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

AS11427 — TWC-11427-TEXAS

Charter Communications Inc

AS11427 is a major transit provider operated by Charter Communications Inc, based in the United States since 2000. The network announces an impressive 5.6 million IPv4 addresses, including a /13. Supports IPv6.

  • 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
March 04, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
288 / 238
IPv6 Prefixes (raw / aggregated)
17 / 10
IPv4 Addresses
5 570 560
Largest IPv4 Prefix
/13 (524 288 addresses)
Largest IPv6 Prefix
/27
Geolocated Countries
🇺🇸 US (1 068 IPs), 🇦🇺 AU (17 IPs), 🇭🇰 HK (2 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 69 flagged IPs out of 5 570 560 total (0.00%)
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
3 upstream autonomous systems providing transit
Peers
0 autonomous systems exchanging traffic without transit fees
Downstream Customers
129 downstream autonomous systems buying transit
Degree
138 unique BGP neighbors (providers + customers + peers)
Reach
150 — customer cone size measuring network influence
Degree Rank
#1 067
Reach Rank
#900

Upstream Providers (3)

Prefix Lists

IPv4 Prefixes (288 total)

  • 70.112.0.0/13 (524 288 addresses)
  • 72.176.0.0/13 (524 288 addresses)
  • 70.120.0.0/14 (262 144 addresses)
  • 76.184.0.0/14 (262 144 addresses)
  • 173.172.0.0/14 (262 144 addresses)
  • 24.242.0.0/15 (131 072 addresses)
  • 35.146.0.0/15 (131 072 addresses)
  • 66.68.0.0/15 (131 072 addresses)
  • 67.10.0.0/15 (131 072 addresses)
  • 72.190.0.0/15 (131 072 addresses)
  • 97.98.0.0/15 (131 072 addresses)
  • 50.84.0.0/16 (65 536 addresses)
  • 65.84.0.0/16 (65 536 addresses)
  • 68.201.0.0/16 (65 536 addresses)
  • 68.203.0.0/16 (65 536 addresses)
  • 68.206.0.0/16 (65 536 addresses)
  • 70.124.0.0/16 (65 536 addresses)
  • 71.78.0.0/16 (65 536 addresses)
  • 76.84.0.0/16 (65 536 addresses)
  • 76.183.0.0/16 (65 536 addresses)
  • 97.77.0.0/16 (65 536 addresses)
  • 97.105.0.0/16 (65 536 addresses)
  • 98.6.0.0/16 (65 536 addresses)
  • 98.156.0.0/16 (65 536 addresses)
  • 150.220.0.0/16 (65 536 addresses)
  • 184.92.0.0/16 (65 536 addresses)
  • 192.63.0.0/16 (65 536 addresses)
  • 24.27.0.0/17 (32 768 addresses)
  • 24.28.0.0/17 (32 768 addresses)
  • 24.153.128.0/17 (32 768 addresses)
  • 24.162.0.0/17 (32 768 addresses)
  • 24.167.0.0/17 (32 768 addresses)
  • 24.170.0.0/17 (32 768 addresses)
  • 24.175.0.0/17 (32 768 addresses)
  • 24.227.128.0/17 (32 768 addresses)
  • 47.3.128.0/17 (32 768 addresses)
  • 47.234.128.0/17 (32 768 addresses)
  • 65.85.128.0/17 (32 768 addresses)
  • 66.25.128.0/17 (32 768 addresses)
  • 67.79.0.0/17 (32 768 addresses)
  • 69.76.128.0/17 (32 768 addresses)
  • 70.94.0.0/17 (32 768 addresses)
  • 70.125.128.0/17 (32 768 addresses)
  • 71.40.0.0/17 (32 768 addresses)
  • 75.81.0.0/17 (32 768 addresses)
  • 75.87.0.0/17 (32 768 addresses)
  • 76.85.0.0/17 (32 768 addresses)
  • 76.92.128.0/17 (32 768 addresses)
  • 97.79.128.0/17 (32 768 addresses)
  • 150.221.128.0/17 (32 768 addresses)

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