$ query “AS11427” --type=asn → 1 result(s)

AS11427 · TWC-11427-TEXAS

Charter Communications Inc

AS11427 is owned by Charter Communications Inc and is a major transit provider, registered in the United States since 2000. The system announces an impressive 5.8 million IPv4 addresses, including a /13, and supports IPv6. Its primary geographic footprint is in the United States, with additional presence in Australia and Hong Kong SAR China.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇺🇸 United States
Category
Internet Service Provider
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
June 09, 2000
Last Changed
March 04, 2026
Last Seen
July 12, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
404 / 354
IPv6 Prefixes (raw / aggregated)
17 / 10
IPv4 Addresses
5 823 744
Largest IPv4 Prefix
/13 (524 288 addresses)
Largest IPv6 Prefix
/27
Geolocated Countries
🇺🇸 United States (5 605 568 IPs), 🇦🇺 Australia (522 400 IPs), 🇭🇰 Hong Kong SAR China (512 IPs)
Prefix Changed
June 06, 2026

Reputation

Reputation
Good — 64 flagged IPs out of 5 823 744 total (0.00%)

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Downstream Customers
123 downstreams buying transit
Unclassified
10 unclassified BGP neighbors
Degree
136 unique BGP neighbors
Reach
147 networks in customer cone

Upstream Providers (3)

Prefix Lists

IPv4 Prefixes (404 total)

  • 72.176.0.0/13 (524 288 addresses (/13 prefix))
  • 70.112.0.0/13 (524 288 addresses (/13 prefix))
  • 70.120.0.0/14 (262 144 addresses (/14 prefix))
  • 173.172.0.0/14 (262 144 addresses (/14 prefix))
  • 76.184.0.0/14 (262 144 addresses (/14 prefix))
  • 35.146.0.0/15 (131 072 addresses (/15 prefix))
  • 24.242.0.0/15 (131 072 addresses (/15 prefix))
  • 66.68.0.0/15 (131 072 addresses (/15 prefix))
  • 72.190.0.0/15 (131 072 addresses (/15 prefix))
  • 67.10.0.0/15 (131 072 addresses (/15 prefix))
  • 97.98.0.0/15 (131 072 addresses (/15 prefix))
  • 98.6.0.0/16 (65 536 addresses (/16 prefix))
  • 97.77.0.0/16 (65 536 addresses (/16 prefix))
  • 50.84.0.0/16 (65 536 addresses (/16 prefix))
  • 65.84.0.0/16 (65 536 addresses (/16 prefix))
  • 150.220.0.0/16 (65 536 addresses (/16 prefix))
  • 68.206.0.0/16 (65 536 addresses (/16 prefix))
  • 184.92.0.0/16 (65 536 addresses (/16 prefix))
  • 68.203.0.0/16 (65 536 addresses (/16 prefix))
  • 68.201.0.0/16 (65 536 addresses (/16 prefix))
  • 76.84.0.0/16 (65 536 addresses (/16 prefix))
  • 98.156.0.0/16 (65 536 addresses (/16 prefix))
  • 192.63.0.0/16 (65 536 addresses (/16 prefix))
  • 71.78.0.0/16 (65 536 addresses (/16 prefix))
  • 76.183.0.0/16 (65 536 addresses (/16 prefix))
  • 97.105.0.0/16 (65 536 addresses (/16 prefix))
  • 70.124.0.0/16 (65 536 addresses (/16 prefix))
  • 71.40.0.0/17 (32 768 addresses (/17 prefix))
  • 24.227.128.0/17 (32 768 addresses (/17 prefix))
  • 97.79.128.0/17 (32 768 addresses (/17 prefix))
  • 70.125.128.0/17 (32 768 addresses (/17 prefix))
  • 24.167.0.0/17 (32 768 addresses (/17 prefix))
  • 76.92.128.0/17 (32 768 addresses (/17 prefix))
  • 67.79.0.0/17 (32 768 addresses (/17 prefix))
  • 24.175.0.0/17 (32 768 addresses (/17 prefix))
  • 47.3.128.0/17 (32 768 addresses (/17 prefix))
  • 76.85.0.0/17 (32 768 addresses (/17 prefix))
  • 75.87.0.0/17 (32 768 addresses (/17 prefix))
  • 24.170.0.0/17 (32 768 addresses (/17 prefix))
  • 75.81.0.0/17 (32 768 addresses (/17 prefix))
  • 24.28.0.0/17 (32 768 addresses (/17 prefix))
  • 66.25.128.0/17 (32 768 addresses (/17 prefix))
  • 184.93.0.0/17 (32 768 addresses (/17 prefix))
  • 24.162.0.0/17 (32 768 addresses (/17 prefix))
  • 65.85.128.0/17 (32 768 addresses (/17 prefix))
  • 69.76.128.0/17 (32 768 addresses (/17 prefix))
  • 24.27.0.0/17 (32 768 addresses (/17 prefix))
  • 150.221.128.0/17 (32 768 addresses (/17 prefix))
  • 24.153.128.0/17 (32 768 addresses (/17 prefix))
  • 70.94.0.0/17 (32 768 addresses (/17 prefix))

IPv6 Prefixes (17 total)

  • 2603:8080::/27
  • 2603:80a0::/28
  • 2605:6000::/31
  • 2600:6c4d::/32
  • 2603:80bd::/32
  • 2603:90bc::/32
  • 2605:ed00::/32
  • 2602:107:4c00::/40
  • 2602:107:e500::/40
  • 2602:107:4010::/44