address
209.153.0.0/1816,384209.153.0.0 – 209.153.63.255
164.68.64.0/204,096164.68.64.0 – 164.68.79.255
164.68.80.0/212,048164.68.80.0 – 164.68.87.255
50.220.4.0/221,02450.220.4.0 – 50.220.7.255
50.229.76.0/221,02450.229.76.0 – 50.229.79.255
164.68.88.0/221,024164.68.88.0 – 164.68.91.255
50.205.54.0/2351250.205.54.0 – 50.205.55.255
50.220.130.0/2351250.220.130.0 – 50.220.131.255
50.224.140.0/2351250.224.140.0 – 50.224.141.255
107.0.96.0/23512107.0.96.0 – 107.0.97.255
107.1.102.0/23512107.1.102.0 – 107.1.103.255
164.68.92.0/23512164.68.92.0 – 164.68.93.255
164.68.94.0/23512164.68.94.0 – 164.68.95.255
205.167.202.0/23512205.167.202.0 – 205.167.203.255
24.104.47.0/2425624.104.47.0 – 24.104.47.255
50.201.119.0/2425650.201.119.0 – 50.201.119.255
50.201.191.0/2425650.201.191.0 – 50.201.191.255
50.202.73.0/2425650.202.73.0 – 50.202.73.255
50.203.174.0/2425650.203.174.0 – 50.203.174.255
50.203.242.0/2425650.203.242.0 – 50.203.242.255
50.204.23.0/2425650.204.23.0 – 50.204.23.255
50.204.189.0/2425650.204.189.0 – 50.204.189.255
50.205.166.0/2425650.205.166.0 – 50.205.166.255
50.206.250.0/2425650.206.250.0 – 50.206.250.255
50.207.233.0/2425650.207.233.0 – 50.207.233.255
The 25 largest of 86. The API and the database have all of them.

IPv6 prefixes

202 prefixes
  • 2001:559:26::/48
  • 2001:559:2f::/48
  • 2001:559:35::/48
  • 2001:559:49::/48
  • 2001:559:7e::/48
  • 2001:559:7f::/48
  • 2001:559:b0::/48
  • 2001:559:b1::/48
  • 2001:559:bd::/48
  • 2001:559:be::/48
  • 2001:559:c9::/48
  • 2001:559:ca::/48
  • 2001:559:12d::/48
  • 2001:559:134::/48
  • 2001:559:146::/48
  • 2001:559:148::/48
  • 2001:559:15d::/48
  • 2001:559:1d6::/48
  • 2001:559:1e3::/48
  • 2001:559:1e5::/48
  • 2001:559:1fc::/48
  • 2001:559:1ff::/48
  • 2001:559:204::/48
  • 2001:559:221::/48
  • 2001:559:222::/48
The 25 largest of 202. The API and the database have all of them.

Query AS33491 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS33491&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS33491, with or without a key:

curl "https://api.ipapi.is/?q=209.153.0.1"

Other networks of Comcast Cable Communications, LLC

6 of 11
AS7922 Comcast Cable Communications, LLC68,336,896 IPv4 addressesAS20214 Comcast Cable Communications, LLC140,544 IPv4 addressesAS33651 Comcast Cable Communications, LLC83,456 IPv4 addressesAS21508 Comcast Cable Communications, LLC70,144 IPv4 addressesAS7015 Comcast Cable Communications, LLC47,104 IPv4 addressesAS33659 Comcast Cable Communications, LLC31,488 IPv4 addresses

Largest networks in United States

AS749 United States Department of Defense (DoD)227,464,192 IPv4 addressesAS16509 Amazon.com, Inc.218,038,784 IPv4 addressesAS7018 AT&T Enterprises, LLC117,262,080 IPv4 addressesAS8075 Microsoft Corporation81,463,040 IPv4 addressesAS721 United States Department of Defense (DoD)73,070,080 IPv4 addressesAS7922 Comcast Cable Communications, LLC68,336,896 IPv4 addresses