Autonomous System

AS20001 Charter Communications Inc

ISPActiveUnited StatesARIN

AS20001 (TWC-20001-PACWEST) is an ISP network operated by Charter Communications Inc in United States, registered with ARIN. It has 601 IPv4 prefixes with 8,243,968 addresses and 35 IPv6 prefixes, which makes it the 80th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses8,243,968in 601 prefixes
IPv6 prefixes35≈ 2.0 × 10³⁰ addresses
Size rank#80of 82,200 active ASNs
Abuser scoreLow0.14% of its addresses flagged · method

Details

OrganizationCharter Communications Inc
AS nameTWC-20001-PACWEST
Websitecharter.com
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactabuse@charter.net
Registered2001-03-13
Last updated2018-11-27

IPv4 prefixes

601 prefixes · 8,243,968 addresses
NetworkAddressesFirst – last address
76.168.0.0/13524,28876.168.0.0 – 76.175.255.255
172.112.0.0/13524,288172.112.0.0 – 172.119.255.255
23.240.0.0/14262,14423.240.0.0 – 23.243.255.255
45.48.0.0/14262,14445.48.0.0 – 45.51.255.255
76.80.0.0/14262,14476.80.0.0 – 76.83.255.255
98.152.0.0/14262,14498.152.0.0 – 98.155.255.255
104.32.0.0/14262,144104.32.0.0 – 104.35.255.255
104.172.0.0/14262,144104.172.0.0 – 104.175.255.255
172.88.0.0/14262,144172.88.0.0 – 172.91.255.255
172.248.0.0/14262,144172.248.0.0 – 172.251.255.255
66.74.0.0/15131,07266.74.0.0 – 66.75.255.255
75.82.0.0/15131,07275.82.0.0 – 75.83.255.255
75.84.0.0/15131,07275.84.0.0 – 75.85.255.255
76.32.0.0/15131,07276.32.0.0 – 76.33.255.255
76.50.0.0/15131,07276.50.0.0 – 76.51.255.255
76.86.0.0/15131,07276.86.0.0 – 76.87.255.255
76.90.0.0/15131,07276.90.0.0 – 76.91.255.255
76.94.0.0/15131,07276.94.0.0 – 76.95.255.255
76.166.0.0/15131,07276.166.0.0 – 76.167.255.255
98.148.0.0/15131,07298.148.0.0 – 98.149.255.255
98.150.0.0/15131,07298.150.0.0 – 98.151.255.255
24.43.0.0/1665,53624.43.0.0 – 24.43.255.255
50.113.0.0/1665,53650.113.0.0 – 50.113.255.255
66.27.0.0/1665,53666.27.0.0 – 66.27.255.255
66.75.0.0/1665,53666.75.0.0 – 66.75.255.255
The 25 largest of 601. The API and the database have all of them.

IPv6 prefixes

35 prefixes
  • 2603:8000::/28
  • 2603:800c::/30
  • 2600:5c00::/32
  • 2603:803d::/32
  • 2605:e000::/32
  • 2606:6000::/32
  • 2603:8020::/33
  • 2600:5c00:2000::/36
  • 2605:e000:c000::/36
  • 2605:e000:d000::/36
  • 2605:e000:e000::/37
  • 2605:e000:e800::/38
  • 2605:e000:ec00::/39
  • 2602:107:4e00::/40
  • 2602:107:e300::/40
  • 2602:107:e600::/40
  • 2603:8001:cb00::/40
  • 2603:8001:cc00::/40
  • 2605:e000:1100::/40
  • 2605:e000:ee00::/40
  • 2605:e000:ef00::/41
  • 2605:e000:ef80::/42
  • 2605:e000:efc0::/42
  • 2600:6c7f:93c0::/44
  • 2600:6c7f:9410::/44
The 25 largest of 35. The API and the database have all of them.

Query AS20001 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=AS20001&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS20001, with or without a key:

curl "https://api.ipapi.is/?q=76.168.0.1"

Other networks of Charter Communications Inc

6 of 14
AS10796 Charter Communications Inc9,848,832 IPv4 addressesAS33363 Charter Communications, Inc6,348,288 IPv4 addressesAS11427 Charter Communications Inc5,886,976 IPv4 addressesAS11426 Charter Communications Inc4,478,720 IPv4 addressesAS11351 Charter Communications Inc4,324,608 IPv4 addressesAS12271 Charter Communications Inc2,866,688 IPv4 addresses

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