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

AS11427 · TWC-11427-TEXAS

Charter Communications Inc

AS11427 is run by Charter Communications Inc and is a major transit provider, based in the United States since 2000. The system announces an impressive 5.8 million IPv4 addresses, including a /13, and supports IPv6. The bulk of its IP address space 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
April 30, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
405 / 355
IPv6 Prefixes (raw / aggregated)
17 / 10
IPv4 Addresses
5 827 840
Largest IPv4 Prefix
/13 (524 288 addresses)
Largest IPv6 Prefix
/27
Geolocated Countries
🇺🇸 United States (5 379 664 IPs), 🇦🇺 Australia (499 712 IPs), 🇭🇰 Hong Kong SAR China (512 IPs)
Prefix Changed
April 22, 2026

Reputation

Reputation
Good — 77 flagged IPs out of 5 827 840 total (0.00%)

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Downstream Customers
131 downstreams buying transit
Unclassified
6 unclassified BGP neighbors
Degree
140 unique BGP neighbors
Reach
154 networks in customer cone

Upstream Providers (3)

Prefix Lists

IPv4 Prefixes (405 total)

  • 72.176.0.0/13 (524 288 addresses (/13 prefix))
  • 70.112.0.0/13 (524 288 addresses (/13 prefix))
  • 173.172.0.0/14 (262 144 addresses (/14 prefix))
  • 76.184.0.0/14 (262 144 addresses (/14 prefix))
  • 70.120.0.0/14 (262 144 addresses (/14 prefix))
  • 66.68.0.0/15 (131 072 addresses (/15 prefix))
  • 72.190.0.0/15 (131 072 addresses (/15 prefix))
  • 35.146.0.0/15 (131 072 addresses (/15 prefix))
  • 24.242.0.0/15 (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))
  • 76.84.0.0/16 (65 536 addresses (/16 prefix))
  • 184.92.0.0/16 (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))
  • 71.78.0.0/16 (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))
  • 97.77.0.0/16 (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))
  • 98.6.0.0/16 (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))
  • 76.85.0.0/17 (32 768 addresses (/17 prefix))
  • 24.227.128.0/17 (32 768 addresses (/17 prefix))
  • 75.87.0.0/17 (32 768 addresses (/17 prefix))
  • 24.28.0.0/17 (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))
  • 70.125.128.0/17 (32 768 addresses (/17 prefix))
  • 75.81.0.0/17 (32 768 addresses (/17 prefix))
  • 47.3.128.0/17 (32 768 addresses (/17 prefix))
  • 24.170.0.0/17 (32 768 addresses (/17 prefix))
  • 71.40.0.0/17 (32 768 addresses (/17 prefix))
  • 24.162.0.0/17 (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))
  • 97.79.128.0/17 (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))
  • and 305 more

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